Manuale d’uso / di manutenzione del prodotto DSC9148D8G48PK9 del fabbricante Cisco Systems
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iii Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x CONTENTS New and Changed Information xiii Preface xv Audience xv Organization xv Document Conventions xvi Rela.
Contents iv Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x TE Port 2-4 TF Port 2-4 TNP Port 2-5 SD Port 2-5 ST Port 2-5 Fx Port 2-5 B Port 2-5 Auto Mode 2-5 Interf.
Contents v Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x Configuring Interface Modes 2-22 Configuring System Default Port Mode F 2-23 Configuring ISL between Tw.
Contents vi Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Displaying Management Interface Config uration 2-55 Displaying VSAN Interface Information 2-55 CHAPTER 3.
Contents vii Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x Verifying Fibre Channel Interfaces Configuration 3-43 Displaying Interface Capabilities 3-44 Displayi.
Contents viii Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Configuring Performanc e Buffers 4-22 Configuring Extended BB_cre dits 4-23 Enabling Buffer-to-Bu ffer.
Contents ix Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x Interface Addition to a PortChannel 6-8 Forcing an Interface Addition 6-9 Interface Deletion from a Po.
Contents x Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Traffic Map 7-7 Disruptive 7-8 Multiple VSAN Support 7- 8 Guidelines and Limitations 7-8 NPV Guidelines a.
Contents xi Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x Enabling Port Tracking 9-3 Information Abou t Configuring Linke d Ports 9-3 Binding a Tracked Port Ope.
Contents xii Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x.
-xiii Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01 New and Changed Information As of Cisco MDS NX-OS Release 4.2(1), softw are configurat ion information is a vailable in ne.
-xiv Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01 FlexAt tach Disable Fle xAttach Added informat ion about disablin g FlexAtt ach.
-xv Cisco MDS 9000 Family I/O Accelerator Configu ration Guide OL-29284-01 Preface This preface describes the audience, organization, and con ventions of the Cisco MDS 900 0 F amily NX-OS Interfaces Conf iguration Guide . It also provides informati on on how to o btain related documentation.
-xvi Cisco MDS 9000 Family I/O Acce lerator Configuration Guide OL-29284-01 Document Conventions Command descriptions use these co n ventions: Screen examples use these con ventions: This document uses the f ollo wing con ventions: Note Means reader take note .
-xvii Cisco MDS 9000 Family I/O Accelerator Configu ration Guide OL-29284-01 Related Documentation The documentation set for t he Cisco MDS 9000 F amily includes the foll owing documents. T o find a document online, use the Cisco MD S NX-OS Documentation Locator at: http://www .
-xviii Cisco MDS 9000 Family I/O Acce lerator Configuration Guide OL-29284-01 • Cisco MDS 9000 F amily NX-OS Quality of Service Con figu ration Guide • Cisco MDS 9000 F amily NX-OS Security Conf i.
CH A P T E R 1-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 1 Interfaces Overview • T runks and PortChannels, page 1-1 • Fibre Channel Port Rate Limiting .
1-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 1 Inte rfaces Overview Extended Credits Extended Credits Full line-rate Fibre Channel ports pr ovide at least 25 5 buf fer credits standard. Adding credits lengthens distances for Fibre Channel SAN e xtension.
1-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 1 Interfaces Overview FlexAttach.
1-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 1 Inte rfaces Overview FlexAttach.
CH A P T E R 2-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 2 Configuring Interfaces • Information About Interf aces, page 2-1 • Prerequisites for Interfa.
2-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces • Port Group Moni tor , page 2-16 • Local Swi.
2-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces • The operational status represents the current status of a speci fied attrib ute like the interface sp eed.
2-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces TL Port In translati ve loop port (TL port) mode, an in terface functions as a t ranslati ve loop po rt.
2-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces TNP Port In trunking NP port ( TNP port) mode, an interfac e functions as a t runking e xpansion port.
2-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces port or NL port mode. If the interf ace is attached to a third-party switch, it operat es in E port mode.
2-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces Note Only some of the reason codes are listed in Ta b l e 2-4 .
