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Date:      Tue, 8 Nov 2005 20:11:12 +1100
From:      Peter Jeremy <PeterJeremy@optushome.com.au>
To:        Charles Swiger <cswiger@mac.com>
Cc:        arch@freebsd.org
Subject:   Re: ARP request retransmitting
Message-ID:  <20051108091112.GU39882@cirb503493.alcatel.com.au>
In-Reply-To: <036D3BD4-D856-4D50-A7D3-2300EFEA604F@mac.com>
References:  <20051107140451.GU91530@cell.sick.ru> <436F7DDB.40703@mac.com> <p06230904bf9542d696b6@[128.113.24.47]> <20051107224338.GE775@funkthat.com> <CE57F103-4C41-492E-9A5C-789B67A7D158@mac.com> <20051107234548.GF775@funkthat.com> <036D3BD4-D856-4D50-A7D3-2300EFEA604F@mac.com>

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On Mon, 2005-Nov-07 19:49:30 -0500, Charles Swiger wrote:
>does, and what the switch actually does.  In particular, switch  
>vendors have also claimed that VLAN tagging was reliable and secure  
>and that traffic from one VLAN could never leak to a port on another  
>VLAN...)

ISTR that some years ago, I did a check and found that ~0.5% of
packets in our corporate network were being leaked into the incorrect
VLAN.  [Though my memory may be going]  I haven't looked recently.

I've also got a switch that believes that VLANs are only related
to IP - it will happily copy DECnet packets to all switch ports
irrespective of VLAN associations.  (And this switch came from
the company that DEC sold their switch business to).

-- 
Peter Jeremy



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