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Re: [PATCH/RFC] disallow vlan devices on top of a logical bridge device

To: Bart De Schuymer <bdschuym@xxxxxxxxxx>
Subject: Re: [PATCH/RFC] disallow vlan devices on top of a logical bridge device
From: Krzysztof Halasa <khc@xxxxxxxxx>
Date: 30 Aug 2003 23:16:00 +0200
Cc: "David S.Miller" <davem@xxxxxxxxxx>, Stephen Hemminger <shemminger@xxxxxxxx>, Ben Greear <greearb@xxxxxxxxxxxxxxx>, netdev@xxxxxxxxxxx
In-reply-to: <200308301504.03241.bdschuym@xxxxxxxxxx>
References: <200308301504.03241.bdschuym@xxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
Bart De Schuymer <bdschuym@xxxxxxxxxx> writes:

> The patch below disables making vlan devices on top of bridge
> devices, f.e. br0.12 would be impossible.
> I'm no vlan expert, but I don't see the use for this

There could be some - I'm not using such setup, but I can imagine
doing trunk bridging.
This is sometimes used with dumb (non-VLAN but 1518 bytes-capable)
switches. With Linux, it might be used as well, especially if someone
wants STP to manage trunks and not VLANs (with many VLANs it may
make perfect sense)
-- 
Krzysztof Halasa, B*FH

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