Re: XDP redirect - ping fail

Thank you, I am using "xdp_fwd"  and I believe this alone wouldn't be
sufficient Is that correct ?


On Tue, May 16, 2023 at 12:43 AM Marco <[email protected]> wrote:
>
> Sorry, I answered the dhcp part earlier.
> Regarding the Nat, I can tell you that it also works with your XDP
> program if properly configured.
>
> Il giorno mar 16 mag 2023 alle ore 10:36 Marco <[email protected]> ha scritto:
> >
> > I have not much experience with dhcp but ensure first that dhcp
> > packets are not blocked from the xdp program.
> > So as already mentioned, try pinging with zero payloads and check if
> > they get redirected.
> >
> > Il giorno gio 4 mag 2023 alle ore 19:41 team lnx <[email protected]>
> > ha scritto:
> > >
> > > Hello,
> > >
> > > I see a ping not working in below topology with xdp redirect
> > >
> > >
> > > IFACE1 <--------->   IFACE2      IFACE3    <------------------> IFACE4
> > >
> > > IFACE2 and IFACE3 are on same host machine
> > >
> > > IFACE1 and IFACE2 are  on static ip
> > > IFACE3 and IFACE4 are on dynamic ip, IFACE4 runs dhcp server
> > >
> > > steps
> > > 1. assign static ip between IFACE1 and IFACE2 (ex: 172.168.2.x)
> > > 2. dynamic ip between IFACE3 and IFACE4 (ex: 192.168.2.x)
> > > 3. Run xdp redirect on IFACE2 and IFACE3
> > > 4. start ping from IFACE1 to IFACE4
> > >
> > > Are some of the assumptions not right here leading to ping failure ?
> > >
> > > Regards,
> > > teamlnx
> >
> >
> >
> > --
> > E' meglio coltivare GNU/Linux... tanto Windows si pianta da solo!!
>
>
>
> --
> E' meglio coltivare GNU/Linux... tanto Windows si pianta da solo!!