Hi,
The bcm5700 driver has known problems with promiscuous mode. Either
don't specify promisc when you up the devices (this is not needed
anyway!) or use the replacement tg3 driver that you can get from:
ftp://ftp.kernel.org/pub/linux/kernel/people/davem/TIGON3/
cheers,
Lennert
On Thu, Mar 21, 2002 at 10:27:35AM -0500, Steve wrote:
> Hi. I've been searching all over for a solution to my problem, but I just
> can't seem to find one. So I'm going to see if anyone on this list can
> help me out.
>
> I've been trying to set up an ethernet bridge on a Linux 2.4.18 kernel for
> several days now. The kernel has the netfilter option turned on and have
> also applied the patch available at
> bridge.sourceforge.net/devel/bridge-nf/bridge-nf-0.0.6-against-2.4.18.diff
> and enabled both bridging and bridge-netfilter support. I'm using
> version 0.9.5 of the bride-utils. Until I get the bridge to work, I won't
> be adding any rules to any of the iptables chains.
>
> The machine I'm trying to use as a bridge has two gigabit ethernet cards
> whose drivers are compiled as modules (thier driver, bc5700.o, is not
> included in the mainstream kernel yet.) The two cards are eth1 and eth2.
> eth1 is connected to a 100Mbit switch (soon to be upgraded to gigabit) and
> eth2 is connected to a gigabit switch. When I boot the kernel without
> configuring a bridge, I can communicate through both interfaces just
> fine. When I start the bridge, the bridge machine can no longer communicate
> with anybody, and traffic does not flow across the bridge. Here's the
> series of commands I use to start the bridge:
>
> brctl addbr br0
> ifconfig eth1 0.0.0.0 promisc up
> ifconfig eth2 0.0.0.0 promisc up
> brctl addif br0 eth1
> brctl addif br0 eth2
> ifconfig br0 X.X.X.154 netmask 255.255.255.128 broadcast X.X.X.255 \
> promisc up
> route add default gw X.X.X.129
>
> After executing those commands, the interface br0 shows up in ifconfig.
> Executing brctl showstp shows:
> br0
> bridge id 8000.00047630877c
> designated root 8000.00047630877c
> root port 0 path cost 0
> max age 20.00 bridge max age 20.00
> hello time 2.00 bridge hello time 2.00
> forward delay 15.00 bridge forward delay 15.00
> ageing time 300.00 gc interval 4.00
> hello timer 1.07 tcn timer 0.00
> topology change timer 15.07 gc timer 1.07
> flags TOPOLOGY_CHANGE TOPOLOGY_CHANGE_DETECTED
>
>
> eth1 (1)
> port id 8001 state forwarding
> designated root 8000.00047630877c path cost 100
> designated bridge 8000.00047630877c message age timer 0.00
> designated port 8001 forward delay timer 0.00
> designated cost 0 hold timer 0.00
> flags
>
> eth2 (2)
> port id 8002 state forwarding
> designated root 8000.00047630877c path cost 100
> designated bridge 8000.00047630877c message age timer 0.00
> designated port 8002 forward delay timer 0.00
> designated cost 0 hold timer 0.00
> flags
>
>
> Additionally, brctl showmacs shows that the bridge is recognizing the two
> macs in the machine and several non-local macs. Trouble is, nobody seems
> to be getting through.
>
> So, thats my predicament. Am I missing something? Does anybody have any
> suggestions? Thanks in advance for your help.
>
> ------------------------------------------------------------------------------
> Stephen P Molloy ____ ____
> U-M College of Engineering (CompE) [ \ / ]
> [EMAIL PROTECTED] | \/ |
> http://www-personal.engin.umich.edu/~smolloy | |\ /| |
> [____]\/[____]
>
> "We are what we repeatedly do. Excellence, therefore, is a habit."
> -Aristotle
> ------------------------------------------------------------------------------
>
>
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