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Enables privileged EXEC mode. Enter your password if prompted.
Step 2
show mpls interfaces [type number | vrf vpn-name][all] [detail] [internal]
The show mpls interfaces command displays the method used to enable LDP on an interface:
•
If LDP is enabled by the mpls ldp autoconfigcommand, the output displays:
Example:
IP labeling enabled (ldp):
IGP config
•
If LDP is enabled by the mpls ip command, the output displays:
Example:
IP labeling enabled (ldp):
Interface config
•
If LDP is enabled by the mpls ip command and the mpls ldp autoconfig command, the output displays:
Example:
IP labeling enabled (ldp):
Interface config
IGP config
The following example shows that LDP was enabled on the interface by both the mpls ip and mpls ldp autoconfig
commands:
Example:
Router# show mpls interfaces Serial 2/0 detail
Interface Serial2/0:
IP labeling enabled (ldp):
Interface config
IGP config
LSP Tunnel labeling enabled
BGP labeling not enabled
MPLS operational
Fast Switching Vectors:
IP to MPLS Fast Switching Vector
MPLS Turbo Vector
MTU = 1500
Step 3
show mpls ldp discovery [vrf vpn-name | all] [detail]
The show mpls ldp discovery detailcommand alsoshows how LDP was enabled on the interface. In the following
example, LDP was enabled by both the mpls ip and mpls ldp autoconfig commands:
Example:
Router# show mpls ldp discovery detail
Local LDP Identifier:
10.11.11.11:0
Discovery Sources:
Interfaces:
MPLS LDP Autoconfiguration
How to Configure MPLS LDP Autoconfiguration
MPLS LDP Configuration Guide, Cisco IOS Release 12.4
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