netdev - Re: Marvell 88E609x switch?

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Message-Id: <1236070372.30736.87.camel@localhost.localdomain>
Date:	Tue, 03 Mar 2009 09:52:52 +0100
From:	Jesper Dangaard Brouer <jdb@...x.dk>
To:	Gary Thomas <gary@...assoc.com>
Cc:	Jesper Dangaard Brouer <hawk@...u.dk>,
	Lennert Buytenhek <buytenh@...tstofly.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: Marvell 88E609x switch?

On Mon, 2009-03-02 at 15:32 -0700, Gary Thomas wrote:
> Any ideas how I might troubleshoot why packets that come
> into lan1.1 (port 0) aren't being pushed to the CPU port?

The switch supports port monitoring, with seperate ingress and egress
mapping, thus you could place another PC on another port and direct
traffic towards that, and by tcpdump inspecting ingress and egress on
the different physical ports... Thats how I debugged it once...

I also used/implemented the VLAN violation interrupt, while I debugged
the VLAN setup.   The switch also have a ATU (MAC-table) violation
interrupt, perhaps that might tell you something?

-- 
Med venlig hilsen / Best regards
  Jesper Brouer
  ComX Networks A/S
  Linux Network developer
  Cand. Scient Datalog / MSc.
  Author of http://adsl-optimizer.dk
  LinkedIn: http://www.linkedin.com/in/brouer
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