[c-nsp] Intra-device routing between VRFs

Bryan Holloway bryan at shout.net
Sat Jan 4 08:34:47 EST 2020

If anyone cares, I figured it out.

In short, I was overthinking the problem and came to the anti-climactic 
conclusion that you can import/export whatever the hell you want as long 
as it's in the RIB. I was under the incorrect assumption that the prefix 
being imported/exported had to be in BGP somehow.

After tweaking my route-policies, I'm a happy camper.

Thanks to everyone who responded both on- and off-list.

			- bryan

On 1/3/20 8:36 PM, Joe Loiacono wrote:
> I take it back -- I misspoke.
>> These prefixes are advertised via BGP, but they are generated locally 
>> ('network' statement), which means their next-hop is I do 
>> believe that is the underlying issue.
>> So to answer your question, I think it's yes: I'm trying to leak IGP 
>> prefixes (or in this case, a static in the "default" VRF) into the 
>> "peering" VRF.
>> Is this possible?
> I recall this frustrating difficulty on the Nexux 7K. In some situations 
> it would work if I used the destination VLAN ID option instead of the 
> destination VLAN interface IP address (for some VLAN in the destination 
> VRF)
> Joe
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