show ip bfd neighbors

Display Bidirectional Forwarding Detection (BFD) session information for IPv4 neighbors.

Syntax

Command Parameters

next-hop

Specifies the next-hop IP address in the format a.b.c.d.

vrf

Specifies a VRF instance by VRF name.

vrfids

Specifies a VRF or range of VRFs by ID.

Command Mode

User EXEC

Command Output

The show ip bfd neighbors command displays the following information:

Output Field

Description

MY_DISC

Specifies the local discriminator for the BFD session.

YOUR_DISC

Specifies the remote discriminator for the BFD session.

NEXT_HOP

Specifies the next-hop IP address.

STATE

Specifies the BFD session state. Possible values are Down, Up, Init, and AdminDown.

MULTI

Specifies the multiplier used to calculate the amount of time BFD waits before declaring a receive timeout.

MIN_TX

Specifies, in microseconds, the minimum interval that the local system prefers to use when transmitting BFD control packets.

MIN_RX

Specifies, in microseconds, the minimum interval between received BFD control packets.

ACT_TX

Specifies, in microseconds, the actual transmission interval.

DETECT_TIME

Specifies the period of time without receiving BFD packets, after which the session is determined to have failed.

REMOTE_STATE

Specifies the BFD session state of the remote system.

APP

Specifies the application configured on the BFD session.

RUN

Specifies the application running on the BFD session.

Example

The following example displays BFD session information for an IPv4 neighbor.

Switch:1>show ip bfd neighbors
========================================================================================================================
                                          BFD Session - GlobalRouter
========================================================================================================================

MY_DISC    YOUR_DISC  NEXT_HOP        STATE      MULTI MIN_TX MIN_RX ACT_TX DETECT_TIME REMOTE_STATE APP    RUN

1          0          192.0.2.11      Down       3     200    200    1000   600         Down         O
------------------------------------------------------------------------------------------------------------------------
  1 out of 1 BFD session displayed
------------------------------------------------------------------------------------------------------------------------
APP and RUN Legend:
        B=BGP, O=OSPF, S=Static Route
------------------------------------------------------------------------------------------------------------------------