2-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces Ta b l e 2-4 Reason Codes fo r Nonoperati onal States Reason Code (long version) Description Applicable Modes Link fail ure or not connected The physical laye r link is not op erational.
2-9 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces Graceful Shutdown Interfaces on a p ort are shut do wn by default (unless yo u modified t he initial conf iguration).
2-10 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces A graceful shut do wn is not po ssible in the following situatio ns: • If you physical ly remov e the port from the swi tch.
2-11 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces Y ou can set the frame format to EISL for al l frames tr ansmitted by the interface in SD po rt mode.
2-12 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces The bit errors can occur fo r the follo wing reasons: • Faulty or bad cable. • Faulty or b ad GBIC or SFP .
2-13 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces TL Ports Pri vat e loop de vices refer to leg acy de vices that reside on arbitrated loops.
2-14 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces Figure 2-3 sho w s e xamples of TL port translation support.
2-15 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces The port guard feature giv e s the S AN adminis trator the ability to pr ev ent this issue from occurring in en vironments that are vulnerable to these pro blems.
2-16 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Information About Interfaces Port Monitor Port Guard Port monitor port guard i s a feature that disables or shuts do wn a port when an ev ent occurs.
2-17 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Information Ab out Interfaces Slow Drain Device Detection and Congestion Avoidance All data traf fic between end de vices in a SAN fabric is carried b y Fibre Channel Class 3.
2-18 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Prerequisites for Interfaces VSAN Interfaces VSANs apply to Fibre Channel f abrics and enable you t o configur e multiple isolated SAN topo logies within the sa me physical in frastructure.
2-19 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Guidelines and Limitations • The auto mode is not allo wed in a 32-port sw.
2-20 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Default Settings Default Settings Ta b l e 2-7 lists the default settings for interface parameters.
2-21 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces • Config uring Management Interfaces, page 2-37 •.
2-22 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Setting the Interface Administrative State Detailed S.
2-23 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Configuring System Default Port Mode F The system def.
2-24 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Configuring ISL between Two Switches Note Ensure the FC cable is connected between the ports and do a no-shut on each port.
2-25 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Detailed Steps T o configure the interface mode, follo w these steps: Configuring Port Administrative Speeds Restrictions • Changing the port administrati ve speed is a d isrupti ve operation.
2-26 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Configuring Port Speed Group Detailed Steps T o confi.
2-27 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Specifying a Port Owner Using the port o wner feature, you can specify the ow ner of a port and the purpose for which a po rt is used so that the other ad ministrators are informed.
2-28 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Troubleshooting Tips • The flashing green light tu rns on automatically when an e xternal loopback is detected that causes the interfaces to be isolat ed.
2-29 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Detailed Steps T o configure swit ch port attrib utes, follo w these steps: Configuring TL Ports Pri vat e loops require setting the i nterface mode to TL.
2-30 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Configuring Port Guard Detailed Steps T o enable or d.
2-31 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Switch# show port internal info interface fc8/3 fc8/3.
2-32 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Configuring a Port Monitor Policy Detailed Steps T o configure a port mon itor polic y , follo w these steps: Command Purpose Step 1 switch# config t Enters configuration m ode.
2-33 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Step 10 switch(config-port-monitor)# counter link-los.
2-34 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Activating a Port Monitor Policy Detailed Steps T o a.
2-35 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces • Re verting to the Def ault Policy for a Specif ic.
2-36 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Reverting to the Default Policy for a Specific Counte.
2-37 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Port type : All Port Groups -------------------------.
2-38 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es T o configure the mgmt0 Ethernet interface to connect.
2-39 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Configuring Interfaces Configuring Congestion Frame Timeout Value The default cong estion frame timeout v alue is 500 milliseconds.
2-40 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Configuring Interfac es Note The no-credit timeout v alue and stuck frame timeout valu e are interlinked. Th e no-credit timeou t val ue must alw ays be greater than the stuck frame ti meout v alue.
2-41 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration LR RX Delta 60 5 4 1 4 Not enabled LR TX .
