From: Greg Wendel (gwendel@gmail.com)
Date: Wed Nov 05 2008 - 17:50:41 ARST
We have seen issues with the "config replace" command and moved back to more
traditional configuration methods. This was back when it first came out
though so this may have improved. We especially had problems with crypto
configuration.
Greg, #20179
On Wed, Nov 5, 2008 at 1:19 PM, Darby Weaver <ccie.weaver@gmail.com> wrote:
> reload in... works for me but does not do so good on CatOS or for the
> VLAN
> Database or VTP and a few other things like System MTU and SDM etc. To
> name
> a few...
>
>
>
>
>
> On Wed, Nov 5, 2008 at 1:04 PM, Victor Cappuccio <vcappuccio@gmail.com
> >wrote:
>
> > how about configure replace?
> >
> >
> >
> http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gtrollbk.html
> >
> > these is a greate article http://www.nil.si/ipcorner/ConfigReplacement/
> >
> > that states:
> >
> > strongly recommend using it to track changes that Cisco IOS made to the
> > current configuration.
> >
> > Listing 1
> >
> > Changing interface IP addresses
> >
> > fw#configure terminal
> >
> > Enter configuration commands, one per line. End with CNTL/Z.
> >
> > fw(config)#interface loopback 0
> >
> > fw(config-if)#ip address 10.1.1.1 255.255.255.255
> >
> > fw(config-if)#exit
> >
> > fw(config)#interface FastEthernet 0/0
> >
> > fw(config-if)#shutdown
> >
> > fw(config-if)#ip address 1.2.3.4 255.255.0.0
> >
> > fw(config-if)#^Z
> >
> > Listing 2
> >
> > Rollback to the startup configuration
> >
> > fw#*configure replace nvram:startup-config list*
> >
> > 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*
> >
> > !Pass 1
> >
> > !List of Commands:
> >
> > no interface Loopback0
> >
> > interface FastEthernet0/0
> >
> > no ip address 1.2.3.4 255.255.0.0
> >
> > no shutdown
> >
> > interface FastEthernet0/0
> >
> > ip address 10.0.0.1 255.255.255.0
> >
> > end
> >
> > Total number of passes: 1
> >
> > Rollback Done
> >
> > Most commonly, the configuration rollback would be used to replace the
> > current configuration with the startup one. You can, however, use any
> file
> > transfer method supported by Cisco IOS to fetch the target configuration.
> > For example, if you have configured the Configuration Archive feature,
> you
> > can use the *show archive* command to identify the URL of a previously
> > saved
> > router configuration and use that URL in the *configur**e** replace*
> > command
> > (Listing 3).
> >
> > Listing 3
> >
> > Rollback to an archived configuration
> >
> > fw#*show archive*
> >
> > The next archive file will be named tftp://10.0.0.2/fw.cfg-67
> >
> > Archive # Name
> >
> > 0 tftp://10.0.0.2/fw.cfg-60
> >
> > 1 tftp://10.0.0.2/fw.cfg-61
> >
> > 2 tftp://10.0.0.2/fw.cfg-62
> >
> > 3 tftp://10.0.0.2/fw.cfg-63
> >
> > 4 tftp://10.0.0.2/fw.cfg-64
> >
> > 5 tftp://10.0.0.2/fw.cfg-65
> >
> > 6 tftp://10.0.0.2/fw.cfg-66 <- Most Recent
> >
> > 7 tftp://10.0.0.2/fw.cfg-52
> >
> > 8 tftp://10.0.0.2/fw.cfg-53
> >
> > 9 tftp://10.0.0.2/fw.cfg-54
> >
> > 10 tftp://10.0.0.2/fw.cfg-55
> >
> > 11 tftp://10.0.0.2/fw.cfg-56
> >
> > 12 tftp://10.0.0.2/fw.cfg-57
> >
> > 13 tftp://10.0.0.2/fw.cfg-58
> >
> > 14 tftp://10.0.0.2/fw.cfg-59
> >
> > fw#*configure replace tftp://10.0.0.2/fw.cfg-66 list*
> >
> > 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*
> >
> > Loading fw.cfg-66 from 10.0.0.2 (via FastEthernet0/0): !
> >
> > [OK - 2150 bytes]
> >
> > rest deleted
> >
> >
> >
> > On Wed, Nov 5, 2008 at 5:58 PM, Ovais Iqbal <ovais.iqball@yahoo.com>
> > wrote:
> >
> > > Well pardon me if i am mistaken but what i understand is that
> > > If start-up config is at default and by copying it to running-config,
> all
> > > of the running config will be rolled backed or kinda erased right ? if
> > that
> > > what you mean then i have tried it before and it doesnt work. If a
> > command
> > > is there in running-config and you are not issuing its negate through
> > "no",
> > > then the command will remain present in running-config.
> > >
> > > Correct me if i am wrong
> > >
> > > --- On Wed, 11/5/08, Fahad Khan <fahad.khan@gmail.com> wrote:
> > > From: Fahad Khan <fahad.khan@gmail.com>
> > > Subject: Re: undo in IOS
> > > To: "Supreme Nkosi" <supreme.nkosi@gmail.com>
> > > Cc: yungli2008@gmail.com, ccielab@groupstudy.com
> > > Date: Wednesday, November 5, 2008, 10:39 AM
> > >
> > > by "copy start run" , all the configurations made from the start will
> > > be
> > > rolled back. I think youngli2008 is asking for single command rollback.
> > >
> > > On 11/5/08, Supreme Nkosi <supreme.nkosi@gmail.com> wrote:
> > > >
> > > > If I understand your question correctly - you can as stated below use
> > the
> > > > "no" keyword or alternatively, that`s if you have not saved do a
> > > "copy
> > > > start run" to rollback.
> > > >
> > > > hope this helps
> > > > spin
> > > >
> > > >
> > > > On Wed, Nov 5, 2008 at 11:51 AM, <yungli2008@gmail.com> wrote:
> > > >
> > > > > Is any UNDO method is there in IOS?
> > > > > I mean If I wrongly entered a command I want to undo it. is it
> > > possible?
> > > > > Thanks
> > > > > Li
> > > > >
> > > > >
> > > > > Blogs and organic groups at http://www.ccie.net
> > > > >
> > > > >
> > > _______________________________________________________________________
> > > > > Subscription information may be found at:
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> > > >
> > > >
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> > > >
> > > >
> _______________________________________________________________________
> > > > Subscription information may be found at:
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> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > Fahad Khan
> > >
> > >
> > > Blogs and organic groups at http://www.ccie.net
> > >
> > > _______________________________________________________________________
> > > Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
> > >
> > >
> > > Blogs and organic groups at http://www.ccie.net
> > >
> > > _______________________________________________________________________
> > > Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> > --
> > Victor Cappuccio
> > CCIE R/S# 20657
> > CCSI# 30452
> > www.anetworkerblog.com
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>
-- Gregory Wendel Springfield VA, 22153Blogs and organic groups at http://www.ccie.net
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