I think you are looking for what is called "punting": https://fd.io/docs/vpp/master/gettingstarted/developers/punt.html
ben > -----Original Message----- > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Jinlei Li > Sent: mardi 1 septembre 2020 04:21 > To: vpp-dev@lists.fd.io > Subject: Re: [vpp-dev] How to forward specific traffic to Linux kernel > when using IPV6 address on VPP physical port? > > > > > By the way, The application on Linux also can start a tcp connection or > send packet out first through veth and VPP, hope this scenario can also be > satisfied. > > > > > At 2020-09-01 10:06:35, "Jinlei Li" <liefeng...@163.com> wrote: > > > > Dear VPP experts, > > If we configure an IPV6 address on the physical port managed by VPP, > some traffic to this IPV6 address should be handled by VPP, but some > specified traffic (use port + protocol type to identify, like ssh) need to > be forwarded to Linux kernel, I can use veth or tun/tap to connect VPP and > Linux kernel. For IPV4 scenario, I can use nat44. But how shall I do for > IPV6 scenario. I considered NAT64, but seems it need some prefix to > identify whether process the traffic or just forward to ipv4 domain, so it > will be another different IPV6 address., this is not as expected. > > Please kindly give some advice, thanks. > > Jerry > > > > > > > > >
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