Cisco N5K-C5010P-BF Troubleshooting Guide - Page 147
Peer-link issues, Possible Cause, Solution, show cdp neighbor - n5k c5020p bf
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Chapter 8 Troubleshooting Virtual Port Channel Issues Improper Configurations Send document comments to [email protected]. !Time: Tue Mar 8 03:53:53 2011 version 4.2(1)N2(1) interface mgmt0 ip address 172.18.118.162/24 switch2# sh run vpc !Command: show running-config vpc !Time: Tue Mar 8 03:54:01 2011 version 4.2(1)N2(1) feature vpc vpc domain 500 peer-keepalive destination 172.18.118.162 In this example, the destination IP is not correct. The correct IP is 172.18.118.163, which is the peer IP address. Peer-link issues Possible Cause The peer link is not configured. Solution Configure the peer link correctly. Example: In this example, the problem is that the vPC peer-link does not exist. switch1# show vpc brief Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 500 Peer status : peer link not configured vPC keep-alive status : peer is alive Configuration consistency status: failed Configuration consistency reason: vPC peer-link does not exists You can use the show cdp neighbor command to determine which physical ports are connected to the other Nexus switch. switch1# show cdp neighbor Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge S - Switch, H - Host, I - IGMP, r - Repeater, V - VoIP-Phone, D - Remotely-Managed-Device, s - Supports-STP-Dispute Device-ID Local Intrfce Hldtme Capability Platform Port ID switch2(SSI1324033X)Eth1/25 switch2(SSI1324033X)Eth1/26 128 S I s 128 S I s N5K-C5020P-BF Eth1/25 N5K-C5020P-BF Eth1/26 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 8-5