Manuale d’uso / di manutenzione del prodotto 9000 del fabbricante Alcatel-Lucent
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Part No. 060216-10, Rev. E December 2007 OmniSwitch 6800 Series OmniSwitch 6850 Series OmniSwitch 9000 Series Advanced Routing Configuration Guide www.
ii OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 This user guide documents release 6.3.1 of th e OmniSwitch 6800 Series, OmniSwitch 6850 S e r i es, a n d Omni S w i tch 9 0 00 S e r i es. The f u n c t i o n a li t y d e scr i b e d in t h i s g u i d e is s ub j ect t o c h a n ge w i t h o u t n o t ic e .
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 iii Contents About This Guide ...................... .................... .................... ................... .................... ..... xi Supported Platforms ........
Contents iv OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Using Route Maps ........................... ........................ ................... .................... . 1-24 Configuring Route Map Re distribution .....
Contents OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 v Chapter 3 Configuring IS-IS ........... ................... .................... ................... .................... ............... 3-1 In This Chapter ....
Contents vi OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Route Dampening ................................... .... ................ ................... .................... ..... 4-17 CIDR Route Notation ............. .
Contents OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 vii Application Example ............................. ........ ........ ................... .................... ................. 4-60 AS 100 .................. ..
Contents viii OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Chapter 6 Configuring DVMRP .............. ............... .................... ................... .................... ........... 6-1 In This Chapter ......
Contents OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 ix Enabling PIM on the Switch .......... .................... ................... .................... ............. 7-18 Verifying the Software ...................
Contents x OmniSwitch 6 800/6850/9000 Ad vanced Routing Configura tion Guide December 2007 Configuring RP-Switc hover for IPv6 PIM ..................... ....................... ................. 7-41 Verifying RP-Switchover ...........................
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xi About This Guide This OmniSwitch 68 00/6850/9000 Advanced Routing Conf iguration Gu ide describes how to set up and monitor advanced routing protoc ols for operation i n a live network environment.
page -xii OmniSwitch 6800/6850 /9000 Ad vanced Routing Configuration Guide December 2007 Who Should Read this Manual? The audience for this user guide is network admi nistrators and IT suppor t personnel who need to config- ure, maintain, a nd monitor switches an d routers in a live network.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xiii How is the Information Or ganized? Chapters in thi s guide are broke n down by softwa re f eature. The ti tles of each ch apter i nclude protoco l or feature names (e.
page -xiv OmniSwitch 6800/6850 /9000 Ad vanced Routing Configuration Guide December 2007 Stage 2: Gaining Familiarity with Basic Switch Functions Pertinent Documentation: Hardware Use rs Guide Switch Management Guid e Once you have your switch up and running, you will wa nt to begin i nvestigating basic aspects of its hard- ware and software .
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xv Related Documentation The following are the titles and description s of all the related OmniSwit ch 6800/6850/90 .
page -xvi OmniSwitch 6800/6850 /9000 Ad vanced Routing Configuration Guide December 2007 • OmniSwitch 6800 /6850/9000 Advanced Routing Conf iguration Guid e Includes network configuration pro cedures and descri ptive i nformation o n all the soft ware features and protocols included i n the advanced routing soft ware package.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xvii User Manual CD All user guides are included on the User Ma nual CD t h at accompanied your switch. This CD also inc ludes user guides for other Alcatel-Lucen t data enterprise p roducts.
page -xviii OmniSwitch 6800/6850 /9000 Advanced Routing Configuration Guide December 2007.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-1 1 Configuring OSPF Open Shortest Path First rout ing (OSPF) is a shortest path first (SPF), or link state , protocol. OSPF is an interior gatewa y protocol (IG P) that distributes rout ing information betwee n routers in a single Autono- mous System (AS).
OSPF Specifications Configur ing OSPF page 1-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Specifications RFCs Supported 1370—Appli cability Stat ement for OSP.
Configuring OSPF OSPF Defaults Table OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-3 OSPF Defaults T able The following tabl e shows the default settin gs of the configurabl e OSPF parameters: Parameter Description Comma nd Default V alue/Comments Enables OSPF .
OSPF Quick Steps Configur ing OSPF page 1-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Quick Steps The followings steps are desi gned to show the user the necessary se t of commands for setti ng up a router to use OSPF: 1 Create a VLAN using th e vlan comman d.
Configuring OSPF OSPF Quick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-5 7 Create an OSPF interface for each VL AN created in Step 1, usi ng the ip ospf interface command. The OSPF interf ace should us e the same int erface name used for the VLA N router IP cr eated in Ste p 2.
OSPF Quick Steps Configur ing OSPF page 1-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 11 You can di splay OSPF area setting s using the show ip ospf area command. For example : 12 You can display OSPF inte rface settings using t he show ip ospf interface comman d.
Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-7 OSPF Over view Open Shortest Path First routing (OSP F) is a shortest path first (SPF), or link-st ate, protocol.
OSPF Overview Configur ing OSPF page 1-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Areas OSPF allows colle ctions of contiguous net wor ks and ho sts to be groupe d together as an area . Each area runs a separate co py of the basic link-sta te routing algorithm (usu ally called SPF).
Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-9 Classification of Routers When an AS is split into OSPF areas , the route rs are further divided acc ording to function into the foll ow- ing four overla pping catego ries: • Internal rout ers .
OSPF Overview Configur ing OSPF page 1-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Stub Areas OSPF allows certain areas to be configured as stub areas . A stub area is an area with routers th at have no AS external Link State Advert isements (LSAs).
Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-11 Not-So-Stubby-Areas NSSA, or not-so-stubby area, i s an extension to the base OSPF specification an d is defined in RFC 1587.
OSPF Overview Configur ing OSPF page 1-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Equal Cost Multi-Path (ECMP) Routing Using information from its continuously updated databa ses, OSPF calculates the shortest path to a given destination.
Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-13 Graceful Restar t on Stacks with Redundant Switches OmniSwitch 6800 and OmniSwitc.
OSPF Overview Configur ing OSPF page 1-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Graceful Restar t on Switches with Redundant CMMs OmniSwitch 9000 chassis with t.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-15 Configuring OSPF Configuring OS PF on a router requires several steps. Depending on y our requirements, you may not ne ed to perform all of the ste ps listed below.
Configuring OSPF Configur ing OSPF page 1-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Preparing the Network for OSPF OSPF operates on top of normal switch functions, using ex isting ports, v irtual ports, VLANs, etc.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-17 Removing OSPF from Memory To remove OSPF from the router memory, it is necessary to manual ly edit the boot.cfg file. The boot.cfg file is an ASCII text -based file that controls many of the switch p arameters.