2-42 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration • Displaying Port Mo nitor Status and Po.
2-43 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration 0 CRC, 0 unknown class 0 too long, 0 too .
2-44 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration Receive B2B Credit is 12 Receive data fiel.
2-45 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration 2214834 frames input, 98673588 bytes 0 di.
2-46 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration .
2-47 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration 0 frames output, 0 bytes 0 class-2 frames.
2-48 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration Mbits/s Frames Mbits/s Frames ------------.
2-49 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration channel-group 11 force no shutdown Example 2-12 displays the running con figur ation informat ion for a specif ied interface.
2-50 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration Example 2-15 Displa ys Interf ace Infor ma.
2-51 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration In addition to these proxied de vices, other virtual de vices (local or remote domain control ler addresses) are also allocated ALP As on the loop.
2-52 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration switch# show port-monitor status Port Moni.
2-53 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration Oper status : Active Port type : All Acce.
2-54 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration switch# show port-group-monitor ----------.
2-55 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Configuring Interfac es Verifying Interfaces Configuration Displaying Management Interface Configuration T o display the management interface con figuration , use the show interface mgmt 0 command.
2-56 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 2 Config uring Interfaces Verifying Interfaces Configuration.
CH A P T E R 3-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 3 Configuring Fibre Channel Interfaces • Information Ab out Fibre Channel Inter faces, page 3-1 .
3-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces The Cisco MDS 9500 Series switch es, Cisco MDS 9222i, Cisco MDS 9216A, and Cisco MDS 9 216i switches support the Gen eration 2 modules.
3-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces Note Generation 2 F.
3-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces DS-X9232-256K9 32-port 8-Gbps Adv anced Fibre Channel switchin g module.
3-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces Port Rate Modes In Generation 2, Generation 3 , and Generation 4 mo dul es, you can conf igure the port rate modes.
3-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces Ta b l e 3-3 shows the mo dules that support dedicated, shared, and the default rate modes.
3-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces Dedicated Rate Mode.
3-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces Ta b l e 3-5 shows the ban dwidth provided b y the various port speed con figuration s on the 8-Gbps Fibre Channel switching mod ules.
3-9 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces All ports in 8-Gb ps Adva nced Fibre Channel switching modu les where bandwidth is shared support 1-Gbps, 2-Gbps, 4-Gbps, or 8 Gbps traf fic.
3-10 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces Port Speed The port .
3-11 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces Ports configured i.
3-12 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces All ports in the 48-.
3-13 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces fc8/1 16 4.
3-14 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces fc5/12 32 8.0 shared Port-Group 4 Total bandwidth is 32.4 Gbps Total shared bandwidth is 32.
3-15 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces fc5/31 32 8.
3-16 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Information About Fibre Channel Interfaces --------------------.
3-17 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Information About Fibre Chann el Interfaces fc13/43 32 8.0 shared fc13/44 32 8.0 shared fc13/45 32 8.0 shared fc13/46 32 8.
3-18 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Guidelines and Limitations When you are do wngrading to a release earlier than Cisco SAN-OS Release 3.1(2), all modules keep operating in the same bandwidth f airness configurat ion prio r to the downgrad e.
3-19 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Guidelines and Limitations Note When a Cisco or another v endo.
3-20 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Guidelines and Limitations Generation 1 switchi ng modules ha ve speci fic numberi ng requirements. If these requ irements are not met, the module does not po wer up.
3-21 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Guidelines and Limitations 13 68-ef-bd-a8-40-00 to 68-ef-bd-a8.
3-22 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Guidelines and Limitations • The maximum number of PortChannels allo wed is 256 if all switching modules are Generation 2 or Generation 3, or bo th.
3-23 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Guidelines and Limitations Ta b l e 3-1 1 P or tChannel Config.
3-24 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Guidelines and Limitations Use the show port-channel compatibil ity parameters command to obtain i nformation about PortChannel addition errors.
3-25 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Default Settings Default Settings Ta b l e 3-12 lists the defa ult settings for Ge neration 2 in terface parameters.
