show bfd
Syntax
show bfd [session <ID>] [all-vrfs | vrf <NAME>] [vsx-peer]Description
Shows information for all BFD sessions or for a specific BFD session.
Commands context
Manager (#)
Parameters
session <ID>Session ID.
all-vrfsAll VRFs.
vrf <NAME>Specifies the name of a VRF.
[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. This parameter is available on switches that support VSX.
Authority
Administrators or local user group members with execution rights for this command.
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 : 2.2.2.2 Statistics: Total Number of Control Packets Transmitted : 42 Total Number of Control Packets Received : 42 Total Number of Control Packets Dropped : 0 Session Interface VRF Source IP Destination IP Echo State Application ------- --------- --------- ------------------------------- ------------------------------- -------- -------- ------------ 1 vlan10 blue 10.10.10.1 10.10.10.2 disabled up ospf 1 vlan10 blue N/A 10.10.10.2 disabled up static_routes 2 vlan40 red 40.10.10.1 40.10.10.2 disabled up ospf 3 vlan30 red 30.10.10.1 30.10.10.2 disabled up ospf 4 vlan20 blue 20.10.10.1 20.10.10.2 disabled up ospf 5 vlan50 black 50.10.10.1 50.10.10.2 disabled up ospf 6 vlan60 black 60.10.10.1 60.10.10.2 disabled up ospf 7 vlan10 blue fe80::409:7380:a62:2400 fe80::409:7380:a49:a200 disabled up ospfv3
Showing information for BFD session 1:
switch# show bfd session 1 BFD Session Information – Session 1 VRF: blue Min Tx Interval (msec) : 10000 Min Rx Interval (msec) : 10000 Min Echo Rx Interval (msec) : 700 Detect Multiplier : 3 Application : ospf Local Discriminator : 1 Remote Discriminator : 1 Echo : Enabled Local Diagnostic : no_diagnostic Remote Diagnostic: administratively_down State flaps: 0 Interface Source IP Destination IP State Pkt In Pkt Out Pkt Drop --------- --------------- --------------- ---------- -------- -------- -------- 1/1/1 100.100.100.100 100.100.100.101 Up 100 101 0
Showing information for all BFD sessions related to a particular VRF in the system:
switch# show bfd vrf blue Admin status: enabled Echo source IP: 100.1.1.1 Statistics: Total number of control packets transmitted: 2226 Total number of control packets received: 2222 Total number of control packets dropped: 0 Session Interface VRF Source IP Destination IP Echo State Application ------- --------- --------- ------------------------------- ------------------------------- -------- -------- ------------ 1 vlan10 blue 10.10.10.1 10.10.10.2 disabled up ospf 1 vlan10 blue N/A 10.10.10.2 disabled up static_routes 4 vlan20 blue 20.10.10.1 20.10.10.2 disabled up ospf 7 vlan10 blue fe80::409:7380:a62:2400 fe80::409:7380:a49:a200 disabled up ospfv3