[c-nsp] IOS-XR BCP for EIGRP default route

[Randy]

IIRC default-info originate for eigrp was introduced in nx-os. ios and ios-xr don't have it.
ios for eigrp had this idiotic concept carried-over from IGRP of default-gateway.

<end rant>
./Randy

--- On Sun, 6/2/13, Jason Lixfeld <jason at lixfeld.ca> wrote:

> From: Jason Lixfeld <jason at lixfeld.ca>
> Subject: [c-nsp] IOS-XR BCP for EIGRP default route
> To: "cisco-nsp at puck.nether.net NSP" <cisco-nsp at puck.nether.net>
> Date: Sunday, June 2, 2013, 12:26 PM
> Hi,
> 
> In reading the documentation for EIGRP default route
> advertisement into EIGRP, I'm finding only a few ways to
> accomplish this, based on my current topology.
> 
> In vrf foo, I have a default route redistributed from static
> on an upstream PE router.  I want to get that default
> route sent towards a CE router downstream of my EIGRP-PE.
> 
> Near as I can tell, I can do one of the following to
> accomplish that:
> 
> 1. Redistribute BGP into EIGRP on EIGRP-PE
> 2. Create a summary address on the CE facing interface on
> EIGRP-PE
> 3. Create a static default on EIGRP-PE and redistribute
> static into EIGRP.
> 
> Option 1 seems a little heavy handed relative to the very
> simple method of default-information originate in a protocol
> like ISIS.
> Option 2 seems a little administratively prohibitive in the
> sense of having to add summary-address 100 0.0.0.0 0.0.0.0
> 250 on each and every CE interface.
> Option 3 would require lots of peripheral configuration to
> ensure that default didn't somehow make it's way back
> upstream.
> 
> Is there something a little more elegant or am I faced with
> one of these three options?  In a perfect world,
> isis-like default-information originate would be loverly,
> but I'm not sure if that's possible in EIGRP land.
> 
> Thanks in advance.
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