3-26 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Configuring Fibre Channel .
3-27 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces Note If you change the port bandwidth reserv ation parame ters on a 48-port or 24-port 4-Gbps module, the change affects only the chan ged port.
3-28 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Step 5 Config ure the traf fic speed (1 Gbps, 2 Gbps, 4 Gbps, or autosen sing with a maximum of 2 Gb ps or 4 Gbps) to use.
3-29 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces See the “Configuring Buffer -to-Buffer Credits” section on page 4-21 , and the “Conf iguring Extend ed BB_credi ts” section on pag e 4-23 .
3-30 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Use the show interface command to v erify the port speed conf iguration for an interface on a 4-Gbp s or 8-Gbps Fibre Channel swi tching module.
3-31 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces Displaying the Rate Mode.
3-32 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Total shared bandwidth is 12.
3-33 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces fc4/12 32 8.0 shared Port-Group 3 Total bandwidth is 12.8 Gbps Total shared bandwidth is 12.
3-34 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Total shared bandwidth is 12.
3-35 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces fc7/13 32 4.0 shared fc7/14 32 4.0 shared fc7/15 32 4.0 shared fc7/16 32 4.
3-36 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Configuring Local Switching Note W e recommend that you shut do wn all of the ports on the module before you ex ecute the local switching command.
3-37 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces Disabling Restrictions o.
3-38 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Port-Group 1 Total bandwidth is 12.8 Gbps Total shared bandwidth is 12.8 Gbps Allocated dedicated bandwidth is 0.
3-39 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces fc2/7 1 TE -- up swl -- -- fc2/8 1 FX -- down swl -- -- ... fc2/48 1 FX -- down sw1 -- -- Step 4 Disable restrictions on o versubscription ratios for the ports.
3-40 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Detailed Steps T o enable .
3-41 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuring Fibre Ch annel Interfaces Disabling Bandwidth Fair.
3-42 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuring Fibre Channel Interfaces Use the show port-resour ces module command to v erify the out-of- ser vice configuration for interfaces on a Generation 2 and Gener ation 3 switching module.
3-43 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Verifying Fibre Channel Interfaces Configuration Detailed Step.
3-44 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Verifying Fibre Channel In terfaces Configuration For detailed i nformation about the f ields in the output f rom these commands, refer to the Cisco MDS NX-OS Command Refer ence .
3-45 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuration Examples for Fibre Chann el Interfaces BB state .
3-46 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuration Examples for Fibre Channel Interf aces Configurat.
3-47 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuration Examples for Fibre Chann el Interfaces Step 1 Select interfaces fc 3/1.
3-48 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuration Examples for Fibre Channel Interf aces switch(config-if)# switchport rate-mode shared switch(config-if)# switchport mode f Step 6 Enable the interfaces and r eturn to confi guration mode.
3-49 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fibre Ch annel Interfaces Configuration Examples for Fibre Chann el Interfaces Step 7 Select the interfaces fc 4/7 through fc 4/10.
3-50 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 3 Configuring Fib re Channel Interfaces Configuration Examples for Fibre Channel Interf aces.
CH A P T E R 4-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 4 Configuring Interface Buffers • Information About Interf ace Buf fers, page 4-1 • Config uri.
4-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers • For Generatio n 2, Generation 3, and Ge nerat ion 4 switching mod ules, see the “Buf fe r Pools” section on page 4-2 .
4-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers Note The 48-port and 24-p ort 8-Gbps modules h av e dual global buffer pools .
4-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers Figure 4-3 sho w s the def ault BB_credit b uf fer allocation m odel for 24-port 8-Gbps switchi ng modules.
4-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers Figure 4-5 sho w s the def ault BB_credit b uf fer allocation m odel for 24-port 4-Gbps switchi ng modules.
4-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers When you conf igure port mode to aut.
4-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers • T wo ports with dedicated rate mode and 8-Gb ps sp eed plus four ports with shared rate mode and 8-Gbps speed (2:1 ov ersu bscription) .
4-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers • One port with dedicated rate mo .
