Cisco N5K-C5010P-BF Troubleshooting Guide - Page 76
Server on downstream NPV edge switch does not login to the fabric, Solution, Possible Cause
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Chapter 5 Troubleshooting SAN Switching Issues NPV Send document comments to [email protected]. This may be normal and a direct result of the default SID/DID load balancing that is done before the Nexus 5000 4.2(1)N1 release. Solution If the upstream switch is an MDS switch that is running 4.1(3) code or above, and it is a NPV F_Port Trunking capable switch, the preferred configuration would be to run the F_Port Trunking Port Channeling feature. Example (NPIV core): pod3-9222i(config)# feature npiv pod3-9222i(config)# feature fport-channel-trunk pod3-9222i(config)# interface port-channel 1 pod3-9222i(config-if)# switchport mode f pod3-9222i(config-if)# switchport trunk mode on pod3-9222i(config-if)# channel mode active pod3-9222i(config-if)# interface fc2/13, fc2/19 pod3-9222i(config-if)# switchport mode f pod3-9222i(config-if)# switchport rate-mode dedicated pod3-9222i(config-if)# switchport trunk mode on pod3-9222i(config-if)# channel-group 1 force In this example, fc2/13 and fc2/19 are added to port channel 100 and are disabled. Do the same operation on the switch at the other end of the port channel, then do no shutdown at both ends to bring them up. Example: pod3-9222i(config-if)# no shut Example (NPV Edge): pod7-5020-51(config)# interface san-port-channel 1 pod7-5020-51(config-if)# switchport mode np pod7-5020-51(config-if)# switchport trunk mode on pod7-5020-51(config-if)# interface fc2/1-2 pod7-5020-51(config-if)# switchport mode np pod7-5020-51(config-if)# switchport trunk mode on pod7-5020-51(config-if)# channel-group 1 In this example, fc2/1 and fc2/2 are added to port channel 1 and are disabled. Do the same operation on the switch at the other end of the port channel, then do no shutdown at both ends to bring them up Example: pod7-5020-51(config-if)# no shut Server on downstream NPV edge switch does not login to the fabric The server connected to the downstream NPV edge switch does not log in to the fabric. Possible Cause The server on the downstream NPV edge switch does not log in to the fabric, and/or you see a "waiting for FLOGI" message. Example: switch# show npv status npiv is enabled Cisco Nexus 5000 Series Troubleshooting Guide 5-4 OL-25300-01
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