Specifications

IP Switching Commands
show ip cef vlan
ISW-186
Cisco IOS IP Switching Command Reference
May 2008
show ip cef vlan
To display the information about the IP Cisco Express Forwarding VLAN interface status, the
configuration, and the prefixes for a specific interface, use the show ip cef vlan command in user EXEC
or privileged EXEC mode.
show ip cef vlan vlan-id [detail]
Syntax Description
Defaults This command has no default settings.
Command Modes User EXEC
Privileged EXEC
Command History
Examples This example shows how to display the prefixes for a specific VLAN:
Router> show ip cef vlan 1003
Prefix Next Hop Interface
0.0.0.0/0 172.20.52.1 FastEthernet3/3
0.0.0.0/32 receive
10.7.0.0/16 172.20.52.1 FastEthernet3/3
10.16.18.0/23 172.20.52.1 FastEthernet3/3
Router>
This example shows how to display detailed IP Cisco Express Forwarding information for a specific
VLAN:
Router> show ip cef vlan 1003 detail
IP Distributed CEF with switching (Table Version 2364), flags=0x0
1383 routes, 0 reresolve, 0 unresolved (0 old, 0 new)
1383 leaves, 201 nodes, 380532 bytes, 2372 inserts, 989 invalidations
0 load sharing elements, 0 bytes, 0 references
universal per-destination load sharing algorithm, id 9B6C9823
3 CEF resets, 0 revisions of existing leaves
refcounts: 54276 leaf, 51712 node
Adjacency Table has 5 adjacencies
vlan-id VLAN number; valid values are from 1 to 4094.
detail (Optional) Displays the detailed information about the IP Cisco Express
Forwarding VLAN interface.
Release Modification
12.2(14)SX Support for this command was introduced on the Supervisor Engine 720.
12.2(17d)SXB Support for this command on the Supervisor Engine 2 was extended to Release
12.2(17d)SXB.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.