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Cisco NX-OS FCoE Configuration Guide for Nexus 7000 and MDS 9500

OL-25809-02

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Содержание MDS 9500 Series

Страница 1: ...MDS 9500 First Published July 12 2011 Last Modified November 01 2012 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Text Part Number OL 25809 02 ...

Страница 2: ...ERS DISCLAIM ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARIS...

Страница 3: ... Information xii C H A P T E R 1 Overview 1 Information About Fibre Channel Over Ethernet 1 Fibre Channel Forwarder 1 Fibre Channel Bridge 2 C H A P T E R 2 FCoE 3 Information About FCoE 3 FCoE and FIP 3 FCoE Initiation Protocol 3 FIP Virtual Link Instantiation 4 FCoE Frame Format 4 VLAN Tagging for FCoE Frames 4 FIP Ethernet Frame Format 5 DCBX 5 Data Center Bridging Exchange Protocol 5 Lossless ...

Страница 4: ...sment Interval 17 Disabling LAN Traffic on an FCoE Link 18 Verifying the FCoE Configuration 19 Additional References for FCoE 20 C H A P T E R 3 Configuring FCoE VLANs and Virtual Interfaces 21 Information About Virtual Fibre Channel VFC Interfaces 21 VF Port 21 VE Port 22 Default Settings for FCoE 22 Licensing Requirements for FCoE 22 Guidelines and Limitations 23 Cisco Nexus 7000 Guidelines and ...

Страница 5: ...tions 39 Configuring FCoE VDCs 40 Creating a Dedicated Storage VDC 40 Cisco Nexus 7000 Licensing an FCoE Module 42 Allocating the FCoE VLAN Range 43 Allocating Shared Interfaces 44 Example Storage VDC Configuration 46 A P P E N D I X A Feature History by Platform 49 Cisco Nexus 7000 Supported Features 49 Cisco MDS 9500 Supported Features 49 A P P E N D I X B Guidelines and Limitations 51 Verified ...

Страница 6: ...Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 vi OL 25809 02 Contents ...

Страница 7: ...S devices Document Conventions Command descriptions use the following conventions Description Convention Bold text indicates the commands and keywords that you enter literally as shown bold Italic text indicates arguments for which the user supplies the values Italic Square brackets enclose an optional element keyword or argument x Square brackets enclosing keywords or arguments separated by a ver...

Страница 8: ...pply values are in italic screen font italic screen font Nonprinting characters such as passwords are in angle brackets Default responses to system prompts are in square brackets An exclamation point or a pound sign at the beginning of a line of code indicates a comment line This document uses the following conventions Means reader take note Notes contain helpful suggestions or references to mater...

Страница 9: ... all new and revised Cisco technical documentation at http www cisco com en US docs general whatsnew whatsnew html Subscribe to the What s New in Cisco Product Documentation as a Really Simple Syndication RSS feed and set content to be delivered directly to your desktop using a reader application The RSS feeds are a free service and Cisco currently supports RSS version 2 0 Cisco NX OS FCoE Configu...

Страница 10: ...Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 x OL 25809 02 Preface Obtaining Documentation and Submitting a Service Request ...

Страница 11: ...US products ps9670 products_installation_and_configuration_guides_list html To check for additional information about Cisco Nexus 7000 software see the Cisco Nexus 7000 Series NX OS Release Notes available at the following Cisco website http www cisco com en US products ps9670 prod_release_notes_list html Table 1 New and Changed Features Changed in Release Description Feature 6 1 2 FCoE support on...

Страница 12: ...l To check for additional information about Cisco MDS 9500 software see the Cisco MDS 9000 Series NX OS Release Notes available at the following Cisco website http www cisco com en US products ps9670 prod_release_notes_list html Table 2 New and Changed Features Where Documented Changed in Release Description Feature There are no changes since Release 5 2 1 This document 5 2 1 Initial FCoE support ...

Страница 13: ...itches provide two mechanisms to ensure lossless transport for FCoE traffic link level flow control and priority flow control IEEE 802 3x link level flow control allows a congested receiver to signal the far end to pause the data transmission for a short period of time The pause functionality is applied to all traffic on the link The priority flow control PFC feature on Cisco NX OS platforms appli...

