show bfd session
Syntax
show bfd session
<brief | detail | extensive | summary>
Description
Display information about active Bidirectional Forwarding Detection (BFD) sessions.
Options
none—Same as brief.
brief | detail | extensive | summary—(Optional) Display the specified level of output.
Required Privilege Level
view
LIst of Sample Output
show bfd session extensive
Output Fields
Table 16 describes the output fields for the show bfd session command. Output fields are listed in the general order in which they appear.
Table 16: Show BFD Session Output Fields
|
|
|
|---|
Address
|
Address on which the BFD session is active.
|
brief detail extensive
|
State
|
State of the BFD session. It can be Up, Down, Init (initializing), or Failing.
|
brief detail extensive
|
Interface
|
Interface on which the BFD session is active.
|
brief detail extensive
|
Detect Time
|
Negotiated time interval, in seconds, used to detect BFD control packets.
|
brief detail extensive
|
Tx Interval
|
Time interval, in seconds, used by the transmitting system to send BFD control packets.
|
brief detail extensive
|
Multiplier
|
Negotiated multiplier by which the time interval is multiplied to determine the detection time for the transmitting system.
|
detail extensive
|
Client
|
Protocol for which the BFD session is active. It can be ISIS, OSPF, or Static.
|
detail extensive
|
RX Interval
|
Time interval, in seconds, used by the host system to receive BFD control packets.
|
brief detail extensive
|
Local diagnostic
|
Local diagnostic information about failing BFD sessions.
|
detail extensive
|
Remote diagnostic
|
Remote diagnostic information about failing BFD sessions.
|
detail extensive
|
Heard
|
Reports whether the remote system's BFD packets are received and whether the remote system is receiving transmitted control packets.
|
detail extensive
|
Min async interval
|
Minimum amount of time, in seconds, between asynchronous control packet transmissions across the BFD session.
|
extensive
|
Min slow interval
|
Minimum amount of time, in seconds, between synchronous control packet transmissions across the BFD session.
|
extensive
|
Local min tx interval
|
Minimum amount of time, in seconds, between control packet transmissions on the local system.
|
extensive
|
Local min 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
|
Remote 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 session.
|
extensive
|
Remote discriminator
|
Authentication code used by the remote system to identify that BFD session.
|
extensive
|
Echo mode
|
Information about the state of echo transmissions on the BFD session.
|
extensive
|
Session count
|
Total number of active BFD sessions.
|
All
|
Client count
|
Total number of clients that are hosting active BFD sessions.
|
All
|
Cumulative transmit rate
|
Total number of BFD control packets transmitted per second on all active sessions.
|
All
|
Cumulative receive rate
|
Total number of BFD control packets received per second on all active sessions.
|
All
|
show bfd session extensive
user@host> show bfd session extensive
Transmit
Address State Interface Detect Time Interval Multiplier
10.9.5.2 Up so-0/0/2.0 5.000 2.500 2
Client ISIS L1, TX interval 2.500, RX interval 2.500, multiplier 2
Client OSPF, TX interval 2.500, RX interval 2.500, multiplier 2
Local diagnostic None, remote diagnostic None
Remote heard, hears us
Min async interval 2.500, min slow interval 1.000
Local min tx interval 2.500, min rx interval 2.500
Remote min tx interval 2.500, min rx interval 2.500, mult 2
Local discriminator 0x809d100, remote discriminator 0x809d000
Echo mode disabled/inactive
10.9.1.1 Up ge-1/1/0.1 5.000 2.500 2
Client ISIS L1, TX interval 2.500, RX interval 2.500, multiplier 2
Client ISIS L2, TX interval 2.500, RX interval 2.500, multiplier 2
Client OSPF, TX interval 2.500, RX interval 2.500, multiplier 2
Local diagnostic None, remote diagnostic None
Remote heard, hears us
Min async interval 2.500, min slow interval 1.000
Local min tx interval 2.500, min rx interval 2.500
Remote min tx interval 2.500, min rx interval 2.500, mult 2
Local discriminator 0x809d000, remote discriminator 0x809d000
Echo mode disabled/inactive
26 sessions, 77 clients
Cumulative transmit rate 10.4 pps, cumulative receive rate 10.4 pps