Mpls Ip - Cisco 3825 Software Configuration Manual
Mobile wireless edge router
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Appendix A
Cisco 3825 Mobile Wireless Edge Router RAN-O Command Reference
mpls ip
To enable MPLS forwarding of IPv4 packets along normally routed paths for a specified interface, use
the mpls ip command in the interface configuration mode. To disable this feature, use the no form of
this command.
Syntax Description
This command has no arguments or keywords.
Defaults
MPLS forwarding of IPv4 packets along normally routed paths for the interface is disabled.
Command Modes
Interface configuration
Command History
Release
12.0(10)ST
12.0(14)ST
12.1(2)T
12.1(8a)E
12.2(2)T
12.2(4)T
12.2(8)T
12.0(21)ST
12.0(22)S
12.0(23)S
12.2(13)T
12.4(16)MR
Usage Guidelines
MPLS forwarding of IPv4 packets along normally routed paths is sometimes called dynamic label
switching. If dynamic label switching has been enabled for the platform when this command is issued
on an interface, label distribution for the interface begins with the periodic transmission of neighbor
discovery Hello messages on the interface. When the outgoing label for a destination routed through the
interface is known, packets for the destination are labeled with that outgoing label and forwarded
through the interface.
The no form of this command causes packets routed out through the interface to be sent unlabeled; this
form of the command also terminates label distribution for the interface. However, the no form of the
command does not affect the sending of labeled packets through any Label Switched Path (LSP) tunnels
that might use the interface.
OL-15667-03
mpls ip
no mpls ip
Modification
This command was introduced.
This command was integrated into Cisco IOS Release 12.0(14)ST.
This command was integrated into Cisco IOS Release 12.1(2)T.
This command was integrated into Cisco IOS Release 12.1(8a)E.
This command was integrated into Cisco IOS Release 12.2(2)T.
This command was integrated into Cisco IOS Release 12.2(4)T.
This command was integrated into Cisco IOS Release 12.2(8)T.
This command was integrated into Cisco IOS Release 12.0(21)ST.
This command was integrated into Cisco IOS Release 12.0(22)S.
This command was integrated into Cisco IOS Release 12.0(23)S.
This command was integrated into Cisco IOS Release 12.2(13)T.
This command was integrated into Cisco IOS Release 12.4(16)MR.
Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide
mpls ip
A-63
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