Страница 14: ...rk to a Fibre Channel network A Fibre Channel Bridge decapsulates an FCoE frame and sends the Fibre Channel frame to the Fibre Channel network A Fibre Channel Bridge also encapsulates FC frames from a Fibre Channel network and forwards them to the FCoE network Cisco MDS 9500 switches support Fibre Channel Bridge functions The Cisco Nexus 7000 series switches do not offer native Fibre Channel ports...

Страница 15: ... Channel traffic Lossless behavior on Ethernet is provided by using a priority flow control PFC mechanism that prevents packet loss during congestion conditions Note The Cisco NX OS software supports T11 compliant FCoE on all 10 Gigabit Ethernet interfaces FCoE and FIP FCoE Initiation Protocol The FCoE Initialization Protocol FIP allows the switch to discover and initialize FCoE capable entities t...

Страница 16: ...alid FCoE Frame Format FCoE is implemented when the switch encapsulates a Fibre Channel frame in an Ethernet packet with a dedicated Ethernet type 0x8906 The packet has a 4 bit version field The other header fields in the frame the source and destination MAC addresses VLAN tags and frame markers are all standard Ethernet fields Reserved bits pad the FCoE frame to the IEEE 802 3 minimum packet leng...

Страница 17: ...nge Protocol The Data Center Bridging Exchange DCBX protocol is an extension of the Link Layer Discovery Protocol LLDP DCBX end points exchange request and acknowledgment messages For flexibility parameters are coded in a type length value TLV format Cisco NX OS switches support the Converged Enhanced Ethernet Data Center Bridging Exchange CEE DCBX is supported on all T11 compliant Generation 2 CN...

Страница 18: ...cal link because this action is disruptive to all traffic on the link The logical link up down feature allows the switch to reset an individual virtual link The logical link down is signaled with a FIP Clear Virtual Link message Caution If the CNA does not support the logical link level up down feature the CNA resets the physical link which means that all traffic on the Ethernet interface is disru...

Страница 19: ... Lite is enabled automatically by default across the entire device for FCoE VLANs as soon as the first FCoE VLAN comes up At the same time the system automatically converts all FCoE links as the STP type normal ports This feature runs only in FCoE VLANs Default Settings for FCoE This table lists the default settings for FCoE parameters Table 4 Default FCoE Parameter Settings Default Parameters Not...

Страница 20: ...e Do not enable any other features other than storage related features in the dedicated FCoE VDC Allocate resources for the dedicated FCoE VDC from an F Series module such as the 32 port 1 and 10 Gigabit Ethernet I O module PID N7K F132XP 15 Rollback is not supported in a storage VDC FCoE support on F2 and F2e Series modules SF248XP 25 requires Supervisor 2 module F2 and F2e series modules cannot ...

Страница 21: ...y where mgmt0_ip_address is the mgmt0 IPv4 address mgmt0_subnet_mask is the mgmt0 IPv4 netmask default_gateway is the IPv4 address of the default gateway For more information about VDC see the Cisco Nexus 7000 Series NX OS Virtual Device Context Configuration Guide Cisco MDS 9500 Guidelines and Limitations You cannot enable FCoE on the default VLAN You can only enable FCoE on an FCoE module The Qo...

Страница 22: ...E on VLAN 1 or the native VLAN SUMMARY STEPS 1 configure terminal 2 install feature set fcoe 3 feature lldp 4 Optional feature lacp 5 system qos 6 service policy type network qos policy name 7 Optional show feature 8 Optional copy running config startup config DETAILED STEPS Purpose Command or Action Enters configuration mode configure terminal Example switch configure terminal switch config Step ...

Страница 23: ...tch config sys qos service policy type network qos default nq 7e policy Step 6 Optional Displays information about the enabled features show feature Example switch config sys qos show feature Step 7 Optional Copies the running configuration to the startup configuration copy running config startup config Example switch config sys qos copy running config startup config Step 8 What to Do Next You mus...

