[c-nsp] App to manage pushing out changes

[Eric Cables]

+1 for RANCID

-- Eric Cables


On Thu, Aug 12, 2010 at 12:42 PM, Brandon Ewing <nicotine at warningg.com>wrote:

> 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                                        (
> nicotine at warningg.com)
>
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