On 2009-04-19 11.14, "Robert Watson" <rwat...@freebsd.org> wrote:
> On Sun, 19 Apr 2009, Jon Otterholm wrote: > >> I have a router running 6.4R that does not forward packets if I disable >> PROMISC on the interface. Hardware is a Dell PE with two Intel 82541EI >> chipsets (if_em). I have a number (~100) of vlan-interfaces on em0. >> Everything works as aexpected if I turn on PROMISC on em0 but forwarding >> stops if I disable it, I can still communicate with the router directly on >> the same logical network (for example pinging interface adress on a vlan_if >> from a client on that vlan) but all forwarding stops. > > Try disabling hardware VLAN taggging/processing? I believe you should be able > to do this with "ifconfig em0 -vlanhwtag" (substituting appropriate interface > names). It could be there's a bug in how hardware-optimized tag handling is > being managed, as when promiscuous mode is used we re-insert vlan headers in > software for the benefits of BPF. I tried doing this without any luck. Running GENERIC kernconf. //JO > > Robert N M Watson > Computer Laboratory > University of Cambridge > >> >> Some info: >> net.inet.ip.forwarding: 1 >> net.inet.ip.fastforwarding: 0 (enableing this does not help) >> net.inet.tcp.recvspace=1048576 >> net.inet.tcp.sendspace=1048576 >> kern.ipc.maxsockbuf=16777216 >> >> I use PF for filtering and disableing this does not help either. >> >> Anyone with a clue? >> >> //JO >> >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" >> > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
