Configuration Archiving on Cisco Routers

Create directory in flash to store arhived configs

Router#cd slot0:

Router#mkdir configs

Create directory filename [ configs] ?

Created dir slot0: /configs

Router#

Configure archiving. Configuration stored in archive every time you do a write memory or copy running-config startup-config.

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config) #archive

Router(config-archive) #path slot0: /configs/$h ($h uses hostname, $t uses date/time stamp)

Router(config-archive) #write-memory

Router(config-archive) #time-period 1440 (automatic scheduled archive every 1,440 minutes)

Router(config-archive) #end

Router#

View archives

Router#show archive

There are currently 5 archive configurations saved.

The next archive file will be named slot0: /configs/Router1-5

Archive # Name

0

1 slot0: /configs/Router1-1

2 slot0: /configs/Router1-2

3 slot0: /configs/Router1-3

4 slot0: /configs/Router1-4 <- Most Recent

5

6

7

8

9

10

11

12

13

14

Router#

Change number of archive files stored

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config) #archive

Router(config-archive) #maximum 10

Router(config-archive) #end

Router#

Show differences between current running config and an archived config

Router#show archive config differences slot0: /configs/Router1-1

Contextual Config Diffs:

+ip cef

-no ip cef

Router#

Rollback to previous configuration archive file

Router#archive config (store current running config)

Router#configure replace slot0: /configs/Router1-1

This will apply all necessary additions and deletions

to replace the current running configuration with the

contents of the specified configuration file, which is

assumed to be a complete configuration, not a partial

configuration. Enter Y if you are sure you want to proceed. ? [ no] : y

Total number of passes: 1

Rollback Done

Router#