On Wed, 7 Nov 2018 12:28:21 -0700 David Ahern <dsah...@gmail.com> wrote:
> On 11/6/18 2:39 PM, Stefano Brivio wrote: > > Use a router between endpoints, implemented via namespaces, set a low MTU > > between router and destination endpoint, exceed it and check PMTU value in > > route exceptions. > > > > Reviewed-by: Sabrina Dubroca <s...@queasysnail.net> > > Signed-off-by: Stefano Brivio <sbri...@redhat.com> > > --- > > This only introduces tests over VxLAN over IPv6 right now. I'll introduce > > tests over IPv4 (they can be added trivially) once DF configuration support > > is accepted into iproute2. > > you can add them now and wrapped in a 'does ip support the df option' > check. That is needed regardless of order (kernel vs iproute2). True, I thought about that, but then I also thought that if we end up with a different syntax for the iproute2 command, that becomes ugly. Then yes, the check would be there -- it's actually already there, that || return 1 after the ip-link command. -- Stefano