On Thu, Aug 12, 2010 at 01:24:24PM -0600, Saxon Jones wrote:
> CiscoWorks LMS or even RANCID will work for this. On a box with RANCID
> installed it's done like so:
>
> for host in router1 router2 router3; do clogin -c"config t;no ip
> access list extended asdf;ip access list extended asdf permit any
> any;end;write mem" ${host}; done
>
> -saxon
> RANCID packages a perl script called "par" to run commands in parallel, to speed the actual process with a large number of routers. Check the man page. Also, depending on the platform, and the number of changes to make, you might want to write the config changes to a tftp server, and have the devices copy the changes to running config. On 3560s, 3750s, etc, every time you enter/exit an interface, CPU spikes as the ASICs are scanned/updated, which can slow the process down considerably. Writing the changes from net does all of your changes in one fell swoop. -- Brandon Ewing ([email protected])
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