Configuring OSPF Configur ing OSPF page 1-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Enabling and Disabling Summarization Summarization can also be enabled or disabled when creating an area.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-19 Configuring Stub Area Default Metrics The default metric co nfigures the type of c ost metr ic that a default area bord er router (ABR) will adv er- tise in the defaul t summary Link State Adverti sement (LSA).
Configuring OSPF Configur ing OSPF page 1-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ip ospf area 1.1.1.1 summary di sable -> ip ospf area 1.1.1.1 default-me tric 0 -> ip ospf interface vlan-5 -> ip ospf interface vlan-5 area 1 .
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-21 Activating an Interface Once the interface is create d and assigned to an are.
Configuring OSPF Configur ing OSPF page 1-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Modifying Inter face Parameters There are several in terface parameters that can be mo dified on a specified interface . Most of these deal with timer sett ings.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-23 Accepted ne twork design theo ry states that virtu al links are the op tion of last re sort. For more informa tion on virtual links, see “Virtual Links” on page 1-9 and refer to th e figure on page 1-9 .
Configuring OSPF Configur ing OSPF page 1-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 1 Create a ro ute map, as describ ed in “Using Route Maps” on page 1-24 . 2 Configure redistri bution to apply a route map, as described in “Configuring Route Map Red istribu- tion” on pa ge 1-28 .
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-25 To optionall y filter ro utes before redistributi on, use the ip route-map command with a match pa rameter to configure match crit eria for incoming routes.
Configuring OSPF Configur ing OSPF page 1-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Deleting a Route Map Use the no form of the ip route-map command t o delete an entire rou t e map, a route map sequence, or a specific statement w ithin a sequence.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-27 Sequence 10 and sequence 20 are bo th linked to route map rm_1 and are processed in ascendin g order according to their sequence number va lue.
Configuring OSPF Configur ing OSPF page 1-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Route Map Redistribution The ip redist command is use d to configure t he redistribution of routes from a source protocol into the destination protoc ol.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-29 Route Map Redistribution Example The following example configures the redistr.
Configuring OSPF Configur ing OSPF page 1-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Router Capabilities The following li st shows various commands tha t can be useful in tail oring a router’s performance c apabili- ties.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-31 Configuring Static Neighbors It is possible to co nfigure neighbors stat ically on Non B roadcast Multi Access (NB MA), point-to-point, and point-to -multipoint net works.
Configuring OSPF Configur ing OSPF page 1-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Redundant Switches in a Stack for Graceful Restar t By default, OSPF graceful restart is disabled.
Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-33 Configuring Redundant CMMs for Graceful Restar t By default, OSPF graceful restart is disabled.
OSPF Application Example Configur ing OSPF page 1-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Application Example This section will de monstrate how to set up a simple OSPF network. It uses three routers, each with an area.
Configuring OSPF OSPF Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-35 Step 1: Prepare the Routers The first step is to create the VL ANs on each router, add a n IP interface to the VLAN, assign a port to th e VLAN, and assign a router identifi cat ion number to the routers.
OSPF Application Example Configur ing OSPF page 1-36 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ip router router-id 2.2.2.2 These commands created VLANs 12, 23, and 20. • VLAN 12 handl es the backbone connection from Ro uter 1 to Router 2, using the IP route r port 12.
Configuring OSPF OSPF Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-37 The commands for this step are below : Router 1 -> ip ospf area 0.0.0.0 -> ip ospf area 0.0.0.1 These commands created area 0.
OSPF Application Example Configur ing OSPF page 1-38 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ip ospf interface vlan-20 -> ip ospf interface vlan-20 area 0.0.0.2 -> ip ospf interface vlan-20 statu s enable IP router port 12.
Configuring OSPF Verifying OSPF Configuration OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-39 V erifying OSPF Configuration To display info rmation about are as.
Verifying OSPF Configuration Configuring OSPF page 1-40 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-1 2 Configuring OSPFv3 Open Shortest Path First version 3 (OSPFv3) is an extension of OSPF version 2 that provides support for networks using the IPv6 pr otocol.
OSPFv3 Specifications Configuring OSPFv3 page 2-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPFv3 Specifications RFCs Supported RFC 1826—IP Authentica tion Heade.
Configuring OSPFv3 OSPFv3 Defaults Table OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-3 OSPFv3 Defaults T able The following tabl e shows the default settin gs of the configurabl e OSPFv3 parameters. Parameter Description Comma nd Default V alue/Comments Configures the OSP Fv3 administra- tive status.
OSPFv3 Quick Steps Configuring OSPFv3 page 2-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPFv3 Quick Steps The followings steps are desi gned to show the user the necessary se t of commands for setti ng up a router to use OSPFv3: 1 Create a VLAN using th e vlan comman d.
Configuring OSPFv3 OSPFv3 Qu ick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-5 9 You can no w display t he router OSPFv3 se ttings by usin g the show ipv6 ospf command. The output generated is simil ar to the followin g: 10 You can di splay OSPFv3 area setti ngs using the show ipv6 ospf area command.
OSPFv3 Quick Steps Configuring OSPFv3 page 2-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 11 You can di splay OSPFv3 interface settings using t he show ipv6 ospf interface command.
Configuring OSPFv3 OSPFv3 Qu ick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-7 12 You can view th e contents of the Li nk-State Datab ase (LDSB) using t he show ipv6 ospf lsdb command. This co mmand displays the topology informati on that is prov ided to/from neig hbors.
OSPFv3 Overview Configuring OSPFv3 page 2-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPFv3 Over view Open Shortest Path Fi rst version 3 (OSPFv3) ro uting is a shorte st path first (SPF), or link- state, protocol for IPv6 networks.
Configuring OSPFv3 OSPFv3 Ov erview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-9 OSPFv3 Areas OSPFv3 allows colle ctions of contig uous networ ks a nd hosts to be grou ped together a s an area . Each area runs a separate co py of the basic lin k-state routing algorithm (usually called SP F).
OSPFv3 Overview Configuring OSPFv3 page 2-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Classification of Routers When an AS is split into OSPFv3 areas, the routers are furt her divide d according to fun ction into t he following fo ur overlappin g categories: • Internal area router.
Configuring OSPFv3 OSPFv3 Ov erview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-11 Stub Areas OSPFv3 allows certain areas to be configured as stub areas . A stub area is an area with routers tha t have no AS external Link State A dvertisements (LSAs).
OSPFv3 Overview Configuring OSPFv3 page 2-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Equal Cost Multi-Path (ECMP) Routing Using information from its continuously updated databa ses, OSPFv3 calculates the shortest path to a given destination.
Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-13 Configuring OSPFv3 Configuring OS PFv3 on a router requires several st eps. Depending on your requirements, you may not need to perform all of the steps listed below.
Configuring OSPFv3 Configuring OSPFv3 page 2-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Preparing the Network for OSPFv3 OSPFv3 operates on top of normal switch functions, using ex isting ports, v irtual ports, VLANs, etc.
Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-15 Removing OSPFv3 from Memory To remove OSPFv3 from the router memory, it is necessary to manu ally edit the boot.cfg file. The boot.
Configuring OSPFv3 Configuring OSPFv3 page 2-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 The first example gives specifics abou t area 1.
Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-17 Modifying Interface Parameters There are several in terface parameters that can be mo dified on a specified interface . Most of these deal with timer sett ings.
Configuring OSPFv3 Configuring OSPFv3 page 2-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 2 Then use the ipv6 ospf virtual-link command on Ro uter A as shown: -> ipv6 ospf virtual-link area 0.0 .0.1 router 2.2.2.
Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-19 Using Route Maps A route map specifies th e criteria that are used to cont rol re distri bution of routes between protocols. Su ch criteria is defined b y configuring ro ute map statem ents.
Configuring OSPFv3 Configuring OSPFv3 page 2-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. Configuring match state ments is not require d.
Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-21 Configuring Route Map Sequences A route map may consist of one or more sequen ces of statem ents.
Configuring OSPFv3 Configuring OSPFv3 page 2-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Access Lists An IP access list provides a convenient way to add mu ltiple IPv4 or IPv6 addresses to a rout e map.
Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-23 To remove a route map redistribut ion configuration, u se the no form of the ipv6 redist command.
Configuring OSPFv3 Configuring OSPFv3 page 2-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Router Capabilities The following li st shows various commands tha t can be useful in tail oring a router’s performance c apabili- ties.
Configuring OSPFv3 OSPFv3 Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-25 OSPFv3 Application Example This section will demonst rate how to set up a simple OSPFv3 networ k. It uses three routers, each with an area.
OSPFv3 Application Example Configuring OSPFv3 page 2-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Step 1: Prepare the Routers The first step is to create the VL ANs on each router, add a n IP interface to the VLAN, assign a port to th e VLAN, and assign a router identifi cat ion number to the routers.
Configuring OSPFv3 OSPFv3 Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-27 -> vlan 20 -> ipv6 interface vlan-20 vlan 20 -> ipv6 address 2001:4::1/64 vlan- 20 -> vlan 20 port default 2/3-5 -> ipv6 router router-id 2.
OSPFv3 Application Example Configuring OSPFv3 page 2-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Step 3: Create the Areas and Backbone Now the areas should be created. In this case, we will cre ate an area for each router, a nd a backbone (area 0.
Configuring OSPFv3 OSPFv3 Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-29 IPv6 router interface vlan-12 was associ ated with O SPFv3 interface vl an-12, enab led, and assigned to the backbone.
Verifying OSPFv3 Configuration Configuring OSPFv3 page 2-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying OSPFv3 Configuration To display info rmation about .
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-1 3 Configuring IS-IS Intermediate System-t o-Intermediate System (IS-IS) is an International Organ i zation for St andardization (ISO) dynamic routing specification.
IS-IS Specifications Configuring IS-IS page 3-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Specifications RFCs Supported 1 142-OSI IS-IS Intra-domain Rou ting .
Configuring IS-IS IS-IS Defaults Table OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-3 IS-IS Defaults T able The following tabl e shows the default settin gs of the configurabl e IS-IS parameters.
IS-IS Defaults Table Configuring IS-IS page 3-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS level (per interface ) ip isis interf ace level- capability Level-1/.
Configuring IS-IS IS-IS Quick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-5 IS-IS Quick Steps The following steps are designed to show the user the necessary set of commands fo r setting up a router to use IS-IS: 1 Create a VLAN using th e vlan comman d.
IS-IS Quick Steps Configuring IS-IS page 3-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 L1 LSDB Overload : Disabled L2 LSDB Overload : Disabled L1 LSPs : 177 L2 LSPs.
Configuring IS-IS IS-IS Quick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-7 Auth Type : None Metric : 10 Hello Timer : 9 Hello Mult : 3 Priority : 64 Pas.
IS-IS Overview Configuring IS-IS page 3-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Over view IS-IS is an SPF or link state protocol. IS-IS is also an IGP that distributes ro uting information b etween routers in a single AS.
Configuring IS-IS IS-IS Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-9 Adjacencies control t he distribution of rout ing protocol packets. Routin g protocol packets are sent and received only on adja cencies.
IS-IS Overview Configuring IS-IS page 3-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Packet T ypes IS-IS transmits data i n little chunks k nown as packet s.
Configuring IS-IS IS-IS Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-11 An area’s topolo gy is visible o nly to the members o f that area. Routers insi de a given area do not know the detailed top ology outside t he area.
IS-IS Overview Configuring IS-IS page 3-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Graceful Restar t on Stacks with Redundant Switches OmniSwitch 6850 stacks wi th two or more switches support redu ndancy, where if t he primary switch fails or goes offline, the secondary switch is instantly not ified.
Configuring IS-IS IS-IS Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-13 If the restarting rou ter, Router X, is identified as th e Designated Router (D.
Configuring IS-IS Configuring IS-IS page 3-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring IS-IS Configuring IS-IS o n a router requires several steps. Depending on your requirement s, you may need to perform all the steps listed below.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-15 • Assign ports to the VLANs . The ph ysical ports partic ipating in the IS-IS netwo rk must be assigned to the created VLANs.
Configuring IS-IS Configuring IS-IS page 3-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating an IS-IS Area ID IS-IS allows a set of netw ork devices in an AS to be grou ped together in areas . Each area is ide ntified by an area ID .
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-17 The level capability can be configured globally on the router or on specific interfac es. By default, the router can operate at both levels.
Configuring IS-IS Configuring IS-IS page 3-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • When the router is globally configured to act at Level -1, the poten tial a djacency will also be Level-1.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-19 If the encrypt-key parameter is us ed to configure the password throug h the CLI, then its v alue should b e the same as the one that appear s in the configuration snap shot.
Configuring IS-IS Configuring IS-IS page 3-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 MD5 Authentication MD5 authentication can be used to protect the syst em from malici ous actions. MD5 authentication c an be used to encrypt informatio n se nt over the net work.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-21 To enable the auth entic ation of PSNP PDUs glob ally, enter the follo wing:.
Configuring IS-IS Configuring IS-IS page 3-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. Both the ip isis inte rface hello-auth-type and ip isi s interface lev.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-23 To set the LSP interv al to 120 second s, enter the followi ng: -> ip isi.