Страница 24: ... Quality of Service QoS configuration mode system qos Example switch config system qos Step 3 Enables the QoS policy that supports FCoE traffic The policy name default is default nq 6e policy service policy type network qos policy name Example switch config sys qos service policy type network qos default nq 7e policy Step 4 Optional Displays information about the enabled features show feature Exam...

Страница 25: ...ep 1 Enters VDC configuration mode The vdc_id can be any case sensitive alphanumeric string up to 32 characters vdc vdc_id type storage Example switch config vdc fcoe type storage switch config vdc Step 2 Optional Disallows any FCoE in this VDC The default is allow no allow feature set fcoe Example switch config vdc no allow feature set fcoe switch config vdc Step 3 Disables the FCoE feature set T...

Страница 26: ...fig startup config Step 8 Cisco MDS 9500 Disabling FCoE After you disable the FCoE feature all FCoE commands are removed from the CLI and the FCoE configuration is deleted SUMMARY STEPS 1 configure terminal 2 no feature set fcoe DETAILED STEPS Purpose Command or Action Enters configuration mode configure terminal Example switch configure terminal switch config Step 1 Disables the FCoE feature set ...

Страница 27: ...SUMMARY STEPS 1 Cisco Nexus 7000 switchto vdc vdc id type storage 2 configure terminal 3 fcoe fcmap fabric map DETAILED STEPS Purpose Command or Action Switches to the storage VDC The step is required for Cisco Nexus 7000 Series only Cisco Nexus 7000 switchto vdc vdc id type storage Example switch switchto vdc fcoe type storage fcoe Step 1 Enters configuration mode configure terminal Example fcoe ...

Страница 28: ...tches to the storage VDC The step is required for Cisco Nexus 7000 Series only Cisco Nexus 7000 switchto vdc vdc id type storage Example switch switchto vdc fcoe type storage fcoe Step 1 Enters configuration mode configure terminal Example fcoe configure terminal fcoe config Step 2 Configures the global fabric priority The default value is 128 The range is from 0 higher to 255 lower Use the no fco...

Страница 29: ... to the storage VDC The step is required for Cisco Nexus 7000 Series only Cisco Nexus 7000 switchto vdc vdc id type storage Example switch switchto vdc fcoe type storage fcoe Step 1 Enters configuration mode configure terminal Example fcoe configure terminal fcoe config Step 2 Configures the advertisement interval for the fabric The default value is 8 seconds The range is from 4 to 60 seconds fcoe...

Страница 30: ...nal show interface 5 Optional copy running config startup config DETAILED STEPS Purpose Command or Action Enters configuration mode configure terminal Example switch configure terminal switch config Step 1 Specifies an interface to configure and enters interface configuration mode Use to view a list of supported interfaces interface ethernet slot port Example switch config interface e 2 1 switch c...

Страница 31: ...s show interface interface number fcoe This example shows how to verify that the FCoE capability is enabled switch show fcoe Global FCF details FCF MAC is 00 0d ec 6d 95 00 FC MAP is 0e fc 00 FCF Priority is 128 FKA Advertisement period for FCF is 8 seconds This example shows how to display the FCoE database switch show fcoe database INTERFACE FCID PORT NAME MAC ADDRESS vfc3 0x490100 21 00 00 1b 3...

Страница 32: ...Assistance Link Description http www cisco com support The Cisco Support website provides extensive online resources including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies To receive security and technical information about your products you can subscribe to various services such as the Product Alert Tool accessed from Field Notice...

Страница 33: ...on between the switch and the servers The Fibre Channel portion of FCoE is configured as a virtual Fibre Channel interface Logical Fibre Channel features such as interface mode can be configured on virtual Fibre Channel interfaces A virtual Fibre Channel vfc interface must be bound to an interface before it can be used The binding is to a physical Ethernet interface when the converged network adap...

Страница 34: ...talled disabled FCoE feature 0E FC 00 FC Map 128 Fabric priority 8 seconds Advertisement interval Licensing Requirements for FCoE License Product Each F Series module that runs FCoE requires an FCoE license FCoE enabled in a nondefault VDC does not require the Advanced Services License For a complete explanation of the Cisco NX OS licensing scheme and how to obtain and apply licenses see the Cisco...

