Date: Wed, 28 Apr 1999 11:23:17 -0500 (EST) From: Alfred Perlstein <bright@rush.net> To: Erik de Zeeuw <erik.dezeeuw@wanadoo.fr> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Problem with ethernet bridging with FreeBSd Message-ID: <Pine.BSF.3.96.990428112032.10204V-100000@cygnus.rush.net> In-Reply-To: <37271F1C.819B030A@wanadoo.fr>
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On Wed, 28 Apr 1999, Erik de Zeeuw wrote:
> Hi,
>
> I would like to have a freebsd pc acting as an ethernet bridge, but I
> can't
> get it to work correctly.
>
> I compiled my kernel with the "options BRIDGE", with no errors. Then I'm
> turning the bridge on using the sysctl variables listed in the manpage,
> and it seems to be Ok.
>
> The problem is the packets does not travel from one ethernet to the
> other,
> except when they come from the freebsd bridge itself. The bridge sees
> everything, ping every machines on both ethernets, but that's all.
> Machines
> on one ethernet does not see any of the other ethernet's machines.
>
> The FreeBSD version is the 3.1 4CD set of Walnut Creek, March 1999. I'm
> using a P200, 32Mb, with 2 pci ne2000 cards wich are working fine.
>
> One card is ed1, with an ip adress, and the other is ed2 with no ip
> adress. Both are put in promisc mode when I'm setting the
> net.link.ether.bridge
> variable to 1.
I don't have anything to test this, but can you try assigning an IP
address to the second interface?
and are you sure you read this part of the manpage for "bridge":
net.link.ether.bridge_ipfw
Set to 1 to enable ipfw filtering on bridged packets. Note that ipfw
rules only apply to IP packets. Non-IP packets are subject to the default
ipfw rule (number 65535) which must be an allow rule if we want ARP and
other non-IP packets to flow through the bridge.
?
make SURE both interfaces are "ifconfig <card> up"
-Alfred
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