[c-nsp] redistribute subscriber route leaking on ASR9k

[Nathan Ward]

On 5 May 2015 at 18:51:58, Gert Doering (gert at greenie.muc.de) wrote:
Hi,  

On Mon, May 04, 2015 at 10:04:49PM +0000, Pshem Kowalczyk wrote:  
> 2. Run a cable between two interfaces on the same router (instead of  
> import/export).  

Can you do that with a tunnel interface?  

("Cable" on ASR9k implies "two physical ports", and they don't exactly  
come cheap...)  

I wish, not on ASR9k, no VASI. Apparently they intended to do VASI but can’t because of some limitations in the hardware in terms of number of times they can process a single packet. Some of the old docs even have it in sample printouts, I suspect they’re from CRS-1 which does support VASI.
They should make some loopback cards like the 7750 has to enable it to stick L3 interfaces in to a L2 service, haha.

ASR9k MPAs are much cheaper than ASR1k SPAs, so if you’ve got a spare holes for those you’ll do OK.

In my case, because we’re moving lots of packets between these VRFs, a cable won’t really work for us either. If it was customer<->customer traffic we could probably get away with it.

So, I’m collecting cases where people have hit this problem and have had to work around it for my SE to take upstairs, if anyone else is impacted by it hit me up of list and we’ll try get it fixed.

-- 
Nathan Ward