[VLAN] Multi-vlan on linux

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On Sat, Apr 29, 2006 at 08:11:07PM +0200, Roy-Magne Mo wrote:
> You don't need vlan on the linux server to achieve this, private
> vlan is not different vlan tags on the switch - but usually just
> separate forwarding databases. This way the traffic is always
> forwarded "upstream" to the linux server and never directly between
> each member of the vlan.

Sorry for the confusion. That setup sounds like just what was

> > > This could possibly be achieved with EBtables, but I haven't tried
> > > that. 
> > 
> > Depending on the addressing plan that could get really messy really
> > quickly, especially if the application has no knowledge about the
> > network and lots of translation is required.
> You don't need any translation, what I ment had to be implemented
> with ebtables is the arp behaviour - probably not needed here.

The server has to understand that all this traffic is destined for
the local host, but I guess iptables REDIRECT would do the trick, no
ebtables needed. ARP entries should be picked up from incoming
packets, right?

> This is the way many DSLAM and switches in provider and campus
> settings work.

Yep, that makes sense.


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