Configuring IS-IS Configuring IS-IS page 3-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Redistribution Using Route Maps It is possible to configu re the IS-IS protocol to advertise r outes learned from other routin g protocols (AS- external routes) into the IS-IS net wor k.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-25 Refer to the “IP Commands” chapter in the Om niSwitch C LI Reference G uide for more information about the ip route-map command parameters and usage guidelines.
Configuring IS-IS Configuring IS-IS page 3-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Deleting a Route Map Use the no form of the ip route-map command t o delete an entire rou t e map, a route map sequence, or a specific statement w ithin a sequence.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-27 a result, if there i s no match for the metric val ue in sequence 10, th e n the match interface statement in sequence 20 is processed.
Configuring IS-IS Configuring IS-IS page 3-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Route Map Redistribution The ip redist command is use d to configure t he redistribution of routes from a source protocol into the IS- IS destination protocol .
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-29 Route Map Redistribution Example The following exampl e config ures the redi.
Configuring IS-IS Configuring IS-IS page 3-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Router Capabilities The following ta ble lists va rious commands that can be useful in tailorin g a router’s performance capabili- ties.
Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-31 Configuring Redundant Switches in a Stack for Graceful Restar t By default, IS-IS graceful restart is disabled. When graceful rest art is enabled, the router can e ither be a helper or a restarting router .
IS-IS Application Example Configuring IS-IS page 3-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Application Example This section will de monstrate how to set up a simple IS -IS network. It uses two ro uters, each with an area.
Configuring IS-IS IS-IS Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-33 Router 2 -> vlan 5 name vlan-isis -> ip interface vlan-isis address 10.4.1.2 mask 255.0.0.0 vlan 5 -> vlan 5 port default 1/10 Step 2: Enable IS-IS The next step is to load and enable IS-IS on eac h router.
Verifying IS-IS Configuration Configuring IS-IS page 3-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Router 2 -> ip isis interface vlan-isis -> ip isis interfa.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-1 4 Configuring BGP The Border Gatew ay Protocol (BGP) is an ex terior routing p rotocol that gu arantees the loop-free exchange of routing i nformation betwe en autonomous sy stems.
Configuring BGP page 4-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • Configuring redi stribution using route maps. See “Configuri ng Redistributi on” on page 4 -53 . • Enabling IPv6 BGP Unicast. See “Enabling/Disabling IPv6 BGP Un icast” on page 4-68 .
Configuring BGP BGP Specifications OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-3 BGP Specifications RFCs Supported 4271–A Border Gatewa y Protocol 4 (BGP-4) .
Quick Steps for Using BGP Configuring BGP page 4-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Quick Steps for Using BGP 1 The BGP software is not loaded au tomatically when the ro uter is booted.
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-5 BGP Over view BGP (Border Gateway Protocol) is a protocol for exch anging routing i nformation betwe en gateway hosts in a network of auton omous systems.
BGP Overview Configuring BGP page 4-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 BGP is intended for use in networks with multiple auto nomous systems. It is not intended to be used as a LAN routing prot ocol, such as RIP or Op en Shortest Path Fi rst (OSPF).
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-7 Internal vs. External BGP Although BGP is an ex terior gateway protoc ol, it can still be used in side an AS as a pipe to exchange BGP updates.
BGP Overview Configuring BGP page 4-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Communities A community is a g roup of destinati ons that share so me common property. A community is not re stricted to one network or one autono mous system.
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-9 Route Refle ctors Route reflectors are useful if the internal BGP mesh becomes very large. A rout e reflector is a concentra- tion router for ot her BGP peers in the local network, a cting as a focal poi nt for internal BGP sessions.
BGP Overview Configuring BGP page 4-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 In the diagram abov e, Clients 1, 2 , and 3 peer wi th Reflector 1, and Clients 4, 5, an d 6 peer with Refle ctor 2. Reflector 1 an d 2 peer with each other.
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-11 BGP Confederations Confederations a re another way of dealing with larg e networks with ma ny BGP speakers.
BGP Overview Configuring BGP page 4-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Policies Routing policie s enable route classifi cation for import ing and exportin g routes. The goal of routing policies is to control traffic flow.
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-13 Regular Expressions Regular expressions ar e used to iden tify AS paths for purpos es of making routing decis ions. In this context, an AS path is a list of one or mor e unsigned 16-bit AS nu mbers, in the range 1 through 6553 5.
BGP Overview Configuring BGP page 4-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • It makes writing (and readin g) policies much easier. • It enables the router to begin using th e policies more quickly after startup.
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-15 Some examples of invalid reg ular expressions are shown in the following t able: Matches: 100 350 501 200 250 260 27 0 280 600 Doesn’t Match: 100 600 100 400 60 0 700 ^500 Meaning: Only routes consisting of a single AS, 50 0.
BGP Overview Configuring BGP page 4-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 The Route Selection Pr ocess Several metrics are used to make BGP routing decisi ons. These metrics include the rout e’s local prefer- ence, the AS Path, and t he Multi-Exit Discriminator (M E D).
Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-17 Route Dampening Route dampening is a mechanism for controlling rout e instability. If a route is enabled and disabled frequently, it can cause an ab undance of UPDATE and WITHDRAW N messages to ex pend speaker resources.
BGP Configuration Overview Configuring BGP page 4-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 BGP Configuration Over view The following ste ps and points summarize config uring BGP. Not all o f the following are nec essary.
Configuring BGP Starting BGP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-19 Star ting BGP Before BGP is operational o n your router you must load it to running memory and then administrati vely enable the protocol usi ng the ip load bgp and ip bgp status commands.
Setting Global BGP Parameters Configuring BGP page 4-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Setting Global BGP Parameters Many BGP parameters are a pplied on a router-w id e basis. These paramet ers are referred to as global BGP parameters.
Configuring BGP Setting Global BGP Parameters OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-21 Setting the Router AS Number The router takes a single Au tonomous System (AS) num ber. You can assign one and only one AS number to a router using th e ip bgp autonomous-system command.
Setting Global BGP Parameters Configuring BGP page 4-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Enabling AS Path Comparison The AS path is a route attribute t hat shows the sequ ence of ASs through which a route has traveled.
Configuring BGP Setting Global BGP Parameters OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-23 Controlling the use of MED V alues The Multi Exi t Discriminator, or M ED, is used by bo rder routers (i.
Setting Global BGP Parameters Configuring BGP page 4-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Synchr onizing BGP and IGP Routes The default behavior of BGP requ ires that it must be synchronized wi th the IGP before BGP may adver- tise transit route s to external ASs.
Configuring BGP Setting Global BGP Parameters OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-25 Displaying Global BGP Parameters The following li st shows the com.
