Q

Certain ports on a router shut down; two networks show different alarm reports

Our routing and switching expert, Sudhanshu Gupta, suggests how to fix conflicting, network alarm reports on the shutdown of ports on a router.

I am having a problem where certain ports on a router in network A are shut down. Network B acknowledges this and reports the alarms. Network A, however, only shows the alarms on the initial port shutdown. Network B constantly receives these alarms, which shows the port as up then down. Could it be a configuration problem?
Tony,
Try to turn off keep-alive on the router. You can also shut those ports administratively down.
Hope this helps.
This was first published in January 2007

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