[c-nsp] Cisco N540-ACC-SYS ipv4 routes

[Jason Lixfeld]

Will 'set path-color external-reach’ get support on NCS540?

> On Jul 12, 2020, at 1:25 PM, Phil Bedard <philxor at gmail.com> wrote:
> 
> In XR in general we support restricting routes installed in the FIB using table-policy at various locations, but it's done across all NPUs.  This specific feature mixing hi/lo FIB line cards adds another knob to tag certain routes as "external" so we can determine which prefixes to install on cards with only external TCAM.   
> 
> The normal table-policy command is supported on NCS540, some use them as dedicated RRs.   There is a 16 (newer N540-ACC-SYS) and 32 GB (24Z8Q2C-SYS) version of the 540.   
> 
> Thanks, 
> 
> Phil 
> 
> On 7/10/20, 2:10 PM, "cisco-nsp on behalf of Jason Lixfeld" <cisco-nsp-bounces at puck.nether.net on behalf of jason at lixfeld.ca> wrote:
> 
> 
> 
>> On Jul 10, 2020, at 2:56 AM, Mark Tinka <mark.tinka at seacom.com> wrote:
>> 
>>> In the 9K days, they had SVD which did that:
>>> 
>>> https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-3/routing/configuration/guide/b_routing_cg43xcrs/b_routing_cg43xcrs_chapter_010.html#concept_8E1919490E274B9E97F527166CB6EF8A
>>> 
>>> I don’t know if SVD exists for chassis based NCS5K or if SRD^h^h^htable-policy is the new that, but SVD was per-linecard.  Table-policy is a BGP sub configuration, and presumably LC agnostic.
>> 
>> Never heard of SVD, but I found this for the NCS5500:
>> 
>>   https://xrdocs.io/ncs5500/tutorials/mixing-base-and-scale-LC-in-NCS5500/
> 
> 
>   Nice.
> 
>   There’s caveat at the bottom of that article that says it’s not supported on J-based FFF pizza boxes. I wonder why?  I wonder if that applies to Qumran-AX a’la NCS540 too?
> 
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