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MPLS and RSVP-TE
3.20.2 Configuring Global MPLS Parameters
Admin groups can signify link colors, such as red, yellow, or green, or some other link
quality. Shared risk link groups (SRLGs) are lists of interfaces that share the same
risk of failure due to shared resources. MPLS interfaces advertise the admin groups
and SRLGs that they support. CSPF uses the information when paths are computed
for constraint-based LSPs. CSPF must be enabled in order for admin groups and
SRLGs to be relevant.
Admin groups and SRLGs are created in the config>router>if-attribute context.
Other global parameters are created in the config>router>mpls context.
To configure global MPLS parameters, enter the following commands:
CLI Syntax:
CLI Syntax:
Example:
The following example displays a global MPLS configuration output.
A:ALU-1>config>router>if-attr# info
----------------------------------------------
134
config>router>if-attribute
admin-group group-name value group-value
srlg-group group-name value group-value
config>router>mpls
bypass-resignal-timer minutes
dynamic-bypass [enable | disable]
frr-object
hold-timer seconds
resignal-timer minutes
srlg-frr [strict]
config>router# if-attribute
config>router>if-attr# admin-group "green" value 15
config>router>if-attr# admin-group "red" value 25
config>router>if-attr# admin-group "yellow" value 20
config>router>if-attr# srlg-group "SRLG_fiber_1" value
50
config>router>if-attr# exit
config>router# mpls
config>router>mpls# frr-object
config>router>mpls# bypass-resignal-timer 120
config>router>mpls# hold-timer 3
config>router>mpls# resignal-timer 500
config>router>mpls# srlg-frr strict
admin-group "green" 15
admin-group "red" 25
admin-group "yellow" 20
srlg-group "SRLG_fiber_1" 50
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MPLS Guide
3HE 18686 AAAB TQZZA
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