On Mon, Jul 05, 2021 at 04:13:07PM +0200, Nicolas George wrote: > tomas@tuxteam.de (12021-07-05): > > Yes: ip_forward should be 1. > > Forwarding should not be necessary for connecting on the matching IP > address. If ethA has IP-A and is connected to net-A and ethB has IP-B > and is connected to net-B, then forwarding is not necessary to connect > to IP-A from net-A nor to IP-B from net-B > > Forwarding would be necessary to connect to IP-A from net-B or IP-B > from net-A without taking a round trip, but it also requires that the > router on the networks knows about it. As I understood the OP, this is the ultimate goal. That said... > > Besides, and judging from the paragraph quoted above, your box seems > > to lose the route to the local network (192.168.xxx.xxx) once the > > other is connected. > > If this is true, then this is the issue and forwarding is irrelevant. ...this has to be taken care of first, definitely :) Cheers - t
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