Specifications
IP Switching Commands
show ip cef adjacency
ISW-159
Cisco IOS IP Switching Command Reference
May 2008
Command Modes User EXEC
Privileged EXEC
Command History
Usage Guidelines An adjacency is a node that can be reached by one Layer 2 hop.
Examples The following is sample output from the show ip cef adjacency command when the glean keyword is
specified:
Router# show ip cef adjacency glean
Prefix Next Hop Interface
10.2.61.0/24 attached Ethernet1/0/0
10.17.250.252/32 10.2.61.1 Ethernet1/0/0
The following is sample output from the show ip cef adjacency drop command with the detail keyword
specified:
Router# show ip cef adjacency drop detail
IP CEF with switching (Table Version 4), flags=0x0
4 routes, 0 reresolve, 0 unresolved (0 old, 0 new), peak 0
4 leaves, 8 nodes, 8832 bytes, 13 inserts, 9 invalidations
0 load sharing elements, 0 bytes, 0 references
universal per-destination load sharing algorithm, id 00B999CA
3 CEF resets, 0 revisions of existing leaves
Resolution Timer: Exponential (currently 1s, peak 1s)
0 in-place modifications
refcounts: 533 leaf, 536 node
10.0.0.0/4, version 3
glean Glean adjacency. Represents destinations on a connected interface for which no
Address Resolution Protocol (ARP) cache entry exists.
null Null adjacency. Formed for the null 0 interface. Packets forwarded to this
adjacency are dropped.
punt Punt adjacency. Represents destinations that cannot be switched in the normal
path and that are punted to the next-fastest switching vector.
Release Modification
11.1CC This command was introduced.
12.0(5)T The vrf keyword was added.
12.0(22)S This command was integrated into Cisco IOS Release 12.0(22)S.
12.2(14)S This command was integrated into Cisco IOS Release 12.2(14)S.
12.2(25)S Several new keywords were added.
12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB and implemented
on the Cisco 10000 series routers.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
12.2(33)SXH This command was integrated into Cisco IOS Release 12.2(33)SXH.