[rancid] Re: Pulling down context configs from a Cisco FWSM

Rob Shepherd rob at techniumcast.com
Wed Mar 28 14:30:46 UTC 2007

Lance wrote:
> Rob,
> When you do a "show run" after changing contexts does it give you a
> slightly different config or an entirely different config.

It's an entirely different config. Each context is like a virtual PIX.
(until you get down to feature completeness and command compatability 
that is :) )

> Unfortunately at my place of business we only have a need to run 2
> basic contexts, the default admin and system. So I don't work with
> them.
> I don't intend on this being a context session 101, but why do you
> create contexts for each customer you have (as it appears to me)? You
> might enlighten me and I might switch to such a model. :-D

I do this because it permits me to hand off control of a context to a 
particular customer, if they want to do the config themselves.

They can then SSH or PDM independently.

Also there is some limitations with things like DNS/DHCP. I havn't found 
a way to have different DNS server options outputted by the dhcpd 
service on different interfaces. Same for extra options, like vendor 
specific 43, which different for each customer, for Alcatel AVA.

I'm really eager to get the context's + system backed up automatically 
by rancid. I do it manually at present. :(

If there's anything I can do to progress the development of such a 
feature, somebody please enlighten me. I'm not a perl devel though, but 
there's one sat next to me, who isn't a network engineer however. If I 
know what to code I can help get it done.....
But i need the input from somebody who knows the architecture of rancid....



Rob Shepherd BEng PhD | Computer and Network Engineer | CAST Ltd
Technium CAST | LL57 4HJ | http://www.techniumcast.com
rob at techniumcast.com | 01248 675024 | 077988 72480

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