[VLAN] Newbiew question: Need some clarifications in 802.1q and bridging code interaction in linux

[greearb at candelatech.com (Ben Greear)]

Peter Stuge wrote:
> On Tue, Jun 06, 2006 at 09:45:38AM -0700, Stephen Hemminger wrote:
> 
>>>In Linux implememtation a bridge means a broadcast domain, so for
>>>example  if I need to support all 4096 vlans then I need to create
>>>4096 bridging entities and attach the specific subports like
>>>eth01.2, eth01.3 etc to bridge for that vlan.
> 
> 
> To clarify further, if you want to bridge all VLANs on eth0 with eth1
> just add eth0 and eth1 to the bridge. But that will assume that all
> VIDs are the same on both ports.
> 
> If eth0.2 should be bridged with eth1.3 and so on, then you will need
> one bridge per VLAN. Remember to set:
> vconfig set_name_type DEV_PLUS_VID_NO_PAD
> 
> ..if it isn't already set.
> 
> ..and what happened to the vconfig set_bind_mode option that was
> required for this? (Or did PER_DEVICE become the default, I seem to
> recall this being the case?)

VLAN always uses the BIND_PER_DEVICE behaviour now.

Ben

> 
> 
> //Peter
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-- 
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com