Re: Max number of VLAN interfaces

Daniel Ardelian wrote:
> Is there a limit on the maximum number of VLAN interfaces that can be
> created on the same ethernet interface ? Would it work with 45
> (forty-five) VLANs on the same eth ?
> 
> I'm asking this because I have to provide Internet access to a
> building with about 45 rooms and I have to make sure there is no way
> to access the LAN of one room from any other room, so I was thinking
> of using an Allied Telesyn Managed L2 switch with 48 Fast Ethernet
> Ports and a Gigabit uplink, wire each room to a switch port, setup 45
> tagged VLANs, and hook up a Linux router to the Gigabit port. The
> router would have 45 vlan interfaces and routing / iptables SNAT
> should take care of the rest...
> 
> The Internet connection will be wired to another eth interface on the
> router (2 Mbps for start, soon to be upgraded to about 20 Mbps).
> 
> Also, off-topic, but does anyone have any advice on the hardware
> requirements for such a router setup ?

The VLAN code supports thousands of interfaces.  I suggest using
Intel NICs, as they support VLANs well.

Thanks,
Ben

> 
> Thanks in advance !
> 
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-- 
Ben Greear <[email protected]>
Candela Technologies Inc  http://www.candelatech.com