Re: 802.1Q VLAN code, version 0.0.2 is released (PRE-ALPHA)

Matti Aarnio (matti.aarnio@sonera.fi)
Wed, 3 Mar 1999 21:43:20 +0200 (EET)

Ben Greear <greear@cyberhighway.net> wrote:
...
> Next Steps:
> * Grep for TODO and resolve all of those questions.
> * Set up a real network of 2-3 computers and pass VLAN traffic.
> * Overhaul code to allow 4096 VLAN's per computer, not per NIC,
> which is how it works today. This will envolve spanning
> trees and layer 2 switching, I think.
> * Look into bridging VLAN devices to ATM (P/SVC) devices), FrameRelay
> DLCI's and other types of devices.
> * Enable VLANs over other devices, not just ethernet??
> * Debug everything we just broke adding the aforementioned code :)

I am interested at being able to use IEEE802.1Q VLAN tagging capable
switch to supply a large number of separate routing domains to my
Linux box doing routing. Although using e.g. cisco WS-2926XL-EN
to supply such external port multiplexer may at first sound stupid,
(port prices being around USD 100 with that), you will get very soon
into state where you can't add enough network cards into your machine
to do routing in single box anyway, nor much in the staggered lan/box
setup either.

Now having a 802.1Q tagged virtual interface layer would be very
interesting:

eth0(802.1Q) --- VLAN1: eth0.0001 --- IP AA.BB.1.*
|- VLAN2: eth0.0002 --- IP AA.BB.2.*, IPX
|- VLAN3: eth0.0003 --- IP AA.BB.3.*, IPV6
....

Do note that this is *not* the same as IP-aliases!
You would do 'ifup' to 'eth0.0001', which is VLAN entity.

> Please let me know if you have problems or suggestions, I have more
> time to answer them now than before!
>
> Enjoy,
> Ben
> --
> Ben Greear (greear@cyberhighway.net) http://www.primenet.com/~greear

/Matti Aarnio <matti.aarnio@sonera.fi>

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