Configuring a BGP Peer Configuring BGP page 4-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring a BGP Peer BGP supports two types of peers, or neighbor s: internal and exter nal. Internal sessions are run between BGP speakers in the same autonomous system (AS).
Configuring BGP Config uring a BGP Pee r OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-27 Note. BGP peers are not dy namically learned. BGP peers must be explicitly configured on the ro uter using the ip bgp neighbor command.
Configuring a BGP Peer Configuring BGP page 4-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating a Peer 1 Create the peer and assign it an address usin g the ip bgp neighbor command. For exa mple to create a peer with an address of 190.
Configuring BGP Config uring a BGP Pee r OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-29 5 After entering all command s to configure a peer yo u ne ed to administrati vely en able the peer. The peer will not be gin advertising rou tes until you enable it .
Configuring a BGP Peer Configuring BGP page 4-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Changing the Local Router Add ress for a Peer Session By default, TCP con nections to a peer 's address are assigned to the clos e st interface based on reachability.
Configuring BGP Config uring a BGP Pee r OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-31 Setting Peer Authentication You can set which MD5 authentication key this router wil l use when contacting a peer.
Configuring Aggregate Routes Configuring BGP page 4-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Aggregate Routes Aggregate routes are u sed to red uce .
Configuring BGP Configuring Local Routes (Networks) OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-33 Configuring Local Routes (Networks) A local BGP network i s used to indi cate to BGP that a network should or iginate from a specified router.
Configuring Local Routes (Networks) Configuring BGP page 4-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Network Parameters Once a local ne twork is added to a spea ker, you can co nfigure three parameters that are attache d to routes generated by the ip bgp network comma nd.
Configuring BGP Configuring Local Routes (Networks) OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-35 Viewing Network Settings To view the net work settings for a.
Controlling Route Flapping Throug h Route Dampening Configuring BGP page 4-36 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Contr olling Route Flapping Thr ough Route Dampening Route dampening minimizes th e effect of flapping rout es in a BGP netwo rk.
Configuring BGP Controlling Route Flapping Through Route Dampening OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-37 Enabling Route Dampening Route dampening is disabled by default. Route dampening mu st be enabled before it effects routes.
Controlling Route Flapping Throug h Route Dampening Configuring BGP page 4-38 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Setting the Reuse V alue The dampening reuse value is used to determine if a ro ute should be re-advertised.
Configuring BGP Controlling Route Flapping Through Route Dampening OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-39 Clearing the History By clearing the dampening hi story, you are resetti ng all of the dampening infor mation on all of the ro utes back to zero, as if dampening had just been ac tivated.
Setting Up Route Reflection Configuring BGP page 4-40 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Setting Up Route Reflection BGP requires that all speakers in an autonomous system be fully meshe d (i.
Configuring BGP Setting Up Route Reflection OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-41 This same config uration using a rou te reflector would not require that all BGP speakers be fu lly meshed. One of the speake rs is configured to be a route reflecto r for the grou p.
Setting Up Route Reflection Configuring BGP page 4-42 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 When a route reflector receives a route it, selects the b est path based on its policy decisio n criteria. The internal peers to which the route re flector advertises depends on the s ource of the route.
Configuring BGP Working with Communities OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-43 W orking with Communities Distribution of rout ing information i n BGP is typically based on IP addr ess prefixes or on the value of th e AS_PATH attributes.
Creating a Confederation Configuring BGP page 4-44 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating a Confederation A confederation i s a grouping of ASs that toget her form a su per AS. To B GP ex ternal peers, a confedera- tion appears as another AS even th ou gh the confederation h as multiple ASs within it.
Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-45 Routing Policies BGP selects routes for subsequent advert isement by ap plying policies available in a pre-conf igured local Policy Informati on database.
Routing Policies Configuring BGP page 4-46 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 2 Next, use the ip bgp policy aspath-list action command to set the policy action. Th e action of a policy is whether t he route filtere d by the pol icy is permitted o r denied.
Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-47 Creating a Prefix List Policy Prefix policies filter routes based on netw ork addre sses and their masks. You can also set prefix upper and lower limits to fi lter a range of netwo rk addresses.
Routing Policies Configuring BGP page 4-48 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 2 Set the poli cy action u sing the ip bgp policy route-map action command. The poli cy action either permits or denies route s that match the filter.
Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-49 For exampl e, to add AS pa th polic y aspathfilter and community list p olicy .
Routing Policies Configuring BGP page 4-50 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Assigning a Policy to a Peer Once policies have been created using the command s describe d above, th e policies can be applied to routes learn ed from a specifi c peer, or rout e advertis ements to a speci fic peer.
Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-51 Assigning In and Out Bound Community List Policies to a Peer Community list po licies filter ro utes based on matches ma de to a list of communities of whic h the route is a member.
Routing Policies Configuring BGP page 4-52 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Reconfiguring Peer Policies You can configure policies and assign these policies to a BGP pe er, either to control in-bound route s or out-bound rout es advertisement.
Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-53 Configuring Redistribution It is possible to configu re the BGP protocol to advertise ro utes learned from other routing pro tocols (exter- nal routes) into the BGP network.
Configuring Redistribution Configuring BGP page 4-54 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating a Route Map When a route map is created, it is gi ven a name (up to 20 characters), a sequen ce number, and an action (permit or deny ).
Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-55 Deleting a Route Map Use the no form of the ip route-map command t o delete an entire rou t e map, a route map sequence, or a specific statement w ithin a sequence.
Configuring Redistribution Configuring BGP page 4-56 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Sequence 10 and sequence 20 are bo th linked to route map rm_1 and are processed in ascendin g order according to their sequence number v alue.
Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-57 Configuring Route Map Redistribution The ip redist command is use d to configure t he redistribution of routes from a source protocol into the BGP destination protoc ol.
Configuring Redistribution Configuring BGP page 4-58 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Route Map Redistribution Example The following example configures t h.
Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-59 Configuring Redundant CMMs for Graceful Restar t On OmniSwitch devices in a redundant CMM configurat ion, during a CMM takeover/fai lover, inter- domain routing is disrupted.
Application Example Configuring BGP page 4-60 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Application Example The following simp le network using EBGP and IBGP will d.
Configuring BGP Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-61 Administrativel y enable BGP: -> ip bgp status enable BGP Speaker 2 Assig.
Application Example Configuring BGP page 4-62 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Peer with th e external speake r in AS 100 (for exte rnal BGP): -> ip bgp neighbor 40.0.0.1 -> ip bgp neighbor 40.0.0.1 remote -as 100 -> ip bgp neighbor 40.
