Manuale d’uso / di manutenzione del prodotto BC-23 del fabbricante Cisco Systems
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BC-23 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Configuring Transparent Bridging The Cisco IOS softw are bridging fu nctionality combines the adv antages of a sp anning-tree bridg e and a full multiprotocol router .
Configuring Transparent Bridg ing Technology Overview BC-24 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Transparent Bridging Features Cisco’ s transparent bridging softw are implementation has the fol lowing featu res: • Complies with the IEEE 802.
Configuring Transparen t Bridging Technology Overview BC-25 Cisco IOS Bridging and IBM Networking Con figuration Guide Integr ated routing and bridging mak es it possible to route a specif ic protocol between routed int erfaces and bridge groups, or route a specific pro tocol between bridge groups.
Configuring Transparent Bridg ing Technology Overview BC-26 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Figur e 8 Brid ge-Gr oup Virt ual Interf ace in the Router The bridge-group virtu.
Configuring Transparen t Bridging Technology Overview BC-27 Cisco IOS Bridging and IBM Networking Con figuration Guide FDDI-bridged interface. But for I nternet Packet Exchange (I PX), Novel l-ether e.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-28 Cisco IOS Bridging and IBM Ne tworking Configuration Guide bridged netwo rk. T o tie in ex isting bridge s, you must use sour ce-route translational bridging (SR/TLB) instead.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-29 Cisco IOS Bridging and IBM Networking Con figuration Guide Configuring Transparent Bridging and SRT Bridgi.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-30 Cisco IOS Bridging and IBM Ne tworking Configuration Guide The purpose of placi ng network interf aces into a bridge group is tw ofold: • T o bridge all nonrouted traf fic among t he network interfaces maki ng up the bridge group.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-31 Cisco IOS Bridging and IBM Networking Con figuration Guide The primary application of transpar ently bridg.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-32 Cisco IOS Bridging and IBM Ne tworking Configuration Guide T o conf igure a VLAN on a transparently bridg .
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-33 Cisco IOS Bridging and IBM Networking Con figuration Guide forwarding decision and only switch the traff ic to local interfaces configured as belonging to the same VLAN broadcast domain.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-34 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Configuring a Subscriber Bridge Group The Digit.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-35 Cisco IOS Bridging and IBM Networking Con figuration Guide Support for RFC 1483 was added i n Cisco IOS Release 12.0(3)T , enabling transparent bridgin g between T oken Ring LA Ns (using AAL5-SN AP PVCs) and LANs, VLANs or ELANS (using bridged P DUs).
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-36 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Determining Access for Bridging Y ou can determine access b y either permitting all brid ge packets or b y controlling access according to Ethernet type codes.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-37 Cisco IOS Bridging and IBM Networking Con figuration Guide Bridging in a Frame Relay Network with No Multi.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-38 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Configuring Transparent Bridging over SMDS W e support fast-swit ched transparent bridging for Switched Multime gabit Data Service (SMDS) encapsulate d serial and H SSI networks.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-39 Cisco IOS Bridging and IBM Networking Con figuration Guide Configuring Concurrent Routing and Bridging Y o.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-40 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Assigning a Bridge Group Number and Defining t .
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-41 Cisco IOS Bridging and IBM Networking Con figuration Guide When you enable routing for a gi ven protocol o.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-42 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Note When a bridge group contains T oken Ring interfaces, the T oken Ring packets must not include RIF .
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-43 Cisco IOS Bridging and IBM Networking Con figuration Guide All interfaces in the bridge gro up that are bridging IP should ha ve the same IP address. Ho we ver , if you hav e more than one bridge group, each bridge group should ha ve its own I P address.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-44 Cisco IOS Bridging and IBM Ne tworking Configuration Guide T o reduce the amount of bandwidt h that LA T traf fic co nsumes on serial interfaces, yo u can specify a LA T -specific form of compression.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-45 Cisco IOS Bridging and IBM Networking Con figuration Guide Preventing the Forwarding of Dy namically Determined Stations Normally , the system forwards any frames for stat i ons that it has learned about dynamically .
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-46 Cisco IOS Bridging and IBM Ne tworking Configuration Guide • Setting Filters at th e MA C Layer , page 4.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-47 Cisco IOS Bridging and IBM Networking Con figuration Guide Filtering by Specific MAC Address Y ou can filter frames with a particular MA C-layer stat ion source or destinatio n address.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-48 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Filtering by Protocol Type Y ou can f ilter by prot ocol type by using the acces s- list mechanism and specifying a protocol type code.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-49 Cisco IOS Bridging and IBM Networking Con figuration Guide T o filter t hese packets on input or outp ut, use either or both of the follow ing commands in interface config uration mode: Y ou can filter IEEE 802-encapsulated packets on input.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-50 Cisco IOS Bridging and IBM Ne tworking Configuration Guide After an access list is created initially , any subsequent additions (possibly enter ed from the terminal) are placed at the end of the list.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-51 Cisco IOS Bridging and IBM Networking Con figuration Guide Filtering LAT Service Announcements The bridging software al lows you to f ilter LA T frames.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-52 Cisco IOS Bridging and IBM Ne tworking Configuration Guide T o specify deny or permit conditions for LA T .
