netdev - Re: [PATCH] bridge: Forward EAPOL when STP off

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Message-ID: <20110604224209.5c784729@s6510.ftrdhcpuser.net>
Date:	Sat, 4 Jun 2011 22:42:09 +0900
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Nick Carter <ncarter100@...il.com>
Cc:	netdev@...r.kernel.org, benjamin.poirier@...il.com,
	davem@...emloft.net, shemminger@...ux-foundation.org
Subject: Re: [PATCH] bridge: Forward EAPOL when STP off

On Thu, 2 Jun 2011 16:59:13 +0100
Nick Carter <ncarter100@...il.com> wrote:

> Signed-off-by: Nick Carter <ncarter100@...il.com>
> 
> If STP is disabled then forward frames destined to the 802.1X PAE group
> address (01-80-C2-00-00-03)
> 
> This change is required to support virtual machines running an 802.1X
> supplicant and bridged to an ethernet interface.
> 
> This change has been tested and works fine with a range of supplicants.

No. This is getting messy and starts down the path of the recent
802.3ad change which just got reverted. A better solution is needed
than individual hacky standards breaking. If you really need to do
this, use the "duct tape" of networking ebtables.

See also:
https://lists.linux-foundation.org/pipermail/bridge/2007-November/005638.html
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