Hi Nimal, Check you processor / memory utilisation & check that all traffic is being CEF switched:
sh proc cpu sh proc cpu history sh mem sh switching If traffic is being CEF switched and your CPU is running very high, you may consider upgrading your NPE - btw. what NPE do you have in that router? cheers /rolf On Wednesday 06 August 2008 14:09:54 Nimal David Sirimanne wrote: > Hi guys, > > Need some advice. > > One of the interfaces on my border routers is consistently getting > AMDP2_FE-3-UNDERFLO messages during its peak usage (9am-5pm) hours. The > interface FastEthernet2/0 is seeing approx 40Mbps out and 15 Mbps in. > > The explaination for this error on Cisco website is: > > ------------ > Explanation While transmitting a frame, the controller chip's local > buffer received insufficient data because data could not be transferred > to the chip fast enough to keep pace with its output rate. Normally, > such a problem is temporary, depending on transient peak loads within > the system. > > Recommended Action The system should recover. No action is required. > ------------ > > I need some convincing of that. Of late, i've received a few reports of > packet loss to my network of late, and am not sure if this transmit > error has anything to do with it. Any help is much appreciated! FYI, the > router in question is a Cisco 7206VXR. The interface is 100Mbps capable. > > Aug 6 09:05:51 202.X.X.X 16758: Aug 6 09:05:50.850 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 09:22:54 202.X.X.X 16759: Aug 6 09:22:53.283 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 09:25:09 202.X.X.X 16760: Aug 6 09:25:08.771 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 09:35:22 202.X.X.X 16761: Aug 6 09:35:21.443 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 09:48:33 202.X.X.X 16762: Aug 6 09:48:32.053 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 10:07:07 202.X.X.X 16764: Aug 6 10:07:06.674 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 10:08:37 202.X.X.X 16765: Aug 6 10:08:36.702 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 10:17:37 202.X.X.X 16766: Aug 6 10:17:36.630 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 10:42:52 202.X.X.X 16775: Aug 6 10:42:51.517 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:03:00 202.X.X.X 16783: Aug 6 11:02:59.377 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:04:22 202.X.X.X 16784: Aug 6 11:04:21.672 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:04:22 202.X.X.X 16785: Aug 6 11:04:21.672 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:17:19 202.X.X.X 16786: Aug 6 11:17:18.339 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:29:52 202.X.X.X 16787: .Aug 6 11:29:51.219 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:36:07 202.X.X.X 16788: Aug 6 11:36:06.764 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:41:57 202.X.X.X 16789: Aug 6 11:41:56.615 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:43:26 202.X.X.X 16790: Aug 6 11:43:25.694 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:49:07 202.X.X.X 16791: Aug 6 11:49:06.796 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 11:50:07 202.X.X.X 16792: Aug 6 11:50:06.636 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 12:23:37 202.X.X.X 16794: Aug 6 12:23:36.735 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 12:29:37 202.X.X.X 16795: Aug 6 12:29:36.649 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 12:39:27 202.X.X.X 16796: Aug 6 12:39:26.629 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 13:05:30 202.X.X.X 16803: Aug 6 13:05:29.396 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 14:21:40 202.X.X.X 16805: Aug 6 14:21:39.319 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 14:33:30 202.X.X.X 16806: Aug 6 14:33:29.319 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 14:36:55 202.X.X.X 16807: Aug 6 14:36:54.313 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 14:46:58 202.X.X.X 16808: Aug 6 14:46:57.086 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:10:52 202.X.X.X 16810: Aug 6 15:10:51.737 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:11:09 202.X.X.X 16811: Aug 6 15:11:08.061 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/1 transmit error > Aug 6 15:13:52 202.X.X.X 16812: Aug 6 15:13:51.740 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:14:11 202.X.X.X 16813: Aug 6 15:14:10.795 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:18:59 202.X.X.X 16814: Aug 6 15:18:58.742 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:23:43 202.X.X.X 16815: Aug 6 15:23:42.172 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:46:06 202.X.X.X 16817: Aug 6 15:46:05.635 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 15:53:55 202.X.X.X 16818: Aug 6 15:53:54.048 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:09:06 202.X.X.X 16820: Aug 6 16:09:05.570 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:15:53 202.X.X.X 16821: Aug 6 16:15:52.157 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:17:43 202.X.X.X 16822: Aug 6 16:17:42.039 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:33:40 202.X.X.X 16823: Aug 6 16:33:39.344 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:35:08 202.X.X.X 16824: Aug 6 16:35:07.359 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:38:27 202.X.X.X 16825: Aug 6 16:38:26.278 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:44:58 202.X.X.X 16826: Aug 6 16:44:57.748 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:44:58 202.X.X.X 16827: Aug 6 16:44:57.748 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:49:07 202.X.X.X 16828: Aug 6 16:49:06.738 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/0 transmit error > Aug 6 16:50:46 202.X.X.X 16829: Aug 6 16:50:45.557 MAL: > %AMDP2_FE-3-UNDERFLO: FastEthernet2/1 transmit error > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
