OAM and SAA Command Reference
Page 1454 7750 SR OS Services Guide
LDP Treetrace Commands
ldp-treetrace
Syntax ldp-treetrace {prefix ip-prefix/mask} [max-ttl ttl-value] [max-path max-paths] [timeout tim-
eout] [retry-count retry-count] [fc fc-name [profile profile]]
Context oam
Description This command enables the context to configure LDP treetrace parameters to perform Alcatel-Lucent
OAM tree trace test operations manually.
Parameters prefix ip-prefix/mask — Specifies the address prefix and subnet mask of the destination node.
max-ttl max-label-ttl — The maximum TTL value in the MPLS label for the LSP trace test,
expressed as a decimal integer.
Default 30
Values 1 — 255
max-paths max-paths — The maximum number of paths for a ldp-treetrace test, expressed as a
decimal integer.
Default 128
Values 1 — 255
timeout timeout — The timeout parameter in seconds, expressed as a decimal integer. This value is
used to override the default timeout value and is the amount of time that the router will wait for a
message reply after sending the message request. Upon the expiration of message timeout, the
requesting router assumes that the message response will not be received. Any response received
after the request times out will be silently discarded.
Default 3
Values 1 — 60
fc fc-name — The fc and profile parameters are used to indicate the forwarding class of the MPLS
echo request packets. The actual forwarding class encoding is controlled by the network egress
LSP-EXP mappings.
The LSP-EXP mappings on the receive network interface controls the mapping back to the
internal forwarding class used by the far-end 7750 SR that receives the message request. The
egress mappings of the egress network interface on the far-end 7750 SR controls the forwarding
class markings on the return reply message.
The LSP-EXP mappings on the receive network interface controls the mapping of the message
reply back at the originating 7750 SR.
Default be
Values be, l2, af, l1, h2, ef, h1, nc
profile profile — The profile state of the MPLS echo request encapsulation.
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