Cisco Rollback Configuration

Hi weekender's (guys is enjoy weekend), I just complete previous posting.

It's very easy to rollback Cisco IOS software configuration. But you must enable archive feature first before can use rollback feature. Please find Cisco Archive Config to enable. To rollback configuration from archive copy archive config to running-config.

IOS#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
IOS(config)#hostname IOOS
IOOS(config)#exit

IOOS#show archive config differences disk0:/-1 
Contextual Config Diffs:
+hostname IOS
-hostname IOOS

IOOS#copy disk0:/-1 running-config
Destination filename [running-config]? 

2248 bytes copied in 0.680 secs (3306 bytes/sec)
IOS#