MPLS Guide MPLS and RSVP-TE
3HE 18686 AAAB TQZZA © 2022 Nokia.
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179
3.24.2.1.4 Interface Commands
interface
Syntax [no] interface ip-int-name
Context config>router>mpls
Description This command enables MPLS protocol support on an IP interface. MPLS commands are not
executed on an IP interface where MPLS is not enabled.
The no form of this command deletes all MPLS commands that are defined under the
interface, such as label-map. The interface must be shut down before it can be deleted. If the
interface is not shut down, the no interface ip-int-name command issues a warning message
on the console indicating that the interface is administratively up.
Default shutdown
Parameters ip-int-name — identifies the network IP interface. The interface name character string
cannot be in the form of an IP address. Allowed values are any string up to 32
characters long composed of printable, 7-bit ASCII characters. If the string contains
special characters (#, $, spaces, etc.), the entire string must be enclosed within
double quotes.
admin-group
Syntax [no] admin-group group-name [group-name...(up to 5 max)]
Context config>router>mpls>interface
Description This command associates admin groups with this interface. The admin group must already
be defined in the config>router>if-attribute context (refer to the 7705 SAR Router
Configuration Guide, “IP Router Command Reference”).
Up to five groups can be specified with one command. When an admin group is bound to one
or more interfaces, its value cannot be changed until all bindings are removed.
When associated with MPLS interfaces, the interfaces can be included or excluded in the
LSP path definition by matching on the admin-group name. CSPF will calculate a path that
satisfies the admin-group include and exclude constraints.
The configured admin-group membership is applied in all levels or areas that the interface is
participating in. The same interface cannot have different memberships in different levels or
areas.
The admin groups bound to an MPLS interface are advertised area-wide in TE link TLVs and
sub-TLVs when the traffic-engineering option is enabled in IS-IS or OSPF.
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