Junos OS MPLS Applications Configuration Guide - Juniper Networks

}
failure-action teardown;
minimum-interval milliseconds;
minimum-receive-interval milliseconds;
minimum-transmit-interval milliseconds;
multiplier detection-time-multiplier;
}
lsp-ping-interval seconds;
}
You can configure this statement at the following hierarchy levels:
• [edit protocols mpls]
• [edit protocols mpls label-switched-path lsp-name]
• [edit protocols mpls label-switched-path lsp-name primary path-name]
The bfd-liveness-detection statement includes the following options:
• minimum-interval—Specifies the minimum transmit and receive interval.
• minimum-receive-interval—Specifies the minimum receive interval. The range is from
1 through 255,000 milliseconds.
• minimum-transmit-interval—Specifies the minimum transmit interval. The range is
from 1 through 255,000 milliseconds.
• multiplier—Specifies the detection time multiplier. The range is from 1 through 255.
NOTE: To avoid triggering false negatives, configure a BFD fault detection
time that is longer than the fast reroute time.
You can also configure the lsp-ping-interval option to adjust the time interval between
LSP pings. The LSP ping command for RSVP-signaled LSPs is ping mpls rsvp. For more
information on the ping mpls rsvp command, see the Junos OS System Basics and Services
Command Reference.
Configuring a Failure Action for the BFD Session on an RSVP LSP
Copyright © 2011, Juniper Networks, Inc.
When the BFD session for an RSVP LSP goes down, the LSP is torn down and resignaled.
Traffic can be switched to a standby LSP, or you can simply tear down the LSP path. Any
actions performed are logged.
When a BFD session for an RSVP LSP path goes down, you can configure the Junos OS
to resignal the LSP path or to simply disable the LSP path. A standby LSP path could be
configured to handle traffic while the primary LSP path is unavailable. The router can
automatically recover from LSP failures that can be detected by BFD. By default, if a BFD
session fails, the event is simply logged.
To enable the Junos OS to tear down an RSVP LSP path in the event of a BFD event,
include the failure-action statement:
failure-action {
Chapter 9: Miscellaneous MPLS Properties Configuration Guidelines
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