Configure Replace
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If you want to replace your running configuration with the configuration saved in your
router flash: memory , you can simply follow the procedure:-
First of all check with the available files in the Router flash: memory,issue the command:-
R1#dir flash:
Directory of flash:/
1 -rw- 1241 Feb 14 2011 17:19:34 +00:00 _DO_NOT_DELETE_baseconfig
2 -rw- 59478200 Sep 7 2010 22:50:24 +00:00 c2800nm-adventerprisek9-mz.124-24.T3.bin
3 -rw- 64652888 Sep 7 2010 23:00:30 +00:00 c2800nm-adventerprisek9-mz.151-2.T1.bin
4 drw- 0 Mar 31 2009 17:35:40 +00:00 ips
11 -rw- 59491364 Oct 6 2010 18:32:50 +00:00 c2800nm-adventerprisek9-mz.124-24.T4.bin
12 -rw- 2290 Jan 30 2011 17:50:32 +00:00 r1
13 -rw- 61731904 Jan 13 2010 17:40:32 +00:00 c2800nm-adventerprisek9-mz.150-1.M1.bin
14 -rw- 4326 Jan 26 2011 22:39:10 +00:00 r2
15 -rw- 59455672 Feb 17 2010 16:39:38 +00:00 c2800nm-adventerprisek9-mz.124-24.T2.bin
16 -rw- 1652 Apr 7 2011 19:27:20 +00:00 Nedumpillil
17 -rw- 1785 Mar 13 2011 02:51:50 +00:00 scsosna
18 -rw- 2540 Jun 12 2011 05:55:06 +00:00 Rack1R1
19 -rw- 1970 May 22 2011 13:09:20 +00:00 ice.txt
20 -rw- 2271 Jun 11 2011 19:06:52 +00:00 13.txt
21 -rw- 600 Jun 2 2011 15:45:14 +00:00 vlan.dat
1054457856 bytes total (749060096 bytes free)
And suppose you want to replace your running configuration with Rack1R1 file stored in flash:
Just follow the below method:-
R1#configure replace flash:Rack1R1
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]: Yes
Total number of passes: 0
Rollback Done
Rack1R1#
Note:The prompt before was R1# and after rollback the prompt is Rack1R1#
It is sometimes very useful suppose you have done a wrong QoS configuration and now you want it rollback to your old configuration just type
Rack1R1#configure replace nvram:
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]: Yes
Total number of passes: 0
Rollback Done
R1#
Note:If you have saved your configuration to the nvram: then it will not rollback,then you have
to manually clean your mess.
"Hey there, network enthusiasts! My name is Afroz, and I've been a CCIE for over 14 years. I work as a Network Designer, and my true passion is teaching others about the industry and sharing my knowledge through my blog and courses. I know the struggles of navigating the complex world of networking, but I firmly believe that teaching makes you a better learner and reinforces understanding. So, whether you're just starting out or a seasoned veteran, join me on this journey of learning and discovery, it will be worth it, and who knows, you might even have some fun along the way!"
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