i've captured the message from syslog server, does anyone encountered this before ? my concern is why the MSFC suddenly show this error message ? what is the root cause about this ? below is the message captured from syslog server.
2006-02-11 14:41:59 Local7.Info xxx.xxx.xxx.xxx 566: Feb 11 13:38:06.170: %STANDBY-6-STATECHANGE: Vlan10 Group 10 state Standby -> Active
2006-02-11 14:42:22 Local7.Info xxx.xxx.xxx.xxx 595: Feb 11 13:38:30.226: %STANDBY-6-STATECHANGE: Vlan10 Group 10 state Active -> Speak
2006-02-11 14:42:24 Local7.Notice xxx.xxx.xxx.xxx 606: Feb 11 13:38:32.954: %OSPF-5-ADJCHG: Process 1, Nbr xxx.xxx.xxx.xxx on Vlan10 from FULL to DOWN, Neighbor Down: Dead timer expired
2006-02-11 14:42:31 Local7.Notice xxx.xxx.xxx.xxx 624: Feb 11 13:38:39.842: %OSPF-5-ADJCHG: Process 1, Nbr xxx.xxx.xxx.xxx on Vlan10 from LOADING to FULL, Loading Done
What is happening is that your active HSRP router has gone down (or at least its interace to the LAN segment is no longer reachable). This results in this router now becoming the active HSRP router. Because the other router is not reachable, the OSPF relationship also goes down because OSPF Hellos are no longer been seen from it. I suggest you check the logs on the device whose address is "xxx.xxx.xxx.xxx" to see why it's interface is going down.
Are there any intervening switches between the devices that could have caused the issue ? Could your describe your physical topology ? These symptoms are common in an Ethernet switched network where the ethernet links remain up but there's an open circuit in the middle somewhere.
yes, you are right. xxx.xxx.xxx.xxx address is belongs to another MSFC, and it is directly connected. this 2 MSFC act as HSRP for redundent purpose. and from 6509 (MSFC) Connected to 6509 (Core Switch).
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