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Webcast-Catalyst9k
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Link Flap - No CRC, 255/255 Reliability

Hi,

i can see the below logs in our router, i have checked the interface, there is no CRC, reliability is also fine, but there is slight increase in input errors for every refresh,

Tried searching in cisco errror decoder for %ENTITY_ALARM-6-INFO, i dont see any reason for it.

010887: Apr 16 10:13:23.582 GMT: %ENTITY_ALARM-6-INFO: ASSERT MAJOR Se5/0 Physical Port Link Down

010888: Apr 16 10:13:23.646 GMT: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.3.134 (Serial5/0) is down: interface down

010889: Apr 16 10:13:23.790 GMT: %PIM-5-NBRCHG: neighbor 192.168.3.134 DOWN on interface Serial5/0 non DR

010890: Apr 16 10:13:24.582 GMT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial5/0, changed state to down

010891: Apr 16 10:13:28.022 GMT: %LINK-3-UPDOWN: Interface Serial5/0, changed state to up

010892: Apr 16 10:13:28.022 GMT: %ENTITY_ALARM-6-INFO: CLEAR MAJOR Se5/0 Physical Port Link Down

010893: Apr 16 10:13:29.283 GMT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial5/0, changed state to up

010894: Apr 16 10:13:29.283 GMT: %PIM-5-NBRCHG: neighbor 192.168.3.134 UP on interface Serial5/0

010895: Apr 16 10:13:32.327 GMT: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.3.134 (Serial5/0) is up: new adjacency

010896: Apr 16 10:16:25.584 GMT: %ENTITY_ALARM-6-INFO: ASSERT MAJOR Se5/0 Receiver has remote alarm

010897: Apr 16 10:16:26.584 GMT: %ENTITY_ALARM-6-INFO: CLEAR MAJOR Se5/0 Receiver has remote alarm

pls help.

1 REPLY

Re: Link Flap - No CRC, 255/255 Reliability

I would call the provider to have them test the line. Is this a p2p with them or your equipment? If it's a p2p to your equipment, check the other end to see what the cause could be. Also, are you connected to a csu/dsu? Have you tried rebooting it?

HTH,

John

HTH, John *** Please rate all useful posts ***
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