Symptom

LC/0/0/CPU0:Oct 3 23:28:54.940 EST: bfd_agent[123]: %L2-BFD-6-SESSION_STATE_DOWN : BFD session to neighbor 192.168.36.1 on interface TenGigE0/0/0/22 has gone down. Reason: Echo function failed RP/0/RSP0/CPU0:Oct 3 23:28:54.943 EST: BM-DISTRIB[1172]: %L2-BM-5-MBR_BFD_SESSION_DOWN : The BFD session on link TenGigE0/0/0/22 in Bundle-Ether360 is down due to the receipt of a Down SCN. The member will be removed from the active members of the bundle. RP/0/RSP0/CPU0:Oct 3 23:28:54.943 EST: BM-DISTRIB[1172]: %L2-BM-6-ACTIVE : TenGigE0/0/0/22 is no longer Active as part of Bundle-Ether360 (BFD state of this link is Down) LC/0/0/CPU0:Oct 3 23:28:54.945 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_ON : Session to neighbor 192.168.36.1 on interface TenGigE0/0/0/22 entered Dampened state (initial: 16000 ms,secondary: 20000 ms,maximum: 600000 ms). LC/0/0/CPU0:Oct 3 23:28:55.239 EST: bfd_agent[123]: %L2-BFD-6-SESSION_STATE_DOWN : BFD session to neighbor 192.168.36.1 on interface TenGigE0/0/0/23 has gone down. Reason: Echo function failed LC/0/0/CPU0:Oct 3 23:28:55.240 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_ON : Session to neighbor 192.168.36.1 on interface TenGigE0/0/0/23 entered Dampened state (initial: 16000 ms,secondary: 20000 ms,maximum: 600000 ms). RP/0/RSP0/CPU0:Oct 3 23:28:55.242 EST: BM-DISTRIB[1172]: %L2-BM-5-MBR_BFD_SESSION_DOWN : The BFD session on link TenGigE0/0/0/23 in Bundle-Ether360 is down due to the receipt of a Down SCN. The member will be removed from the active members of the bundle. RP/0/RSP0/CPU0:Oct 3 23:28:55.242 EST: BM-DISTRIB[1172]: %L2-BM-6-ACTIVE : TenGigE0/0/0/23 is no longer Active as part of Bundle-Ether360 (BFD state of this link is Down) LC/0/0/CPU0:Oct 3 23:28:55.465 EST: bfd_agent[123]: %L2-BFD-6-SESSION_STATE_DOWN : BFD session to neighbor 192.168.44.1 on interface TenGigE0/0/0/8 has gone down. Reason: Nbor signalled down LC/0/0/CPU0:Oct 3 23:28:55.466 EST: bfd_agent[123]: %L2-BFD-6-SESSION_STATE_DOWN : BFD session to neighbor 192.168.45.1 on interface TenGigE0/0/0/11 has gone down. Reason: Nbor signalled down RP/0/RSP0/CPU0:Oct 3 23:28:55.469 EST: BM-DISTRIB[1172]: %L2-BM-5-MBR_BFD_SESSION_DOWN : The BFD session on link TenGigE0/0/0/8 in Bundle-Ether440 is down due to the receipt of a Down SCN. The member will be removed from the active members of the bundle. RP/0/RSP0/CPU0:Oct 3 23:28:55.469 EST: BM-DISTRIB[1172]: %L2-BM-5-MBR_BFD_SESSION_DOWN : The BFD session on link TenGigE0/0/0/11 in Bundle-Ether450 is down due to the receipt of a Down SCN. The member will be removed from the active members of the bundle. RP/0/RSP0/CPU0:Oct 3 23:28:55.469 EST: BM-DISTRIB[1172]: %L2-BM-6-ACTIVE : TenGigE0/0/0/8 is no longer Active as part of Bundle-Ether440 (BFD state of this link is Down) RP/0/RSP0/CPU0:Oct 3 23:28:55.469 EST: BM-DISTRIB[1172]: %L2-BM-6-ACTIVE : TenGigE0/0/0/11 is no longer Active as part of Bundle-Ether450 (BFD state of this link is Down) LC/0/0/CPU0:Oct 3 23:28:57.295 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_ON : Session to neighbor 192.168.44.1 on interface TenGigE0/0/0/8 entered Dampened state (initial: 16000 ms,secondary: 20000 ms,maximum: 600000 ms). LC/0/0/CPU0:Oct 3 23:28:57.295 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_ON : Session to neighbor 192.168.45.1 on interface TenGigE0/0/0/11 entered Dampened state (initial: 16000 ms,secondary: 20000 ms,maximum: 600000 ms). LC/0/0/CPU0:Oct 3 23:29:10.260 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_OFF : Session to neighbor 192.168.36.1 on interface TenGigE0/0/0/22 moved out of Dampened state. LC/0/0/CPU0:Oct 3 23:29:10.260 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_OFF : Session to neighbor 192.168.36.1 on interface TenGigE0/0/0/23 moved out of Dampened state. LC/0/0/CPU0:Oct 3 23:29:11.645 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_OFF : Session to neighbor 192.168.44.1 on interface TenGigE0/0/0/8 moved out of Dampened state. LC/0/0/CPU0:Oct 3 23:29:11.645 EST: bfd_agent[123]: %L2-BFD-6-SESSION_DAMPENING_OFF : Session to neighbor 192.168.45.1 on interface TenGigE0/0/0/11 moved out of Dampened state. LC/0/0/CPU0:Oct 3 23:29:17.272 EST: bfd_agent[123]: %L2-BFD-6-SESSION_STATE_UP : BFD session to neighbor 192.168.36.1 on interface TenGigE0/0/0/22 is up RP/0/RSP0/CPU0:Oct 3 23:29:17.275 EST: BM-DISTRIB[1172]: %L2-BM-6-MBR_BFD_SESSION_UP : The BFD session on link TenGigE0/0/0/22 in Bundle-Ether360 has gone UP.

Conditions

10G Typhoon on either end of link

Workaround

None

Further Problem Description