Specifications
IP Switching Commands
show ip cef
ISW-156
Cisco IOS IP Switching Command Reference
May 2008
via 172.19.233.33, Ethernet0/0, 0 dependencies
next hop 172.19.233.33, Ethernet0/0
valid cached adjacency
Table 24 describes the significant fields shown in the display.
The following is sample output from the show ip cef detail command for the prefix 192.168.5.0,
showing that the Border Gateway Protocol (BGP) policy accounting bucket number 4 (traffic_index 4)
is assigned to this prefix:
Router# show ip cef 192.168.5.0 detail
192.168.5.0/24, version 21, cached adjacency to POS7/2
0 packets, 0 bytes, traffic_index 4
via 10.14.1.1, 0 dependencies, recursive
next hop 10.14.1.1, POS7/2 via 10.14.1.0/30
valid cached adjacency
The following example shows the forwarding table associated with the VRF named vrf1:
Router# show ip cef vrf vrf1
Prefix Next Hop Interface
0.0.0.0/32 receive
10.11.0.0/16 10.50.0.1 Ethernet1/3
10.12.0.0/16 10.52.0.2 POS6/0
10.50.0.0/16 attached Ethernet1/3
10.50.0.0/32 receive
10.50.0.1/32 10.50.0.1 Ethernet1/3
10.50.0.2/32 receive
10.255.255.255/32 receive
10.51.0.0/16 10.52.0.2 POS6/0
224.0.0.0/24 receive
255.255.255.255/32 receive
Ta b l e 24 show ip cef detail Field Descriptions
Field Description
routes Total number of entries in the Cisco Express Forwarding table.
unresolved routes Number of entries in the Cisco Express Forwarding table that do not
have resolved recursions categorized by old and new routes.
leaves, nodes, bytes Number of elements in the Cisco Express Forwarding table and how
much memory they use.
inserts Number of nodes inserted.
invalidations Number of entries that have been invalidated.
load sharing elements,
bytes, references
Information about load sharing elements: how many, number of
associated bytes, and number of associated references.
version Version of the Cisco Express Forwarding table.
cached adjacency Type of adjacency to which this Cisco Express Forwarding table entry
points.
packets, bytes Number of packets and bytes switched through the name entry.
dependencies Number of table entries that point to the named entry.
next hop Type of adjacency or the next hop toward the destination.