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Home Documentation Junos OS Junos CLI Reference CLI Reference S

Junos CLI Reference

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Junos CLI Reference
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show bfd subscriber session

date_range 19-Nov-23
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Syntax

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show bfd subscriber session
 <brief | detail | extensive | summary>

Description

Display information about active Bidirectional Forwarding Detection (BFD) subscriber sessions.

Options

none

(Same as brief) Display information about active BFD subscriber sessions.

brief | detail | extensive | summary

(Optional) Display the specified level of output.

Required Privilege Level

view

Output Fields

Table 1 describes the output fields for the show bfd subscriber session command. Output fields are listed in the approximate order in which they appear.

Table 1: show bfd subscriber session Output Fields

Field Name

Field Description

Level of Output

Address

IP Address on which the BFD subscriber session is active.

All levels

State

State of the BFD subscriber session: Up, Down, Init (initializing), or Failing.

All levels

Interface

Interface on which the BFD subscriber session is active.

All levels

Detect Time

Negotiated time interval, in seconds, used to detect BFD control packets.

All levels

Transmit Interval

Time interval, in seconds, used by the transmitting system to send BFD control packets.

All levels

Multiplier

Negotiated multiplier by which the time interval is multiplied to determine the detection time for the transmitting system.

All levels

TX interval

Time interval, in seconds, used by the host system to transmit BFD control packets.

detail extensive

RX interval

Time interval, in seconds, used by the host system to receive BFD control packets.

detail extensive

Local diagnostic

Local diagnostic information about failing BFD subscriber sessions.

detail extensive

Remote diagnostic

Remote diagnostic information about failing BFD subscriber sessions.

detail extensive

Remote state

Indication that the remote system's BFD packets have been received and whether the remote system is receiving transmitted control packets.

detail extensive

Version

BFD version: 0 or 1.

detail extensive

routing table index

Value of the routing table index. A value of 0 (zero) denotes a route in the default routing table managed by enhanced subscriber management.

detail extensive

Min async interval

Minimum amount of time, in seconds, between asynchronous control packet transmissions across the BFD subscriber session.

extensive

min slow interval

Minimum amount of time, in seconds, between synchronous control packet transmissions across the BFD subscriber session.

extensive

Adaptive async TX interval

Transmission interval being used because of adaptation.

extensive

RX interval

Receive interval being used because of adaptation.

extensive

Local min TX interval

Minimum amount of time, in seconds, between control packet transmissions on the local system.

extensive

minimum RX interval

Minimum amount of time, in seconds, between control packet detections on the local system.

extensive

Remote min TX interval

Minimum amount of time, in seconds, between control packet transmissions on the remote system.

extensive

min RX interval

Minimum amount of time, in seconds, between control packet detections on the remote system.

extensive

Local discriminator

Authentication code used by the local system to identify that BFD subscriber session.

extensive

Remote discriminator

Authentication code used by the remote system to identify that BFD subscriber session.

extensive

Sample Output

show bfd subscriber session

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user@host> show bfd subscriber session
                                                  Detect  Transmit
Address              State     Interface          Time    Interval  Multiplier
203.0.113.2          Up        demux0.3221225503  90.000  30.000        3   
203.0.113.6          Up        demux0.3221225504  90.000  30.000        3   
203.0.113.10         Up        demux0.3221225505  90.000  30.000        3   
203.0.113.14         Up        demux0.3221225506  90.000  30.000        3   
203.0.113.18         Up        demux0.3221225507  90.000  30.000        3

show bfd subscriber session brief

The output for the show bfd subscriber session brief command is identical to that for the show bfd subscriber session command.

show bfd subscriber session detail

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user@host> show bfd subscriber session detail
                                                Detect  Transmit
Address              State   Interface          Time    Interval  Multiplier
203.0.113.2          Up      demux0.3221225503  90.000  30.000       3
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
203.0.113.6          Up      demux0.3221225504  90.000  30.000       3
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
203.0.113.10         Up      demux0.3221225505  90.000  30.000       3
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
203.0.113.14         Up      demux0.3221225506  90.000  30.000       3
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
203.0.113.18         Up      demux0.3221225507  90.000  30.000       3
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0

command-name

show bfd subscriber session extensive

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user@host> show bfd subscriber session extensive
                                                        Detect   Transmit
Address                  State     Interface            Time     Interval  Multiplier
203.0.113.2              Up        demux0.3221225503    90.000    30.000        3   
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
 Min async interval 30.000, min slow interval 30.000
 Adaptive async TX interval 30.000, RX interval 30.000
 Local min TX interval 30.000, minimum RX interval 30.000, multiplier 3
 Remote min TX interval 30.000, min RX interval 30.000, multiplier 3
 Local discriminator 28, remote discriminator 1073741825

                                                        Detect   Transmit
Address                  State     Interface            Time     Interval  Multiplier
203.0.113.6              Up        demux0.3221225504    90.000    30.000        3   
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
 Min async interval 30.000, min slow interval 30.000
 Adaptive async TX interval 30.000, RX interval 30.000
 Local min TX interval 30.000, minimum RX interval 30.000, multiplier 3
 Remote min TX interval 30.000, min RX interval 30.000, multiplier 3
 Local discriminator 29, remote discriminator 1073741826

                                                        Detect   Transmit
Address                  State     Interface            Time     Interval  Multiplier
203.0.113.10             Up        demux0.3221225505    90.000    30.000        3   
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
 Min async interval 30.000, min slow interval 30.000
 Adaptive async TX interval 30.000, RX interval 30.000
 Local min TX interval 30.000, minimum RX interval 30.000, multiplier 3
 Remote min TX interval 30.000, min RX interval 30.000, multiplier 3
 Local discriminator 30, remote discriminator 1073741827

                                                        Detect   Transmit
Address                  State     Interface            Time     Interval  Multiplier
203.0.113.14             Up        demux0.3221225506    90.000    30.000        3   
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
 Min async interval 30.000, min slow interval 30.000
 Adaptive async TX interval 30.000, RX interval 30.000
 Local min TX interval 30.000, minimum RX interval 30.000, multiplier 3
 Remote min TX interval 30.000, min RX interval 30.000, multiplier 3
 Local discriminator 31, remote discriminator 1073741828

                                                        Detect   Transmit
Address                  State     Interface            Time     Interval  Multiplier
203.0.113.18             Up        demux0.3221225507    90.000    30.000        3   
 Local diagnostic None, remote diagnostic None
 Remote state Up, version 1
 routing table index 0
 Min async interval 30.000, min slow interval 30.000
 Adaptive async TX interval 30.000, RX interval 30.000
 Local min TX interval 30.000, minimum RX interval 30.000, multiplier 3
 Remote min TX interval 30.000, min RX interval 30.000, multiplier 3
 Local discriminator 32, remote discriminator 1073741829

show bfd subscriber session summary

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user@host> show bfd subscriber session summary
                                                  Detect  Transmit
Address              State     Interface          Time    Interval  Multiplier
203.0.113.2          Up        demux0.3221225503  90.000  30.000        3   
203.0.113.6          Up        demux0.3221225504  90.000  30.000        3   
203.0.113.10         Up        demux0.3221225505  90.000  30.000        3   
203.0.113.14         Up        demux0.3221225506  90.000  30.000        3   
203.0.113.18         Up        demux0.3221225507  90.000  30.000        3

Release Information

Command introduced in Junos OS Release 15.1.

Related Documentation

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