Command Manual – MPLS Basics
H3C S9500 Series Routing Switches
Chapter 1 MPLS Basics Configuration Commands
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undo label advertise
View
MPLS view
Default Level
2: System level
Parameters
explicit-null
: Specifies the egress to support PHP and distribute to the penultimate hop
an explicit null label, whose value is 0.
implicit-null
: Specifies the egress to support PHP and distribute to the penultimate hop
an implicit null label, whose value is 3.
non-null
: Specifies the egress to distribute the label to the penultimate hop normally
and not to support PHP. The value of the distributed label will be equal to or greater
than 1024.
Description
Use the
label advertise
command to specify whether the egress supports PHP and
what type of label the egress should distribute to the penultimate hop.
Use the
undo label advertise
command to restore the default.
By default, an egress supports PHP and distributes to the penultimate hop an implicit
null label.
Note:
z
The type of label for the egress to distribute depends on whether the penultimate
hop supports PHP.
z
You must use the
reset mpls ldp
command to reset LDP sessions for the
configuration to take effect.
Examples
# Specify the egress to distribute an explicit null label to the penultimate hop.
<Sysname> system-view
[Sysname] mpls
[Sysname-mpls] label advertise explicit-null