Страница 35: ... Gigabit Ethernet I O module PID N7K F132XP 15 Rollback is not supported in a storage VDC FCoE support on F2 and F2e Series modules SF248XP 25 requires Supervisor 2 module F2 and F2e series modules cannot exist in the same VDC with any other module type This applies to both LAN and storage VDCs Shared Interfaces Any change in protocol state that flaps the parent port of a shared interface because ...

Страница 36: ...ateway For more information about VDC see the Cisco Nexus 7000 Series NX OS Virtual Device Context Configuration Guide Cisco MDS 9500 Guidelines and Limitations You cannot enable FCoE on the default VLAN You can only enable FCoE on an FCoE module The QoS policy must be the same on all Cisco FCoE switches in the network Cisco MDS 9500 does not support LAN traffic and only accepts and processes FCoE...

Страница 37: ...se for FCoE Ensure you have enabled FCoE For Cisco Nexus 7000 Series Switches ensure that you are in the storage VDC SUMMARY STEPS 1 configure terminal 2 vsan database 3 vsan vsan id 4 vlan vlan id 5 fcoe vsan vsan id 6 exit 7 Optional show vlan fcoe 8 Optional copy running config startup config DETAILED STEPS Purpose Command or Action Enters configuration mode configure terminal Example switch co...

Страница 38: ... configuration for a VLAN show vlan fcoe Example switch config vlan show vlan fcoe Step 7 Optional Copies the running configuration to the startup configuration copy running config startup config Example switch config vlan copy running config startup config Step 8 This example shows how to map VLAN 200 to VSAN 200 on a Cisco MDS 9500 Series Switch switch config vlan 200 switch config vlan fcoe vsa...

Страница 39: ...nterface The mode is E or F The default is F mode switchport mode mode Example switch configif switchport mode e Step 3 Binds the virtual Fibre Channel interface to the specified interface Use to see the supported interfaces and port channels bind interface ethernet slot port Example switch config if bind interface ethernet 1 4 Step 4 Use the no form of this command to unbind the virtual Fibre Cha...

Страница 40: ... Fibre Channel port channel interface SUMMARY STEPS 1 configure terminal 2 interface vfc port channel int number 3 switchport mode mode 4 Optional show interface vfc port channel int number 5 Optional copy running config startup config DETAILED STEPS Purpose Command or Action Enters configuration mode configure terminal Example switch configure terminal switch config Step 1 Creates a virtual Fibre...

Страница 41: ...nnel Interface to a VSAN You must configure unique dedicated VLAN at every converged access switch to carry traffic for each Virtual Fabric VSAN in the SAN for example VLAN 1002 for VSAN 1 VLAN 1003 for VSAN 2 and so on If you enable MST you must use a separate MST instance for FCoE VLANs Before You Begin For Cisco Nexus 7000 Series Switches ensure that you are in the storage VDC SUMMARY STEPS 1 c...

Страница 42: ... the virtual Fibre vsan vsan id interface vfc port channel vfc id Channel interface or virtual Fibre Channel port channel The vfc id range is from 1 to 8192 Us the no form of this command to dissassociate the connection between the VSAN and virtual Fibre Channel interface or virtual Fibre Channel port channel Example switch config vsan db vsan 2 interface vfc 4 Optional Displays information about ...

Страница 43: ...uired for Cisco Nexus 7000 Series only Cisco Nexus 7000 switchto vdc vdc id type storage Example switchto vdc fcoe type storage fcoe Step 1 Enters configuration mode configure terminal Example fcoe configure terminal fcoe config Step 2 Enables the VFID check for all VE ports fcoe veloopback Example fcoe config fcoe veloopback Step 3 This example shows how to enable VE loopback for a Cisco Nexus 70...

