• Establish sessions on port-channels. Refer to Establish Sessions on Port-Channels.
Related Configuration Tasks
•Changing Port-Channel Session Parameters.
•Disabling BFD for Port-Channels.
Establish Sessions on Port-Channels
To establish a session, you must enable BFD at interface level on both ends of the link, as shown in the
following example. The session parameters do not need to match.
Figure 16. Establishing Sessions on Port-Channels
To establish a session on a port-channel, use the bfd neighbor ip-address command in INTERFACE
PORT-CHANNEL mode.
View the established sessions using the show bfd neighbors command, as shown in Changing Port-
Channel Session Parameters.
Viewing Established Sessions for VLAN Neighbors
R2(conf-if-po-1)#bfd neighbors 2.2.2.1
R2(conf-if-po-1)#do show bfd neighors
* - Active session role
Ad Dn - Admin Down
C - CLI
I - ISIS
O - OSPF
R - Static Route (RTM)
V - VRRP
LocalAddr RemoteAddr Interface State Rx-int Tx-int Mult Clients
* 2.2.2.2 2.2.2.1 Po 1 Up 100 100 3 C
172 Bidirectional Forwarding Detection (BFD)