Errors on Fast ethernet Interface - Cisco Routers
Errors on Fast ethernet interface of Cisco routers. If you are facing problem with the increasing errors on cisco router fast ethernet interface, you can apply few quick fixes. 1) Check the router memory and holding memory of the process, using following command : show processes memory Check this every few minutes as this should not increase. 2) Check CPU process for spikes in CPU using following command show processes CPU history sh processes cpu sorted | exclude 0.00 3) Check the uptime of the router using following command. Show version 4) Issue can be with the cable, it should be CAT 5 or CAT 5e. 5) Issue can be with the Duplex/Speed set to auto/auto. It should be always hard coded e.g. duplex full / speed 100.