[c-nsp] BGP, RIP and default routes advice

[Sam Stickland]

Is there an RIP equivalent of BGP's 'neighbor default-originate'?

( 
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/iprrp_r/ip2_n1g.htm#wp1037042
)

In fact, a quick google search has just shown me that there is :)

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/np1_r/1rprt1/1rrip.htm#1017420

Looks like this ought to do the trick:

router rip
  default-information originate

If it works like the bgp default-originate there's no need to have a 
default route on the borders for this to work.

Sam

On Thu, 5 Aug 2004, Marco Matarazzo wrote:

> Hi all,
>
> I've a little question to ask about default routes and their redistribution
> in RIP.
>
> Right now I've two border 7200s speaking eBGP with two ISPs, and iBGP
> between them. The eBGP peers are full, without default. The internal router
> now is an OpenBSD with zebra, taking participating in the iBGP peers. No
> problems so far, zebra has the full routing tables, and knows how to route
> packets in the world.
> We're in the process of removing the OpenBSD router, and install some
> 3550-48-SMIs as customer facing routers. They'll run RIP (it's SMI) with the
> two borders, and redistribute the connected customer routes to them. Of
> course those 3550s must also have a default route. And this is the problem.
> I don't want to configure a couple of static ones, since it's all ethernet,
> and the interfaces won't go down, and the backup default will never catch
> in. Also I don't take default from the upstreams, so I must create one on
> the borders. Connection to the upstreams is also ethernet, so no statics
> here. From what I understand, I'll have to use the ip default-network
> statement, but which network to use? Have you any suggestion?
> Could I just take the network number of a couple large NAPs in the region,
> hoping that they won't do a mantainance of the electrical panels in the same
> hours of the same day? :)
>
> TIA!
> ]\/[arco
>
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