4-9 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers • Three ports with dedicated r .
4-10 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers 48-Port 4-Gbps Fibre Channel Module BB_Credit Buffers Ta b l e 4-5 lists the BB_credit buf fer allocation for 48 -port 4-Gbps Fibre Chan nel switching modules.
4-11 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers Figur e 4-6 Example Speed and Ra.
4-12 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers 24-Port 4-Gbps Fibre Chan nel Module BB_C redit Buffers Ta b l e 4-6 lists the BB_credit buf fer allocation for 24 -port 4-Gbps Fibre Chan nel switching modules.
4-13 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers Figur e 4-8 Example Speed and Ra.
4-14 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers The follo wing considerations apply.
4-15 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers 4-Port 10-Gbps Switching Module BB_Credit Buffers Ta b l e 4-9 lists the BB_credit b uff er allocation for 4- port 10-Gbps switching mo dules.
4-16 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers BB_Credit Buffers for Fabric Switch.
4-17 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers Cisco MDS 9124 Fabric Switch BB_Credit Buffers Ta b l e 4-12 lists the BB_credit b uffer allocation for MDS 9124 Fabric Swi tches.
4-18 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers All ports on the Generation 2 and Generatio n 3 sw itching modules supp ort extended BB_credits.
4-19 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Information About Interface B uffers Note The receiv e BB_credit value for the remai ning three ports depends on the port mode.
4-20 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Information About Interface Buffers Buffer-to-Buffer Credit Recovery Although the Fibre Chann el standards require lo w bit e rror rates, bit errors do occur .
4-21 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Configuring Inte rface Buffers Note If you use distance e x tension (b uffer -to-buf fer credit spoofi ng) on ISLs between switches, the BB_SCN parameter on both sides of the ISL needs to be disab led.
4-22 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Configuring Interfac e Buffers This exampl e show s the output of the show int fc1/1 command: intfc1/1 is up .
4-23 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Configuring Inte rface Buffers Note Use the show interface bbcredit command to dis play performance b uffer va lues and other BB _credit inform ation.
4-24 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Configuring Interfac e Buffers Enabling Buffer-to-Buffer Credit Recovery Buf fer -to-buf fer credit reco very on ISLs (E or TE ports) is enab led by default.
4-25 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interfac e Buffers Verifying BB_Credit Configuration Verifying BB_Credit Configuration T.
4-26 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 4 Configuring Interface Buffers Verifying BB_Cred it Configuration Transmit B2B Credit is 0 Receive B2B.
CH A P T E R 5-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 5 Configuring Trunking • Information Ab out T runking, page 5-1 • Guidelines and Limit ations,.
5-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Information About Trun king Figur e 5-1 T r unking E Ports Note T runking is not sup ported by int ernal ports on both the Cisco F abric Switch for HP c_Class BladeSystem and the Cisco Fabric Switch for IBM BladeCenter .
5-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Information About Trunking Key Concepts The trunking feature i ncludes the foll.
5-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Information About Trun king By default, t he trunking protocol is enabl ed on E ports and disabled on F p orts. If the trunking protocol is disabled on a switch, no port o n that switch can apply ne w trunk confi gurations.
5-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Information About Trunking Ti p The preferred configur ation on the Cisco MDS 900 0 Family switches is o ne side of the trunk set to auto and the other side set to on.
5-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Information About Trun king Figur e 5-3 Def ault Allow ed-Acti ve VSAN Config uration Y ou can conf igure a select set of VSANs (from the al lowed-acti ve list) to control access to the VSANs specified in a trunking ISL.
5-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Guidelines and Limitations Figur e 5-4 Operational and Allowed VSAN Configurati.
5-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Guidelines and Limitations • No FC-SP authentication is supported by th e NPV switch on the serv er F ports. • MDS does not enforce the uni queness of logical pWWNs across VSANs.
5-9 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Guidelines and Limitations Port WWN is 20:4f:00:0d:ec:6d:2b:40 Peer port WWN is.
5-10 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Guidelines and Limitations Receive B2B Credit is 32 Receive data field Size is .
