hi all,
i have a strange issue with one of our 1841 router. both WAN and LAN ports seems to be flapping but only to see "up" logs. please see below and help advise on this matter. thanks in advance!
#sh ver
Cisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 12.4(15)T7, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Wed 13-Aug-08 15:34 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
ROUTER uptime is 5 days, 4 hours, 46 minutes
System returned to ROM by power-on
System restarted at 09:34:27 SGT Wed Nov 30 2011
System image file is "flash:c1841-ipbase-mz.124-15.T7.bin"
Cisco 1841 (revision 7.0) with 115712K/15360K bytes of memory.
Processor board ID FHK131221XN
2 FastEthernet interfaces
DRAM configuration is 64 bits wide with parity disabled.
191K bytes of NVRAM.
31488K bytes of ATA CompactFlash (Read/Write)
Configuration register is 0x2102
#sh log | i Dec
Dec 2 15:36:13.247 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 15:48:22.535 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 17:06:18.049 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 17:25:39.854 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 17:52:48.192 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 17:54:29.664 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 18:06:27.448 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 2 19:34:49.849 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 2 22:19:56.564 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 4 20:06:39.086 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 05:05:07.374 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 08:53:08.406 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 08:53:19.989 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 09:41:16.568 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 09:42:14.195 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 09:42:14.351 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 09:47:07.491 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 10:09:40.560 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:09:49.012 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:09:49.328 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 10:16:15.837 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:20:35.168 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:20:44.320 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:21:55.930 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:30:13.307 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 10:35:51.764 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 11:00:30.936 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 11:00:33.512 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 11:00:39.199 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 11:00:43.519 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 11:33:02.555 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 11:34:53.626 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 12:10:44.587 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 12:10:50.498 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 12:21:29.183 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 12:27:02.544 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:05:50.392 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:05:50.436 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
Dec 5 13:36:38.954 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:36:48.149 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:37:15.307 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:37:17.575 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:40:29.252 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:42:57.509 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Dec 5 13:47:32.935 SGT: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
