> On 8 Feb 2018, at 8:21 am, Kapetanakis Giannis
> wrote:
>
> On 07/02/18 08:38, David Gwynne wrote:
>> this is a big change to gre, with the main motivation of adding
>> support for gre keys.
>>
>> gre keys are supported by the vnetid ioctls, and works much like
>> vxlan (funny that). by default gre doesnt use a key, but you can
>> set one and change you mind and remove it later. the current code
>> simply skips over the key header, and still accepts it.
>>
>> while here, it adds support for gre over ipv6.
>>
>> on the other hand, it drops support for gre keepalives and wccp handling.
>>
>> gre keepalives dont work if the tunnelled traffic is in a different
>> rdomain to the underlay network. i can add wccp back later though.
>>
>> ok?
>>
>
> Hi,
>
> Not my call but is there a way to leave gre keepalives in place at least for
> non-rdomain setups?
ive put it back in.
cheers,
dlg
>
> We use it in some tunnels with remote branches with some ciscos behind DSL
> lines.
> Keepalives helped us with connection drops.
>
> regards,
>
> G
