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Date:      Thu, 3 Aug 2000 19:35:19 -0400 (EDT)
From:      "Vladimir N. Silyaev" <vsilyaev@mindspring.com>
To:        rwatson@FreeBSD.ORG
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: vmware changes result in nasty bridging mess
Message-ID:  <200008032335.TAA01440@jupiter.delta.ny.us>
In-Reply-To: <Pine.NEB.3.96L.1000802193745.97709C-100000@fledge.watson.org>
References:  <Pine.NEB.3.96L.1000802193745.97709C-100000@fledge.watson.org>

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In muc.lists.freebsd.hackers, you wrote:
>
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>bridge_in-- reading table
>...
>
>The vmware2 port now seems to enable bridging by default, and generate a
>kernel message for every ethernet packet sent.  
FreeBSD bridge code doesn't have any vmware related modifications. Only
one modification what was impelmented, it's a special sysctl
net.link.ether.bridge_refresh, which provied support for loadable
ethernets drivers. The rest of bridging code didn't touched at all.

>Bridging on by default may
>have nasty side effects for multi-interface machines (especially security
>side effects). 
It's several ways to work around about that:
- compile kernel without bridging support.
- remove bridge starting code vmware.sh file in rc.d directory.
- create special bridge cluster with one real interface and with one emulated

>I haven't read the code (I admit) but I finding the
>current behavior both (a) irritating (messages) and (b) worrying
>(unpredicted bridging with potential side effects).
I don't know I never seen such effect. Could you to do more testing
about that.

--
Vladimir 


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