show bfd
Syntax
show bfd [session <ID>] [vsx-peer]
Description
Displays information for all BFD sessions or for a specific BFD session.
Commands context
Manager (#)
Parameters
session <ID>
Specifies a session ID.
[vsx-peer]
Shows the output from the VSX peer switch. If the switches do not have the VSX configuration or the ISL is down, the output from the VSX peer switch is not displayed.
Authority
Administrators
Usage
Possible values for
State
are:
- Up
Down
AdminDown
Init
Possible values for
Local diagnostic
and
Remote diagnostic
are:
- Control detection time expired (1): The session has stopped receiving BFD control packets from the peer after one detection time.
Echo function failed: The session has stopped receiving BFD Echo packets, so the session was declared Down.
Neighbor signaled session down: A packet from the peer was received with either AdminDown or Down state.
Forwarding plane reset: Not set in this release.
Path down: The forwarding path when Down.
Concatenated path down: Not set in this release.
Administratively down: The administrator has disabled BFD.
Reverse concatenated path down: Not set in this release.
Examples
Showing information for all BFD sessions:
switch# show bfd Admin status: enabled Echo source IP: 100.100.100.1 Statistics: Total number of control packets transmitted: 20 Total number of control packets received: 17 Total number of control packets dropped: 0 Session Interface VRF Source IP Destination IP Echo State Application ------- --------- --------- --------------- --------------- -------- ------------ ------------ 1 tunnel1 default fe80::94f1:28a0:1ef:700 fe80::94f1:28a0:1ef:a100 enabled up ospfv3 2 tunnel1 default fe80::94e2:37b1:1ef:111 fe80::94e2:37b1:1ef:555 enabled up ospfv3
Showing information for BFD session 1:
switch# show bfd session 1 BFD Session Information – Session 1 Min Tx Interval (sec) : 10 Min Rx Interval (sec) : 10 Min Echo Rx Interval (msec) : 700 Detect Multiplier : 3 Application : OSPF Local Discriminator : 1 Remote Discriminator : 1 Echo : Enabled Local Diagnostic : N/A Remote Diagnostic: N/A Flap count: 0 Internal state: Up Session Interface VRF Source IP Destination IP Echo State Application ------- --------- --------- --------------- --------------- -------- ------------ ------------ 1 tunnel1 default fe80::94f1:28a0:1ef:700 fe80::94f1:28a0:1ef:a100 enabled up ospfv3