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xen-devel
Re: [Xen-devel] Problem with VLANs on tg3 NICs
I'm still a bit confused as to how the standard linux bridge can work
with VLAN trunks. With a 'real' Ethernet switch you have to enable which
VLANs you want to appear on a port. I'm not aware of the Linux bridge
having such functionality -- I thought you had to set up a separate
bridge for each VLAN then mux/demux them at the physical/virtual NICs.
I'm not expecting it to deliver packets based on vlan membership, I'm just
expecting the normal bridging behavior, but leaving the VLAN tags intact. This
seems to work fine for the e1000 and bnx2 drivers. I'm just speculating but my
guess is that the tg3 driver is stripping the tag before it even hits the
bridge.
Evan
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