Cisco Nexus 3000 - Redundancy Framework Status

Troubleshooting
1

**CMK version: Checkmk Raw Edition 2.1.0p20
**OS version: Ubuntu 22.04 LTS

**Error message: We running two Cisco Nexus 3000 in a vPC Domain. CheckMK show on both Devices the following Error Message:

Unit ID: 22 (active), Peer ID: 0 (not known), Duplex mode: False (SUB-Peer not detected), Last swact reason code: not known

Has anybody a solution for that?

2

can you do an snmpwalk on these devices, to see what state the devices are in?
The example is from an old N56K, the redundancy framework is not supported there…

snmpwalk -v2c -c public 192.168.10.150 1.3.6.1.4.1.9.9.176.1.1 

SNMPv2-SMI::enterprises.9.9.176.1.1.1.0 = INTEGER: 22
SNMPv2-SMI::enterprises.9.9.176.1.1.2.0 = INTEGER: 14
SNMPv2-SMI::enterprises.9.9.176.1.1.3.0 = INTEGER: 0
SNMPv2-SMI::enterprises.9.9.176.1.1.4.0 = INTEGER: 1
SNMPv2-SMI::enterprises.9.9.176.1.1.6.0 = INTEGER: 2
SNMPv2-SMI::enterprises.9.9.176.1.1.7.0 = INTEGER: 1
SNMPv2-SMI::enterprises.9.9.176.1.1.8.0 = INTEGER: 1
3

Both devices show me the following Output:

snmpwalk -v2c -c public 192.168.0.5 1.3.6.1.4.1.9.9.176.1.1   
SNMPv2-SMI::enterprises.9.9.176.1.1.1.0 = INTEGER: 22
SNMPv2-SMI::enterprises.9.9.176.1.1.2.0 = INTEGER: 14
SNMPv2-SMI::enterprises.9.9.176.1.1.3.0 = INTEGER: 0
SNMPv2-SMI::enterprises.9.9.176.1.1.4.0 = INTEGER: 1
SNMPv2-SMI::enterprises.9.9.176.1.1.6.0 = INTEGER: 2
SNMPv2-SMI::enterprises.9.9.176.1.1.7.0 = INTEGER: 1
SNMPv2-SMI::enterprises.9.9.176.1.1.8.0 = INTEGER: 3
4

I would say this means the redundancy framework will also not work with these devices. So best you disable it for the N3K. For the vPC stuff there is a plugin on the exchange. This will need some changing in the detect function as it finds N9KC9336CFX2 devices only.

https://exchange.checkmk.com/p/cisco-vpc

Change this to your specific OID

detect=startswith(".1.3.6.1.2.1.1.2.0", ".1.3.6.1.4.1.9.12.3.1.3.1955"),

or try

detect=startswith(".1.3.6.1.2.1.1.1.0", "Cisco NX-OS"),
5

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