Specifications

mpls request-labels for
MP-279
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
mpls request-labels for
Note Effective with Cisco IOS Release 12.4(20)T, the mpls request-labels for command is not available in
Cisco IOS software.
To restrict the creation of label switched paths (LSPs) through the use of access lists on the label switch
co
ntroller (LSC) or label edge router (LER), use the mpls request-labels for command in global
configuration mode. To restrict the creation of LSPs through the use of access lists on the LSC or LER,
use the no form of this command.
mpls request-labels for a
ccess-list
no mpl
s request-labels for
Syntax Description
Defaults No LSPs are created using access lists on the LCS or LER.
Command Modes Global configuration (config)
Command History
Usage Guidelines The command includes the following usage guidelines:
• You can specify either an access list number or name.
• When you create an access list, the end of the access list contains an implicit deny statement for
everything if it did not find a match before reaching the end.
• If you omit the mask from an IP host address access list specification, 0.0.0.0 is assumed to be the
mask.
Examples The following example shows how to prevent headend label switched controlled virtual circuits (LVCs)
fr
om being established from the LSC to all 192.168.x.x destinations. The following commands are added
to the LSC configuration:
Router(config)# mpls request-labels for 1
Router(config)# access-list 1 deny 192.168.0.0 0.255.255.255
Router(config)# access-list 1 permit any
access-list A named or numbered standard IP access list.
Release Modification
12.1(5)T This command was introduced.
12.2(4)T This command was updated to reflect the Multiprotocol Label Switching
(M
PLS) Internet Engineering Task Force (IETF) terminology.
12.4(20)T This command was removed.