5-11 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Default Settings Default Settings Ta b l e 5-4 lists the default set tings for trunking param eters.
5-12 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Configuring Trunk ing Enabling the F Port Trunking and Channeling Protocol This section descri bes ho w to enable the F port tru nking and channeling pro tocol.
5-13 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Verifying Trunking Config uration Verifying Trunking Configuration T o display.
5-14 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Configuration Example for F Port Trunking 34 output OLS, 19 LRR, 17 NOS, 12 loo.
5-15 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring Trun king Configuration Example for F Port Tru nking Step 7 Set the port administrativ e.
5-16 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 5 Configuring T runking Configuration Example for F Port Trunking.
CH A P T E R 6-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 6 Configuring PortChannels • Information Ab out PortChannels, page 6-1 • Prerequisites for Por.
6-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Information About PortChannels PortChannels Overview PortChannels refer to t.
6-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Information About PortChannels • Provides h igh av ailability on an ISL. If on e l in k fa il s, traffic previously carried on this link is switched to th e re mai ni ng li nks .
6-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Information About PortChannels Figur e 6-3 P ortChanneling and T r unking PortChanneling and trun king are used separately across an ISL.
6-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Information About PortChannels Figur e 6-4 SID1 and DID1 -Ba sed Load Balancing Figure 6-5 illustrates ho w exchange-based load bala ncing wor ks.
6-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Information About PortChannels Figur e 6-5 SID1, DID1, and Exc han ge-Based .
6-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Information About PortChannels Ta b l e 6-1 compares ON and ACTIVE modes. PortChannel Deletion When you delete the PortChannel, the correspo nding channel membership is also deleted.
6-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Information About PortChannels • Forcing an In terface Addition, page 6-9 .
6-9 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Information About PortChannels Suspended and Isolated State s If the operat.
6-10 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Information About PortChannels The PortChannel protocol is enabled b y default. The PortChannel protocol expand s the PortChannel fu nctio nal model in Cisco MD S switches.
6-11 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Information About PortChannels The channel group numbers are select ed dyn.
6-12 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Prerequisites for PortChan nels • Newly created PortChannels ar e allocat.
6-13 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Guidelines and Limitations Note On switches with Generation 1 swi tching modules, or a comb ination of Gene ratio n 1 and Generation 2 switching modules, you can confi gure a maximum of 128 PortChannels.
6-14 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Guidelines and Limitations Generation 1 PortChannel Limitations This sectio.
6-15 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Guidelines and Limitations • The Dynamic Port VSAN Managem ent (DPVM) da tabase will be q ueried only for the f irst physical FLOGI of each member , so that the port VSAN can be configured automatically .
6-16 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Default Settings Figure 6-8 provi des examples of in vali d configu rations. Assuming that the links ar e brought up in the 1, 2, 3, 4 sequence, link s 3 and 4 will be operati onall y dow n as the fabric is misconf igured.
6-17 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Configuring PortChannels Configuring PortChannels This section includes th.
6-18 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Configuring PortChann els Deleting PortChannels Detailed Steps T o delete a.
6-19 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Configuring PortChannels Note By default, the CLI adds a interf ace normally to a PortChannel, while DC NM-SAN adds the interface by force, unless specif ied explicitly .
6-20 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Verifying PortChan nel Configur ation Enabling and Configuring Autocreation.
6-21 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Verifying PortChannel Co nfiguration For detailed i nformation about the f ields in the output f rom these commands, refer to the Cisco MDS NX-OS Command Refer ence .
6-22 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Verifying PortChan nel Configur ation fcip2 [down] port-channel 78 Administ.
6-23 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Verifying PortChannel Co nfiguration port-channel 77: 2 ports, first opera.
6-24 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Configuration Examples for F and TF PortChannels 1 ports in total, 1 ports .
6-25 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortChan nels Configuration Examples for F a nd TF PortChannels switch(config)# interfac.
6-26 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 6 Configuring PortCha nnels Configuration Examples for F and TF PortChannels switch(config-if)# switchp.
