Good find Mohsin. So it's only missing clamping on RX. I'm sure Miklos can add that.
Cheers, Ole > On 28 May 2020, at 12:23, Mohsin Kazmi (sykazmi) <syka...@cisco.com> wrote: > > Hi Miklos, > > May be, it will help https://gerrit.fd.io/r/c/vpp/+/15144 > > -br > Mohsin > From: <vpp-dev@lists.fd.io> on behalf of Ole Troan <otr...@employees.org> > Date: Thursday, May 28, 2020 at 11:23 AM > To: Miklos Tirpak <miklos.tir...@emnify.com> > Cc: "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> > Subject: Re: [vpp-dev] generic TCP MSS clamping > > Hi Miklos, > > > I see the NAT plugin already supports TCP MSS clamping but it is > > implemented only in in2out direction. > > > > We have endpoints with wrong MTUs behind tunnels and not all the traffic is > > NATed. Hence, it would be very nice to have generic support for MSS > > clamping that could be enabled on the tunnel interface. > > > > Do you think implementing this as a feature arch would make sense? Then it > > would not be limited to NAT or to one kind of tunnel for example. > > If so, what is the best place? A new plugin? > > A bidirectional TCP MSS adjust would be fine. > Putting it in a plugin is likely the simplest. > > I'm unsure if it should be generic or not. E.g. the NAT also needs to adjust > the TCP checksum, and it's likely better to do it only once. > > Best regards, > Ole >
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#16553): https://lists.fd.io/g/vpp-dev/message/16553 Mute This Topic: https://lists.fd.io/mt/74499850/21656 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
