Cisco ASR 900 Series User Manual

PurposeCommand or Action
Enables Cisco Express Forwarding on the route processor
card.
ip cef distributed
Example:
Device(config)# ip cef distributed
Step 3
Verifying Configuration of MPLS Switching
To verify that Cisco Express Forwarding has been configured properly, issue the show ip cef summary
command, which generates output similar to that shown below:
SUMMARY STEPS
1.
show ip cef summary
DETAILED STEPS
show ip cef summary
Example:
Router# show ip cef summary
IP CEF with switching (Table Version 49), flags=0x0
43 routes, 0 resolve, 0 unresolved (0 old, 0 new)
43 leaves, 49 nodes, 56756 bytes, 45 inserts, 2 invalidations
2 load sharing elements, 672 bytes, 2 references
1 CEF resets, 4 revisions of existing leaves
4 in-place modifications
refcounts: 7241 leaf, 7218 node
Adjacency Table has 18 adjacencies
Router#
Configuring a Router for MPLS Forwarding
MPLS forwarding on Cisco routers requires that forwarding of IPv4 packets be enabled.
For more information about MPLS forwarding commands, see the Multiprotocol Label Switching Command
Reference.
MPLS Basic Configuration Guide, Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
5
Multiprotocol Label Switching (MPLS) on Cisco Routers
Verifying Configuration of MPLS Switching

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English