Morning all, we have a number (57) of site Routers that are experiencing the same problem with BFDFSM Detect Timer Expired.
We've got 17.09.04a on our C1111's
This is from the logs from one of the Routers:
Nov 19 18:54:42.268 GMT: %BFDFSM-6-BFD_SESS_DOWN: BFD-SYSLOG: BFD session ld:4098 handle:3,is going Down Reason: DETECT TIMER EXPIRED
Nov 19 18:54:42.274 GMT: %BGP-5-NBR_RESET: Neighbor 10.0.253.29 reset (BFD adjacency down)
Nov 19 18:54:42.274 GMT: %BGP-5-NBR_RESET: Neighbor 10.0.253.29 reset (BFD adjacency down)
Nov 19 18:54:42.274 GMT: %BGP-5-NBR_RESET: Neighbor 10.0.253.29 reset (BFD adjacency down)
Nov 19 18:54:42.274 GMT: %BGP-5-NBR_RESET: Neighbor 10.0.253.29 reset (BFD adjacency down)
Nov 19 18:54:42.276 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 Down BFD adjacency down
Nov 19 18:54:42.276 GMT: %BGP_SESSION-5-ADJCHANGE: neighbor 10.0.253.29 IPv4 Unicast topology base removed from session BFD adjacency down
Nov 19 18:54:42.276 GMT: %BFD-6-BFD_SESS_DESTROYED: BFD-SYSLOG: bfd_session_destroyed, ld:4097 neigh proc:BGP, idb:GigabitEthernet0/0/0.110 handle:2 active
Nov 19 18:54:42.277 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 vpn vrf CCTV Down BFD adjacency down
Nov 19 18:54:42.277 GMT: %BGP_SESSION-5-ADJCHANGE: neighbor 10.0.253.29 IPv4 Unicast vpn vrf CCTV topology base removed from session BFD adjacency down
Nov 19 18:54:42.279 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 vpn vrf NCi_Data Down BFD adjacency down
Nov 19 18:54:42.279 GMT: %BGP_SESSION-5-ADJCHANGE: neighbor 10.0.253.29 IPv4 Unicast vpn vrf Data topology base removed from session BFD adjacency down
Nov 19 18:54:42.280 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 vpn vrf Public Down BFD adjacency down
Nov 19 18:54:42.281 GMT: %BGP_SESSION-5-ADJCHANGE: neighbor 10.0.253.29 IPv4 Unicast vpn vrf Public topology base removed from session BFD adjacency down
Nov 19 18:55:42.284 GMT: %BFD-6-BFD_SESS_DESTROYED: BFD-SYSLOG: bfd_session_destroyed, ld:4099 neigh proc:CEF, idb:GigabitEthernet0/0/0.109 handle:4 active
Nov 19 18:56:24.460 GMT: %BFD-6-BFD_SESS_CREATED: BFD-SYSLOG: bfd_session_created, neigh 10.0.253.29 proc:BGP, idb:GigabitEthernet0/0/0.108 handle:1 act
Nov 19 18:56:24.460 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 vpn vrf CCTV Up
Nov 19 18:56:25.408 GMT: %BFDFSM-6-BFD_SESS_UP: BFD-SYSLOG: BFD session ld:4100 handle:1 is going UP
Nov 19 18:56:26.475 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 Up
Nov 19 18:56:28.569 GMT: %BGP-5-NBR_RESET: Neighbor 10.0.253.29 active reset (Peer closed the session)
Nov 19 18:56:28.569 GMT: %BGP-5-NBR_RESET: Neighbor 10.0.253.29 passive reset (Peer closed the session)
Nov 19 18:56:28.570 GMT: %BGP_SESSION-5-ADJCHANGE: neighbor 10.0.253.29 IPv4 Unicast vpn vrf Data topology base removed from session Peer closed the session
Nov 19 18:56:33.668 GMT: %BFD-6-BFD_SESS_CREATED: BFD-SYSLOG: bfd_session_created, neigh 10.0.253.29 proc:BGP, idb:GigabitEthernet0/0/0.109 handle:3 act
Nov 19 18:56:33.668 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 vpn vrf Public Up
Nov 19 18:56:33.683 GMT: %BFDFSM-6-BFD_SESS_UP: BFD-SYSLOG: BFD session ld:4098 handle:3 is going UP
Nov 19 18:56:42.114 GMT: %BFD-6-BFD_SESS_CREATED: BFD-SYSLOG: bfd_session_created, neigh 10.0.253.29 proc:BGP, idb:GigabitEthernet0/0/0.101 handle:4 act
Nov 19 18:56:42.114 GMT: %BGP-5-ADJCHANGE: neighbor 10.0.253.29 vpn vrf Data Up
Nov 19 18:56:42.128 GMT: %BFDFSM-6-BFD_SESS_UP: BFD-SYSLOG: BFD session ld:4099 handle:4 is going UP
Our interface configs
interface GigabitEthernet0/0/0.101
description *** L3 Connection to vrf Data ***
encapsulation dot1Q 101
vrf forwarding Data
ip address 10.0.253.28 255.255.255.254
bfd interval 300 min_rx 300 multiplier 3
!
interface GigabitEthernet0/0/0.102
description *** L3 Connection to vrf VoIP ***
encapsulation dot1Q 102
vrf forwarding NCi_VoIP
ip address 10.0.253.28 255.255.255.254
shutdown
bfd interval 300 min_rx 300 multiplier 3
!
interface GigabitEthernet0/0/0.108
description *** L3 Connection to vrf CCTV ***
encapsulation dot1Q 108
vrf forwarding CCTV
ip address 10.0.253.28 255.255.255.254
bfd interval 300 min_rx 300 multiplier 3
!
interface GigabitEthernet0/0/0.109
description *** L3 Connection to vrf Public ***
encapsulation dot1Q 109
vrf forwarding Public
ip address 10.0.253.28 255.255.255.254
bfd interval 300 min_rx 300 multiplier 3
!
interface GigabitEthernet0/0/0.110
description *** L3 Connection to vrf Net_Mng ***
encapsulation dot1Q 110
ip address 10.0.253.28 255.255.255.254
bfd interval 300 min_rx 300 multiplier 3
Thank you for any support you may give
