[j-nsp] BGP add-path on QFX

[Vincent Bernat]

 ❦ 27 janvier 2017 14:17 GMT, <adamv0025 at netconsultings.com> :

>> I am using some QFX as route reflectors and would like to use BGP add-path
>> feature. The documentation says that QFX is a supported platform[0] while
>> the feature explorer says no QFX has support for that[1].
>> 
>> [0]:
>> http://www.juniper.net/techpubs/en_US/junos16.1/topics/example/bgp-
>> add-path.html
>> [1]: https://pathfinder.juniper.net/feature-explorer/feature-
>> info.html?fKey=3294&fn=For+internal+BGP+(IBGP),+advertise+multiple+pat
>> hs+to+a+destination
>> 
>> I have upgraded some QFX to 16.1R3 but there is no difference with
>> 14.1X53-D40: add-path is an hidden command and only "receive" is available
>> ("send" is not accepted):
>> 
>>   set protocols bgp group batman family inet unicast add-path send ...
>> 
>> I have also tried on MX104 running 14.1R8. Feature explorer says this
> should
>> be supported since 13.2R2. But I am in the exact same situation:
>> add-path is a hidden command and only "receive" is available.
>> 
>
> Is the RR use in MPLS-VPNs environment or just pure L3-IPv4/6 environment?
> If it's MPLS-VPNs environment, then you don't need add-path.

It's in a pure L3-IPv4/IPv6.

> Also if ORR is supported on QFX by any chance you might want to try that
> instead of add-path.
> Does it take the below? 
> set protocols bgp group batman optimal-route-reflection

Yes, it's accepted. But my goal is to get load balancing to a set of
hosts, not optimal path (all routes are equal in my setup). My
understanding of the above option is that it still selects only one
route.
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