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-53 Cisco IOS Bridging and IBM Networking Con figuration Guide Note Only network administ rators with a good understanding of how br idges and the Spanning-T ree Protocol work should mak e adjustments to spanning-tree parameters.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-54 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Note Each bridge i n a spanni ng tree adop ts t.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-55 Cisco IOS Bridging and IBM Networking Con figuration Guide Configuring Transparent and IRB Bridging on a P.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-56 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Note If you plan to use a P A-12E/2FE interface.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-57 Cisco IOS Bridging and IBM Networking Con figuration Guide T o enable integ rated routing and bridg ing on.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Task List BC-58 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Configuring Bridge Groups Using th e 12E/2FE VL.
Configuring Transparen t Bridging Transparent and SRT Bridging Con figuration Task List BC-59 Cisco IOS Bridging and IBM Networking Con figuration Guide Figure 1 1 Example Home P age f or a Cisco 7200.
Configuring Transparent Bridg ing Tuning the Transpar ently Bridged Network BC-60 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Note The VLAN Conf iguration W ebT ool hypertext li nk is listed in the router’ s home page only when a P A-12E/2FE port adapte r is installed in the router .
Configuring Transparen t Bridging Tuning the Transparently Bridged Network BC-61 Cisco IOS Bridging and IBM Networking Con figuration Guide T o define a ci rcuit group, use the follo wing command in i.
Configuring Transparent Bridg ing Monitoring and Maintaining th e Transparen t Bridge Network BC-62 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Monitoring and Maintaining th e Transparent Bridge Network This section describes how to mo nitor and m aintain ac tivity on the brid ged network.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-63 Cisco IOS Bridging and IBM Networking Con figuration Guide • Integr ated Routing and Bridging with Mu l.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-64 Cisco IOS Bridging and IBM Ne tworking Configuration Guide The configuration f ile for the rout er in Figure 12 is as follows: interface tokenring 0 ip address 131.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-65 Cisco IOS Bridging and IBM Networking Con figuration Guide ! bridge crb bridge 1 protocol ieee bridge 1 r.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-66 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Complex Integrated Routing and Bridging Example .
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-67 Cisco IOS Bridging and IBM Networking Con figuration Guide Integrated Routing and Bridging with Multiple .
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-68 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Router One bridge 18 protocol ieee interface ethernet 0/1 bridge-group 18 ! interface ethernet 0/2 bridge-group 18 ! interface ethernet 0/3 bridge-group 18 ! interface fddi 4/0.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-69 Cisco IOS Bridging and IBM Networking Con figuration Guide ! bridge 8 protocol ieee interface ethernet 1/.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-70 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Routing between VLANs Configuration Example The follo wing example sho ws the configuration for the top ology sho wn in Figure 10.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-71 Cisco IOS Bridging and IBM Networking Con figuration Guide If the other side of the FDDI ring w ere an FD.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-72 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Router/Bridge in Building 2 The confi guration fi le for the router in Building 2 i s similar to Building 1: decnet address 3.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-73 Cisco IOS Bridging and IBM Networking Con figuration Guide Configuration for the New York City Router interface tokenring 0 ip address 150.136.1.1 255.255.255.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-74 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Howe ver , the follo wing conf iguration might work initial ly but wi ll ev entually fail.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-75 Cisco IOS Bridging and IBM Networking Con figuration Guide Configuration for Bridge 3 interface serial 0 .
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-76 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Configuration for Bridge 3 interface serial 0 en.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-77 Cisco IOS Bridging and IBM Networking Con figuration Guide encapsulation lapb multi bridge-group 1 ! brid.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-78 Cisco IOS Bridging and IBM Ne tworking Configuration Guide bridge-group 1 pulse-time 1 ! access-list 200 pe.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-79 Cisco IOS Bridging and IBM Networking Con figuration Guide Figur e 21 Br idged Subnet w or ks with Domains For pro per bridging operat ion, the bridged subnetw orks cannot hav e connections between them , but the y can be connected to the same backbone .
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-80 Cisco IOS Bridging and IBM Ne tworking Configuration Guide Note T o get spanning-tree information b y bridge grou p, use the show span command. Included in this in formation is the r oot bridge of t he spanning tree.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-81 Cisco IOS Bridging and IBM Networking Con figuration Guide Configuration for Router B Router B demonstrates a simp le bridge confi guratio n. It is co nnected to the FDDI backbon e and has domain 2 defi ned.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-82 Cisco IOS Bridging and IBM Ne tworking Configuration Guide interface serial 2 bridge-group 5 bridge-group 5.
Configuring Transparen t Bridging Transparent and SRT Brid gi ng Configuration Examp les BC-83 Cisco IOS Bridging and IBM Networking Con figuration Guide int atm0 int atm0.1 point-to-point # # Use AAL5 SNAP encapsulation # atm pvc 1 0 101 aal5snap bridge-group 1 int atm0.
Configuring Transparent Bridg ing Transparent and SRT Bridging Config uration Examples BC-84 Cisco IOS Bridging and IBM Ne tworking Configuration Guide %LINEPROTO-5-UPDOWN: Line protocol on Interface .
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 Cisco Systems BC-23 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 Cisco Systems BC-23 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems BC-23 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems BC-23 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems BC-23, 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 Cisco Systems BC-23.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Systems BC-23. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems BC-23 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.
