Monday, February 15, 2021

Ubuntu monitoring server snmp&ssh timeout to single Catalyst switch

Hi there,

We have some issue with our Ubuntu monitoring server (currently on Ubuntu 20.04.2 LTS). After some time snmp and ssh from the server to one c2960 switch stops working. The connections just times out and if I run debug ip ssh on the switch there is simply nothing coming in. However I can still ping the switch from the server.

It just started recently after a reboot of the Ubuntu server. There are more c2960 switches in the network with the same config as the problem one but no issue with them.

A reboot of the Ubuntu server solves the problem for a couple of hours up to two days.

Server and switches are on the same subnet so no interfering firewall.

Any idea how to TS this?



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