Juniper JUNOSE 11.2.X IP SERVICES, Configuration Manual

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Viewing BFD Information
You can monitor the following aspects of BFD by using the following show commands:
Command To Display
show bfd session BFD session information
show license bfd BFD license key information
You can use the output filtering feature of the show command to include or exclude lines
of output based on a text string that you specify. See Command Line Interface in JunosE
System Basics Configuration Guide , for details.
show license bfd
Use to display the bfd license key configured on the router.
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Example
host1# show license bfd
BFD license is bfd_license
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See show license.
show bfd session
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Use to display BFD protocol session information.
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Use the address keyword to specify an IPv4 or IPv6 session that you want to view.
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Use the detail keyword to view more detailed information about the BFD session.
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Field descriptions
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Address—IP address of the remote interface with which the session is established.
In unnumbered cases, the remote interface provides its reference IP address.
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State—State of the BFD session, Up, Down, or AdminDown
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Interface—Interface on which the BFD session has been established
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Detect/Detection Time—Time (in seconds) taken to declare the remote interface
down when no packets are received from that interface
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Local discriminator—Value used to identify the session at the local end
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Remote discriminator—Value used to identify the session at the remote end
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Session up time—Amount of time the session has been operational since the last
session down event in
days:hours:minutes:seconds format.
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Up/Down count—Number of times up/down transitions have occurred on the session
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Adaptivity—Number of times this session has adapted its intervals, or that additional
adaptivity is disabled for this BFD session on the router
115 Copyright © 2010, Juniper Networks, Inc.
Chapter 4: Configuring BFD