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)

  • Echo function failed

  • Neighbor signaled session down

  • Forwarding plane reset

  • Path down

  • Concatenated path down

  • Administratively down

  • Reverse concatenated path down

Examples

Showing information for all BFD sessions: 

switch(config)# 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 Source IP       Destination IP  Echo     State      Application
------- --------- --------------- --------------- -------- ---------- -----------
1       1/1/1     100.100.100.100 100.100.100.101 Disabled Up         OSPF
2       1/3/28    10.1.3.1        10.1.5.6        Enabled  Up         VRRP

Showing information for BFD session 1: 

switch(config)# 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
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