D-Link DXS-3600 Series Reference Manual page 752

DXS-3600 Series Layer 3 Managed 10Gigabit Ethernet Switch CLI Reference Guide
explicit-null
no explicit-null
Parameters
None.
Default
By default, this option is Implicit null.
Command Mode
LDP Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
Use this command in the egress router to configure the Penultimate Hop Popping (PHP) behavior of the
upstream router. If the egress router advertises the Implicit Null label, the upstream will do Penultimate
Hop Popping. If the egress router advertises the Explicit Null label, the upstream will keep the outer label
without popping.
Example
This example shows how to configure the egress LSR advertise Explicit NULL label.
Switch# configure terminal
Switch(config)# mpls ldp configuration
Switch(config-ldp)# explicit-null
Warning: The configuring will lead to LDP sessions restart.
Switch(config-ldp)#
67-11 keepalive-holdtime
This command is used to configure the keep-alive hold-time for LDP sessions. Use the no form of this
command to restore the default value.
keepalive-holdtime SECONDS
no keepalive-holdtime
Parameters
SECONDS
Default
By default, this value is 40 seconds.
Command Mode
LDP Configuration Mode.
Command Default Level
Level: 12.
Specifies the keep-alive hold-time in seconds. The range is from 15 to
65535 seconds.
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