Страница 44: ...bytes sec 0 frames sec 1 minute output rate 0 bits sec 0 bytes sec 0 frames sec 0 frames input 0 bytes 0 discards 0 errors 0 frames output 0 bytes 0 discards 0 errors Interface last changed at Thu May 21 04 44 42 2009 This example shows how to display the status of all the interfaces on the switch some output has been removed for brevity switch show interface brief Interface Vsan Admin Admin Statu...

Страница 45: ...you are in the storage VDC 4 Associate the virtual Fibre Channel interface to the VSAN For Cisco Nexus 7000 ensure you are in the storage VDC 5 Optional Display membership information for the VSAN 6 Optional Display the interface information for the virtual Fibre Channel interface DETAILED STEPS Step 1 Enable the associated VLAN and map the VLAN to a VSAN For Cisco Nexus 7000 ensure you are in the...

Страница 46: ...ual Fibre Channel interface switch show interface vfc 4 vfc4 is up Bound interface is Ethernet1 4 Hardware is Virtual Fibre Channel Port WWN is 20 02 00 0d ec 6d 95 3f Port WWN is 20 02 00 0d ec 6d 95 3f snmp link state traps are enabled Port WWN is 20 02 00 0d ec 6d 95 3f APort WWN is 20 02 00 0d ec 6d 95 3f snmp link state traps are enabled Port mode is F FCID is 0x490100 Port vsan is 200 1 minu...

Страница 47: ...xtensive online resources including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies To receive security and technical information about your products you can subscribe to various services such as the Product Alert Tool accessed from Field Notices the Cisco Technical Services Newsletter and Really Simple Syndication RSS Feeds Access to...

Страница 48: ...Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 36 OL 25809 02 Configuring FCoE VLANs and Virtual Interfaces Additional References for FCoE ...

Страница 49: ...wing tasks Create a dedicated storage VDC Allocate a VLAN range for FCoE Optionally share physical ports between the storage VDC and one other VDC For shared physical ports the VDC where the ports are shared includes a VF Ethernet port that corresponds to the shared port You cannot modify some details of that port because it must match the underlying shared physical port If you move the source por...

Страница 50: ... OS Release 6 1 FCoE is supported on F2 and F2e Series modules FCoE supports only F2e SFP modules FCoE does not support F2e Copper modules FCoE VDC FCoE in a dedicated storage VDC has the following guidelines Enable the FCoE feature set in only one VDC Create VLANs in the FCoE allocated VLAN range Do not enable any other features other than storage related features in the dedicated FCoE VDC Alloca...

Страница 51: ...The following table shows how to configure mgmt 0 for a VDC and for a storage VDC Configuring mgmt 0 for storage VDC Configuring mgmt 0 for VDC interface mgmt 0 ip address mgmt0_ip_address mgmt0_subnet_mask no shut ip route 0 0 0 0 0 default_gateway The ip route command specifies the default route that points to the default gateway Note vrf context management ip route 0 0 0 0 0 default_gateway whe...

Страница 52: ...ning DMM SME or IOA Configuring FCoE VDCs Creating a Dedicated Storage VDC Before You Begin Ensure you have installed the correct license for FCoE SUMMARY STEPS 1 configure terminal 2 install feature set fcoe 3 system qos 4 service policy type network qos policy map name 5 vdc vdc name type storage 6 system default switchport 7 feature lldp 8 Optional feature lacp 9 Optional allocate interface eth...

Страница 53: ...Example switch config vdc system default switchport Step 6 Enables the LLDP feature in the storage VDC feature lldp Example switch config feature lldp Step 7 Optional Enables the LACP feature in the storage VDC feature lacp Example switch config feature lacp Step 8 Optional Allocates interfaces to the storage VDC as a dedicated FCoE port You must allocate all interfaces in the port allocate interf...

Страница 54: ...artup config DETAILED STEPS Purpose Command or Action Enters configuration mode configure terminal Example switch configure terminal swtich config Step 1 Associates an FCoE license to a module license fcoe module module number Example swtich config license fcoe module 2 Step 2 Optional Displays information about which FCoE modules are using FCoE licenses show license usage FCOE N7K F132XP Example ...

