[rancid] Re: Backing up Routers behind Cisco Router in VRF instance

Michael Stefaniuc mstefani at redhat.com
Fri Mar 16 16:14:45 UTC 2007

Flavio Curti wrote:
> Hello
> I'm trying to backup cisco-routers behind another cisco router. This
> should work using the usercmd patch. However I have two problems:
>  - The routers are in vrf instances on the router, so i have to login
>    like this: telnet routerip /vrf vrfinstance
> - the routers have the same internal ip-addresses, so i can have a
>    router on in vrf "one" and vrf "two"
> Can I do this using the usercmd command? Do I have to make a public dns
Yes; put that in the usercmd_chat command. Something like the below
should do:
add usercmd_chat   {>} {telnet /vrf one\r} {User
Access Verification\r} {}

> entry for every router I have?
Dosn't need to be a public IP, but you need to be able unambiguously
identify your devices. You could do that by virtually assigning other IP
addresses to the devices in the vrfinstance "two". E.g.:

add usercmd_chat   {>} {telnet /vrf two\r}
{User Access Verification\r} {}

Michael Stefaniuc               Tel.: +49-711-96437-199
Sr. Network Engineer            Fax.: +49-711-96437-111
Red Hat GmbH                    Email: mstefani at redhat.com
Hauptstaetterstr. 58            http://www.redhat.de/
D-70178 Stuttgart

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