Re: [PATCH] net/ipv6: allow device-only routes via the multipath API

[David Ahern]

On 11/18/25 9:47 AM, azey wrote:
> On 2025-11-18 17:04:38 +0100,  David Ahern <dsahern@xxxxxxxxxx> wrote:
>> There is really no reason to take a risk of a regression. If someone
>> wants ecmp with device only nexthops, then use the new nexthop infra to
>> do it.
> 
> My initial reason was that device-only ECMP via `ip route` works with IPv4
> but not IPv6, so I thought it'd make sense to unify functionality - but if
> this is final I won't argue any further.
> 

There was a push many years ago to align v4 and v6 as much as possible.
Certain areas - like ipv6 multipath - proved to be too difficult and
ended up causing regressions.