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periodic-traceroute

Syntax

periodic-traceroute {
disable;
exp exp-value;
fanout fanout-value;
frequency minutes;
paths number-of-paths;
retries retry-attempts;
source address;
ttl ttl-value;
wait seconds;
}

Hierarchy Level

[edit protocols ldp oam],
[edit protocols ldp oam fec fec-address]

Release Information

Statement introduced in JUNOS Release 8.4.
Support added at the [edit protocols ldp oam] hierarchy level in JUNOS 9.0.

Description

Enable tracing of forwarding equivalence classes (FECs) for LDP LSPs.

Options

disable—Disable tracing for a specific FEC. This option is available at the [edit protocols ldp oam fec fec-address] hierarchy level only.

exp—Specify the class of service to use when sending probes.

Default: 7
Range: 0 through 7

fanout—Specify the maximum number of next hops to search per node.

Default: 16
Range: 1 though 16

frequency—Specify the interval between traceroute attempts.

Default: 60 minutes
Range: 15 through 120 minutes

paths—Specify the maximum number of paths to search.

Default: 3
Range: 1 through 255

retries—Specify the number of attempts to send a probe to a specific node before giving up.

Default: 3
Range: 1 through 9

source—Specify the IPv4 source address to use when sending probes.

ttl—Specify the maximum time-to-live value. Nodes that are beyond this value are not traced.

Default: 64
Range: 1 through 255

wait—Specify the wait interval before resending a probe packet.

Default: 10 seconds
Range: 5 though 15 seconds

Usage Guidelines

See Configuring LDP LSP Traceroute.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

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