CH A P T E R 7-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 7 Configuring N Port Virtualization • Information About N Port V irtualization, page 7-1 • Gui.
7-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Information About N Port Virtualization • Cisco Fabric Switch for.
7-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Information About N Port Virtualization Figur e 7 -2 Cisco NPV Fabr ic Config uration While NPV is simil ar to N port identif ier virtuali zation (NPIV), it does not of fer exactly the same functionality .
7-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Information About N Port Virtualization NPV Mode A switch is in NPV mode after a user has enabled N PV and the switch has successfully rebooted.
7-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Information About N Port Virtualization NP Ports An NP port (proxy N po rt) is a port on a de vice that is in NPV mode and connected to the NPV cor e switch using an F port.
7-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Information About N Port Virtualization Figure 7-4 sho w s the internal FLOGI flow s between an NPV core switch and an NP V de vic e.
7-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Information About N Port Virtualization NPV CFS Distribution over IP NPV devices use only IP as the transpor t medium.
7-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Guidelines and Limitations Disruptive Disrupti ve load balance works independent of aut omati c selection of interfaces and a configured traff ic map of external i nterfaces.
7-9 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Guidelines and Limitations • NPV de vices can connect to multiple NPV core swit ches. In other words, di fferent NP ports can be connected to differen t NPV core switches.
7-10 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Configuring N Port Virtualization NPV and Port Security C onfiguration Guidelines Port security is enabled on the NPV core switch on a per interf ace basis.
7-11 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Configuring N Port Virtualization switch# copy running boot flash.
7-12 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Configuring N Port Virtualization Configuring NPV Traffic Management The NPV traf fic management feature is enabled after config uring NPV .
7-13 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Verifying NPV Config uration Enabling the Global Policy fo r Disruptive Load Balancing Disrupti ve load balancing allo ws you to re view the load on all the exte rnal interfaces and balance the load disrupti vely .
7-14 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Verifying NPV Configuration Verifying NPV T o view all the NP V devi ces in all the VSANs that the aggr egator swit ch belongs to, enter the show fcns database command.
7-15 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configur ing N Port Virtualization Verifying NPV Config uration switch# show npv flogi-table -------.
7-16 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 7 Configuring N Port Virtua lization Verifying NPV Configuration.
CH A P T E R 8-1 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x 8 Configuring FlexAttach Virtual pWWN • Information Ab out FlexAtt ach V irtual pWWN, page 8-1 .
8-2 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configurin g FlexAttach Virtual pWWN Information About Flex Attach Virtual pWWN • Replacement to the same port—A failed server can be replaced onto the same port without ch anging the SAN.
8-3 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configuring FlexAttac h Virtual pWWN Guidelines and Limitations Security Settings for FlexAttach Virtual pWWN Security settings for the Fle xAttach virtual pWWN f eature are done by port s ecurity at the NPV core.
8-4 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configurin g FlexAttach Virtual pWWN Configuring FlexAttach Virtual pWWN Troubleshooting Tips • When the interface-list v alue is not included in the command, virtual pWWN is assi gned globally .
8-5 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configuring FlexAttac h Virtual pWWN Verifying FlexAttach Virt ual pWWN Configuration Restrictions • The specified v irtual pWWN and the real pWWN must not be logged in.
8-6 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configurin g FlexAttach Virtual pWWN Monitoring FlexAttach Virtual pWWN Verifying the End Device T o verify that the end de vice is logged with the correct virtual WWN s, use the show fcns database command on the NPV core.
8-7 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configuring FlexAttac h Virtual pWWN Monitoring FlexAttach Virtual pWWN real port WWN and virtual WWN cannot be same This occurs w hen you try to conf igure FlexAtt ach with a similar v alue for pWWN and virtual pWWN.
8-8 Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide OL-29284-01, Release 6.x Chapter 8 Configurin g FlexAttach Virtual pWWN Monitoring FlexAttach Virtual pWWN.
CH A P T E R 9-1 Cisco MDS 9000 Family NX-OS Qualit y of Service Configuration Guide OL-29284-01 9 Configuring Port Tracking The port tracking feature i s unique to the Cisco MDS 9000 F amily of switch es. This feature uses information ab out the operational stat e of the link to initiate a f ailure in the link that connects the edge de vice.