Configuring BGP Displaying BGP Settings and Statistics OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-63 Displaying BGP Settings and Statistics Use the show comma.
BGP for IPv6 Overview Configuring BGP page 4-64 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 BGP for IPv6 Over view IP version 6 (IPv6) is a new versio n of the Int ernet Protocol, design ed as the successo r to IP version 4 (IPv4), to overcome certain limitati on s in IPv4.
Configuring BGP BGP for IPv6 Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-65 • IPv6 route aggregation. • Policy-based ro ute processing for IPv6 prefixes an d peers. • Routemap, prefix-list, community -list, and aspa th-list policies.
Quick Steps for Using BGP for IPv6 Configuring BGP page 4-66 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Quick Steps for Using BGP for IPv6 The following ste ps create an IPv4 BGP pe er capable of exchangi ng IPv6 prefixes: 1 The BGP software is not loaded au tomatically when the ro uter is booted.
Configuring BGP Quick Steps for Using BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-67 The following ste ps create an IPv6 BGP peer ca pable of exch.
Configuring BGP for IPv6 Configuring BGP page 4-68 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring BGP for IPv6 This section describes the BGP for IPv6 config.
Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-69 Configuring an IPv4 BGP Peer to Exchange IPv6 Prefixes A BGP peer that is identified by it s IPv4 address can be used to exchan ge IPv6 prefixes.
Configuring BGP for IPv6 Configuring BGP page 4-70 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring an IPv6 BGP Peer Using Link-Local IPv6 Addresses to Exchang.
Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-71 Changing the Local Router Addr ess for an IPv6 Peer Session By default, TCP con nections to an IPv 6 peer's addre ss are a ssigned to the closes t interface based on reach- ability.
Configuring BGP for IPv6 Configuring BGP page 4-72 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Optional IPv6 BGP Peer Parameters Peer Parameter Command Default V alue/ Comments The interval, in seconds, betwee n BGP retries to set up a connection vi a the transport prot ocol with another peer .
Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-73 Configuring IPv6 BGP Networks A local IPv6 BGP ne twork is used to indicate to BGP t hat a network sh ould originate from a specified router.
Configuring BGP for IPv6 Configuring BGP page 4-74 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Local Preference Local preference is an attribute that specifies the degr ee of preference to be give n to a specifi c route when there are multiple routes to the same destination.
Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-75 Viewing Network Settings To view the net work settings for all IPv6 ne .
Configuring IPv6 Redistribution Configuring BGP page 4-76 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring IPv6 Redistribution It is possible to le arn and advert ise IPv6 routes be tween different rou ting protocol s.
Configuring BGP Configuring IPv6 Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-77 Use the show ipv6 redist command to verify the redistribu tion c.
IPv6 BGP Application Example C onfiguring BGP page 4-78 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IPv6 BGP Application Example The following simp le network using E.
Configuring BGP IPv6 BGP Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-79 -> ipv6 interface Link_To_Speaker3 vlan 3 -> ipv6 address 200.
IPv6 BGP Application Example C onfiguring BGP page 4-80 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Peer with th e external speake r in AS 300 us ing IPv4 address: -> ip interface Link_To_AS300 vlan 4 -> ip interface Link_To_AS300 addr ess 30.
Configuring BGP IPv6 BGP Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-81 Peer with the exte rnal speaker in AS 100 using it s IPv4 address and an IPv6 forwarding inte rface (for IPv6 traffic) : -> ip interface Link_To_AS100 vlan 2 -> ip interface Link_To_AS100 addr ess 20.
Displaying IPv6 BGP Settings and Statistics Configuring BGP page 4-82 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Displaying IPv6 BGP Settings and Statistics Use the .
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-1 5 Configuring Multicast Address Boundaries Multicast bound aries confine scop ed multicast add resses to a particu lar domain.
Multicast Boundary Specifications Co nfiguring Multicast Address Boundaries page 5-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Multicast Boundar y Specifications Note.
Configuring Multicast Address Boundaries Quick St eps for Configuring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-3 3 Configure a multic ast address bound ary on the IP interface.
Multicast Address Boundaries Overview Configuring Multicast Address Boundaries page 5-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Multicast Address Boundaries Over .
Configuring Multicast Address Boundaries Multicast Address Boundaries Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-5 Multicast Address Boundaries Without multicast address boundaries, mult icast traf fic conflicts can occur be tween domains.
Multicast Address Boundaries Overview Configuring Multicast Address Boundaries page 5-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Concurrent Multicast Addresses Bec.
Configuring Multicast Address Boundaries Configuring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-7 Configuring Multicast Address B.
Verifying the Multicast Address Boundary Config uration Configuring Multicast Address Boundaries page 5-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying the M.
Configuring Multicast Address Bounda ries Application Example for Config uring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-9 4 You are now ready to creat e a boundary on the core switch’s rout er interface.
Application Example for Configurin g Multicast Address Boundaries Conf iguring Multicast Address Boundaries page 5-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 7 Create an IP in terface on VLAN 3. For example: -> ip interface vlan-3 address 178 .
Configuring Multicast Address Bounda ries Application Example for Config uring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-11 The figure below illu strates all configur ed multicast add ress boundaries for this network.
Application Example for Configurin g Multicast Address Boundaries Conf iguring Multicast Address Boundaries page 5-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-1 6 Configuring DVMRP This chapter inclu des descriptio ns for Distance Vector Multicast Rout ing Protocol (DVMRP). DVMRP is a dense-mode multicast routing prot ocol.
DVMRP Specifications Configuring DVMR P page 6-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 DVMRP Specifications DVMRP Defaults The following ta ble lists the defa u.
Configuring DVMRP Quick Steps for Configuring DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-3 Quick Steps for Configuring DVMRP Note.
Quick Steps for Configuring DVMRP Configuring DVMRP page 6-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. Optional .
Configuring DVMRP DVMRP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-5 DVMRP Over view Distance Vector Mult icast Routing Protocol (DVMRP) Version 3 is a mu lticast routing pr otocol that enables routers to efficientl y propagate IP multicast tra ffic through a network.
DVMRP Overview Configur ing DVMRP page 6-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Neighbor Discover y DVMRP routers must maintain a database of DVMR P adjacencies with other DV MRP routers. A DVMRP router must b e aware of it s DVMRP neig hbors on ea ch interface.
Configuring DVMRP DVMRP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-7 Multicast Source Location, Rout e Repor t Messages, and Metrics When an IP multicast packet is received by a router runni ng DVMRP, it first looks up th e source network in the DVMRP routin g table.
DVMRP Overview Configur ing DVMRP page 6-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Pruning Multicast T raffic Delivery Initially , all in terfaces w ith down stre.
