Re: [j-nsp] Parallel BGP sessions for v6 prefixes over v4 and v6

Andrey Kostin писал(а) 2024-07-23 16:27:
> Andrey Kostin via juniper-nsp писал(а) 2024-07-09 10:10:

Correction, rib-group with policy is used to copy received prefixes to 
inet6.0 on in-line route-reflectors.
For off-ramp RRs to place prefixes into inet6.3 it's enough to configure 
this:
set protocols bgp group internal-v4 family inet6 labeled-unicast 
explicit-null
set protocols bgp group internal-v4 family inet6 labeled-unicast rib 
inet6.3


>>> [...]
>>>> The problem here is that route-reflector selects a path with ipv4 
>>>> mapped
>>>> nexthop and advertises it over ipv6 session. I'm wondering, is 
>>>> anybody
>>>> already encountered this problem and found a solution how to make a 
>>>> RR
>>>> to advertise paths with a correct nexthop?
>>> 
> 
> For those who's interested, the working solution provided by JTAC is
> to place routes received via inet6 labeled-unicast session into rib
> inet6.3 using rib-group. This should be done at least on
> route-reflectors. For on-ramp route-reflectors additional policy
> assigning "no-advertise" community to routes copied into inet6.0 is
> needed to not resend them to other RR_clients via inet6 unicast
> session without explicit-null label.
> 
> Kind regards,
> Andrey
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