9-2 Cisco MDS 9000 Family NX-OS Quality of Service Configuration Guide OL-29284-01 Chapter 9 Configur ing Port Tracking Guidelines and Limitations Figur e 9-1 T raf fic Recovery Using P ort T rac king The port tracking feature monitors and det ects failures that cause to pology changes and b rings do wn the links connecting the attached devices.
9-3 Cisco MDS 9000 Family NX-OS Qualit y of Service Configuration Guide OL-29284-01 Chapter 9 Configuring Port Tr acking Configuring Port Tracking Configuring Port Tracking Port tracking has the follo wing features: • The application brings th e linked port do wn when the tracke d port goes do wn.
9-4 Cisco MDS 9000 Family NX-OS Quality of Service Configuration Guide OL-29284-01 Chapter 9 Configur ing Port Tracking Configuring Port Trac king Binding a Tracked Port Operationally When you conf igure the f irst tracke d port, operationa l bi nding is automatically in ef fect.
9-5 Cisco MDS 9000 Family NX-OS Qualit y of Service Configuration Guide OL-29284-01 Chapter 9 Configuring Port Tr acking Configuring Port Tracking Tracking Multiple Ports Detailed Steps T o track mult.
9-6 Cisco MDS 9000 Family NX-OS Quality of Service Configuration Guide OL-29284-01 Chapter 9 Configur ing Port Tracking Displaying Port Tracking Informatio n Information AboutForceful Shutdown If a tracke d port flaps frequently , then tracking ports using th e operational binding feature may cause frequent topol ogy change.
9-7 Cisco MDS 9000 Family NX-OS Qualit y of Service Configuration Guide OL-29284-01 Chapter 9 Configuring Port Tr acking Displaying Port Tracking Information 269946 frames input, 22335204 bytes 0 disc.
9-8 Cisco MDS 9000 Family NX-OS Quality of Service Configuration Guide OL-29284-01 Chapter 9 Configur ing Port Tracking Example 9-4 Displ ays a F orced Shutdown Configuration switch# show interface fc.
IN-1 Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x INDEX Symbols * (asterisk) first operational port 6-20 Numerics 12-port 4-Gbps swi tching modules BB_credi t .
Index IN-2 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x auto port mode description 2-5 interface configuration 2-2 autosensing speed Generation 2 switchi ng mod.
Index IN-3 Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x PortChannel links 6-2 enhanced ISLs. See EISLs E port mode classes of service 2-3 description 2-3 E ports 32-port guidelines 2-18 32-port switching module configu ration guidelines 6-14 configuring 2-22 isolation 2-9 exchange link parameter.
Index IN-4 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x interface modes 2-5 See also F ports; FL ports 2-5 G Generation 1 switchi ng modules extended BB _credit.
Index IN-5 Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x N NL ports interface modes 2-6 nonparticipat ing codes description 2-9 NPIV description 7-2 enabling 7-10 NP links 7-5 N port identifier vi rtualization.
Index IN-6 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x port speed gr oup configuring 2-26 port speeds configuring 2-10, 2-25 configuring on Generat ion 2 switc.
Index IN-7 Cisco MDS 9000 Family NX-OS In terfaces Configurat ion Guide OL-29284-01, Release 6.x TL ports ALPA caches 2-14 configuring 2-22, 2-29 description 2-13 displayin g information 2-50 private devices 2-50 virtual devices 2-51 tracked po rts binding o perationa lly 9-4 translative loop port mode.
Index IN-8 Cisco MDS 9000 Family NX-OS In terfaces Configuration Guide OL-29284-01, Release 6.x.
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 DSC9148D8G48PK9 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 DSC9148D8G48PK9 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems DSC9148D8G48PK9 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems DSC9148D8G48PK9 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems DSC9148D8G48PK9, 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 DSC9148D8G48PK9.
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 DSC9148D8G48PK9. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems DSC9148D8G48PK9 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.
