Specifications

IP Switching Commands
clear ip cef epoch full
ISW-19
Cisco IOS IP Switching Command Reference
May 2008
clear ip cef epoch full
To begin a new epoch and increment the epoch number for all Cisco Express Forwarding tables
(including the adjacency table), use the clear ip cef epoch full command in privileged EXEC mode.
clear ip cef epoch full
Syntax Description This command has no arguments or keywords.
Defaults This command has no default settings.
Command Modes Privileged EXEC
Command History
Usage Guidelines Use the clear ip cef epoch full command when you want to rebuild a table. This command allows old
and new table entries to be distinguished within the same data structure and allows you to retain the old
Cisco Express Forwarding database table while constructing the new table.
These show commands display epoch information:
• show ip cef summary—Displays the table epoch for a specific Forwarding Information Base (FIB)
table.
• show ip cef detail—Displays the epoch value for each entry of a specific FIB table.
• show adjacency summary—Displays the adjacency table epoch.
• show adjacency detail—Displays the epoch value for each entry of the adjacency table.
Examples This example shows the output before and after you clear the epoch table and increment the epoch
number:
Router# show ip cef epoch
CEF epoch information:
Table:Default-table
Table epoch:2 (164 entries at this epoch)
Adjacency table
Table epoch:1 (33 entries at this epoch)
Router# clear ip cef epoch full
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.