Configuring DVMRP DVMRP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-9 DVMRP T unnels Because not all IP rou ters support native mu lticast routing, DVM RP includes direct sup port for tunnelin g IP multicast packet s through routers.
Configuring DVMRP Co nfiguring D VMRP page 6-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring DVMRP Before configuring DVMRP, consider the fo llowing: • The advanced routing image must be present i n the switch’s curre nt running directo ry (i.
Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 11 Enabling DVMRP on a Specific Inter face Note. It does not matter wheth er DVMRP is first enabled glo bally or on specific in terfaces.
Configuring DVMRP Co nfiguring D VMRP page 6-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Viewing DVMRP Status and Para meters for a Spec ific Inter face To view current DVMRP in terfaces, including the ir operational status and a ssigned metrics, use the show ip dvmrp interfa ce command.
Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 13 Automatic Loading and Enabling of DVMRP Followin g a System Boot If any DVMRP command is sav ed to the boot.cfg file in the post -boot runnin g directory, DVMRP will be loaded into memo ry automatically.
Configuring DVMRP Co nfiguring D VMRP page 6-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Routes In DVMRP, source net work routing information is exch anged in the same basic mann er as it is in RIP. That is to say, periodic Route Re port messages are sent between DVMRP neighbors (by default, every 6 0 seconds).
Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 15 Pruning DVMRP uses a flood-and-prune mechanis m that starts by deliveri ng multicast traffic t o all routers in the network. This means that, initially, traffic is flooded down a multicast delive ry tree.
Configuring DVMRP Co nfiguring D VMRP page 6-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 As an example, let’s say that the followi ng situation exist s on a branch rout er: ip dvmrp prune-lifet ime is set to 7200 seconds and three prunes for the pruned group ex ist on the router’s timer queue.
Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 17 Grafting A pruned branch will be automa tically reattached to th e multicast deliv ery tree wh en the prune times out.
Verifying the DVMRP Configuration Configuring DVMRP page 6-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying the DVMRP Configuration A summary of th e show co.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-1 7 Configuring PIM Protocol-Independent M ulticast (PIM) is an IP mult ic ast routing protocol that uses routing info rmation provided by unicast routing pr otocols such as RIP and OSPF.
In This Chapter Configuring PIM page 7-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • Configuring Ca ndidate Rendezv ous Points (C-R Ps) in IPv6 PIM—see pa ge 7-38 . • Configuring Candidate Bootstrap Route rs (C-BSRs) in IPv6 PIM—see page 7-39 .
Configuring PIM PIM Specifications OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-3 PIM Specifications RFCs Supported 2362—Protocol Indep endent Multicast-Spars.
PIM Defaults Configuring PIM page 7-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 PIM Defaults The following ta ble lists the de faults for PIM configu ration: Parame.
Configuring PIM PIM Defaults OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-5 Neighbor loss notificati on interval ip pim neighbor-loss-notification- period 0 sec.
Quick Steps for Configuring PIM-DM Configuring PIM page 7-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Quick Steps for Configuring PIM-DM Note .
Configuring PIM Quick Steps for Configuring PIM-DM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-7 6 Save your changes to the Working direct ory’s boot.cfg file by entering the fo llowing comman d: -> write memory Note.
PIM Overvi ew Configuring PIM page 7-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 PIM Over view Protocol-Independent M ulticast (PIM) is an IP mult ic ast routing protocol that uses routing info rmation provided by unicast routing pr otocols such as RIP and OSPF .
Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-9 Bootstrap Routers (BSRs) The role of a Bootstrap Router (BSR) is to keep routers in the network u p to date on reachable C-RPs. The BSR’s list of reachable C-RPs is also referred to as an RP set .
PIM Overvi ew Configuring PIM page 7-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. The Join message is known as a (*,G) join because it jo ins group G for all sources to that grou p. Note. Depending on the network configuration, mult iple routers may exist between the receiver’s DR and the RP router.
Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 11 Sender 1 sends multicast data to its Designate d Router (DR). The source DR th en unicast-en capsulates the data into PIM- SM Register message s and sends them on to the RP.
PIM Overvi ew Configuring PIM page 7-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 A voiding Register Encapsulation Switching to a Shortest Path Tree (SPT) topology al lows PIM routers to av oid Register encapsulation of data packets that occurs in an RPT.
Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 13 RP Initiation of (S, G) Source-Specific Join Message When the data rate at the Rendezvous Point (RP) exc eeds the configured RP thre shold value, the RP will initiate a (S, G) source-specific Join message toward the source.
PIM Overvi ew Configuring PIM page 7-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 When the Sender’s DR receives t he (S,G) Join, it se nds data nativel y as well. When these data packets arrive natively at the RP, the R P will be receiving two copies of each of these packets—one natively and one encapsulated.
Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 15 SPT Switchover The last hop Desi gnated Router (DR) in itiates the swi tchover to a true Sho rtest Path Tree (SPT) once the DR receives the first multicast data pac ket.
PIM Overvi ew Configuring PIM page 7-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Once the Sender’s DR receives the (S,G) Join messag e, the DR send s the multicas t packets na tively along the Shortest Path T ree.
Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 17 The Receiver is n ow receiving multica st traffic along the Sh ortest Path Tree betwee n the Receiver a nd the Source.
Configuring PIM Configuring PIM page 7-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring PIM Enabling PIM on the Switch By default, PIM protocol is disabl ed on a swit ch.
Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 19 Note. The output on OmniSwitch 9000 switches i s similar. Loading PIM into Memor y You must load PIM in to memory before you can begi n configurin g the protocol on the swi tch.
Configuring PIM Configuring PIM page 7-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Checking the Current IPMS Status To view the current status of IPMS o n the switch, use th e show ip multicast command.
Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 21 Viewing PIM Status and Param eters for a Specific Inter face To view the curren.
Configuring PIM Configuring PIM page 7-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> show ip pim sparse Status = enabl ed, Keepalive Period = 210, Max RPs = 32.
Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 23 You can also spe cify whether o r not this static configuration ove rrides the dyn amically learned group mapping informatio n for the specified gro up using the override parameter.
Configuring PIM Configuring PIM page 7-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 PIM Bootstrap and RP Discover y Before configurin g PIM-SM parameters, please consider the following important guidelin es.
Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 25 The group add ress is listed as 224.0. 0.0. The class D group mask (255.2 55.255.255) has been translated into the Classless Inter-Domain Rou ting (CIDR) prefix leng th of /4.
Configuring PIM Configuring PIM page 7-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 This command specifies the router to use its l ocal address 50.
Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 27 Note. The list of reachable C-RPs is also referred to as a n RP set . To view the current RP set, use the show ip pim group-map command.