Страница 55: ...orage switch config vdc Step 2 feature set or enable it in the storage VDC because this process is handled automatically for a storage VDC Allocates the VLANs that can be used for FCoE and mapped to a VSAN You can optionally allocate the VLANs from another VDC allocate fcoe vlan range vlan range from vdcs vdc name Example switch config vdc allocate fcoe vlan range 10 30 Step 3 Optional Displays in...

Страница 56: ... storage VDC and one other VDC SUMMARY STEPS 1 configure terminal 2 interface if range 3 switchport mode trunk 4 spanning tree port type edge trunk 5 no shutdown 6 vdc vdc name type storage 7 allocate shared interface if range 8 Optional show vdc shared membership 9 Optional switchto vdc vdc name 10 configure terminal 11 feature lldp 12 interface if range 13 no shutdown 14 Optional show interface ...

Страница 57: ...mode vdc vdc name type storage Example switch config if vdc fcoe vdc type storage switch config vdc Step 6 Allocates interfaces that are shared with another VDC for FCoE traffic You must allocate the shared interfaces allocate shared interface if range Example switch config vdc allocate shared interface ethernet 2 1 Step 7 to one of the VDC included in the FCoE VLAN allocation You can only use the...

Страница 58: ...ng configuration to the startup configuration copy running config startup config Example switch fcoe vdc config if copy running config startup config Step 15 Example Storage VDC Configuration Shared Interfaces in the Storage VDC Enable associated features and interface to share switch configure terminal switch config feature lldp switch config feature lacp switch config system qos switch config sy...

Страница 59: ...vdc switchto vdc fcoe_vdc switch fcoe_vdc configure terminal switch fcoe_vdc config feature lldp switch fcoe_vdc config interface ethernet 2 1 switch fcoe_vdc config if no shutdown Ethernet 2 1 must be from an F series module Note Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 OL 25809 02 47 Storage VDC on Cisco Nexus 7000 Series Switches Example Storage VDC Configuration ...

Страница 60: ...Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 48 OL 25809 02 Storage VDC on Cisco Nexus 7000 Series Switches Example Storage VDC Configuration ...

Страница 61: ...Information Release Feature Supports the T11 compliant FIP 5 2 1 FIP This feature was introduced 5 2 1 FCoE Supports F2 Series modules 6 1 1 FCoE Supports F2e Series modules SFP only 6 1 1 FCoE Cisco MDS 9500 Supported Features Feature Information Release Feature Supports the T11 compliant FIP 5 2 1 FIP This feature was introduced 5 2 1 FCoE Cisco NX OS FCoE Configuration Guide for Nexus 7000 and ...

Страница 62: ...Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 50 OL 25809 02 Feature History by Platform Cisco MDS 9500 Supported Features ...

Страница 63: ...e Cisco Nexus 7000 Guidelines and Limitations You cannot enable FCoE on default VLAN The QoS policy must be the same on all Cisco FCoE switches in the network Beginning with Cisco NX OS Release 6 1 FCoE is supported on F2 and F2e Series modules FCoE supports only F2e SFP modules FCoE does not support F2e Copper modules FCoE VDC FCoE in a dedicated storage VDC has the following guidelines Enable th...

Страница 64: ...n associated QoS policy Shared Ethernet interfaces must be in trunk mode and only shared with one other VDC Storage VDC Configuring a VDC for the OOB management interface mgmt0 is accomplished with the vrf context management command However a storage VDC does not support VRF so configuring mgmt0 requires a different approach The following table shows how to configure mgmt 0 for a VDC and for a sto...

Страница 65: ...install a Supervisor 2A module to configure FCoE You can install an FCoE module in a fabric that uses FC Redirect services but do not install the FCoE module in the same switch where FC Redirect services application modules are enabled SME does not support any FCoE connected devices including devices connected through the MDS FCoE linecard DX X9708 K9 In Cisco MDS NX OS Release 5 2 x you cannot in...

Страница 66: ...Cisco NX OS FCoE Configuration Guide for Nexus 7000 and MDS 9500 54 OL 25809 02 Guidelines and Limitations Cisco MDS 9500 Guidelines and Limitations ...

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