Configuring PIM Configuring PIM page 7-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Group Address/Pref Length RP Add ress Mode Override Precedence Status ---------------------------+------ -------+-----+--------+----------+------- - 224.
Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 29 RP Switchover = enabl ed, SPT Status = ena bled, You can al so use th e show ip pim dense , show ipv6 pim sparse , and show ipv6 pim dense commands to view the configured keepalive period.
Configuring PIM Configuring PIM page 7-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Msgs Rcvd = 0 Origin = None Group = None RP = None Invalid Join Prune Notificati.
Configuring PIM PIM-SSM Support OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 31 PIM-SSM Suppor t Protocol-Independent M ulticast Source -Sp ecific Multicast (PIM-SSM ) is a highly-e fficient extension o f PIM.
Verifying PIM Configuration Configuring PIM page 7-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying PIM Configuration A summary of the show commands u sed fo.
Configuring PIM PIM for IPv6 Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 33 PIM for IPv6 Over view IP version 6 (IPv6) is a new versio n of the Interne t Protocol, designed as the successor to IP version 4 (IPv4), to overcome certain limitati on s in IPv4.
Quick Steps for Configuring IPv6 PIM-DM Configuring PIM page 7-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. The IPv6 interface on whic h the PI M is enabled m.
Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 35 Configuring IPv6 PIM This section describ es PIM for IPv6 configuration, w.
Configuring IPv6 PIM Configuring PIM page 7-36 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ipv6 pim dense status enable Disabling IPv6 PIM Mode on the Switch To globally disable IPv6 PIM-Sp arse Mode on the switc h, use the ipv6 pim sparse status command.
Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 37 value obsoletes the override option, you can use either the priority or override parameter only. By default, the priority option is not set, and the override option is set to false.
Configuring IPv6 PIM Configuring PIM page 7-38 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IPv6 PIM Bootstrap and RP Discover y Before configurin g IPv6 PIM-SM parameters , pleas e consider the followin g important guidelines.
Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 39 -> show ipv6 pim candidate-rp RP Address Group Address Priority Interval Status ------------------+--------------- +---------+---------+-------- 3000::11 FF00::/8 192 60 enabled The group addr ess is listed as FF 00::/8.
Configuring IPv6 PIM Configuring PIM page 7-40 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 disabled . For more information on static RP status and configuration, refer to “Configuring Static RP Groups” below. A C-RP periodically sends out messages, known as C-RP advert isements .
Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 41 Note. If static RP status is specifie d, the method for g roup-to-RP mappin g provided by the Bootstrap mechanism an d C-RP advert isements is automatically disabled .
IPv6 PIM-SSM Support Configuring PIM page 7-42 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying RP-Switchover To view the stat us of the RP-switchover c apability, use the show ipv6 pim sparse command.
Configuring PIM Verifying IP v6 PIM Configuration OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 43 V erifying IPv6 PIM Configuration A summary of the show comma.
Verifying IPv6 PIM Configuration Configuring PIM page 7-44 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -1 A Software License and Copyright Statements This appendix co ntains Alcatel-Luc ent and third-pa rty software vendo r license and cop yright statements. Alcatel-Lucent License Agreement ALCA TEL-LUCENT SOF TW ARE LICENSE AGREEMENT IMPORTANT .
Alcatel-Lucent License Agreement page -2 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 3. Confidentiality. Alcatel-Lucent considers the Licensed Files to contain valuable trade secrets of Alca- tel-Lucent, the un authorized disclo sure of which co uld cause irreparable harm to Alcatel-Lucent .
Alcatel-Lucent License Agreement OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -3 10. Governing Law. This License Agreement shall be constr ued and governed in accordance with the laws of the Sta te of Califo rnia.
Third Party Licenses and Notices page -4 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 Third Par ty Licenses and Notices The licenses and notices related only to su ch third party software are set forth below: A.
Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -5 C. Linux Linux is wri tten and distribut ed under the G NU General Public License which me ans that its source code is freely- distrib uted and ava ilable to the gener al public.
Third Party Licenses and Notices page -6 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 verbatim or with mod ifications and/or tra nslated into an other languag e. (Hereinafter, translatio n is included wi thout limitation in the term “modifi cation”.
Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -7 b Accompany it wi th a written offe r, valid for at lea st three years, to giv e .
Third Party Licenses and Notices page -8 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 consistent application of that system; it is up to the aut hor/donor to de cide if he or sh e is willing to d istrib- ute software throug h any other syste m an d a licensee cannot impose that choi ce.
Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -9 Appendix: How to Apply These T erms to Y our New Programs If you develop a new pr.
Third Party Licenses and Notices page -10 Omni Switch 6800/6850/900 0 Advanced Routing Configuration Guide December 2007 Material copyright Li nux Online Inc.
Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -11 H. Apptitude, Inc. Provided with th is product is certain network monitori ng software (“MeterWorks/RM ON”) licensed from Apptitude, Inc.
Third Party Licenses and Notices page -12 Omni Switch 6800/6850/900 0 Advanced Routing Configuration Guide December 2007 L. Wind River Systems, Inc. Provided with th is product is certain software (“ Run-Time Module”) licensed from Wi nd River Systems, Inc.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 Index-1 Index A aggregate routes BGP 4-32 application exa mples BGP 4-4, 4-60 BGP IPv6 4-66 DVMRP 6-3 IS-IS 3-5, 3-32 mult.
page -2 OmniSwitch 6800/6850/9000 Ad vanced Routing Configu ration Guide December 2007 enabling 6-10 graft acknowledgment messages 6-8 graft messages 6-8 grafting 6-8, 6-17 hop count 6-7 IGMP 6-5 inte.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -3 ip ospf area command 1-17, 2-15, 3-16 ip ospf area summary command 1-18 ip ospf area type comman d 1-17, 2-15 ip o.
page -4 OmniSwitch 6800/6850/9000 Ad vanced Routing Configu ration Guide December 2007 NBMA routing 1-12 overview 1-7, 2-8 preparing the network 1-16, 2-14 redistribution policies 1-23 routers 1-9, 2-.
OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -5 show ip ospf area stub command 1-18, 2-16 show ip ospf interface command 1-20, 2-16 show ip pim group-map command .
page -6 OmniSwitch 6800/6850/9000 Ad vanced Routing Configu ration Guide December 2007.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Alcatel-Lucent 9000 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Alcatel-Lucent 9000 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Alcatel-Lucent 9000 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Alcatel-Lucent 9000 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Alcatel-Lucent 9000, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Alcatel-Lucent 9000.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Alcatel-Lucent 9000. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Alcatel-Lucent 9000 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
