Re: Bridging 2 tagged vlans together

Sorry I wasn't finish. So basically we were trying to use STP on the switch 
so that we could have a semi-redundant firewall that failed over via rapid 
spanning tree on foundry switches. However when spanning tree is active on 
those ports the bridge stops passing traffic even though spanning tree is 
turned off on the linux box. 

We still need to figure out why this is happening though I need to verify 
that we don't have any other problems with stp on our switches first.

thanks for the help

tim
On 9/14/05, Tim Flowers <[email protected]> wrote:
> 
> So it was a stp issue for some reason when stp is enabled on the switch 
> ports the bridge doesn't work??? 
> 
> On 9/13/05, Taylor, Grant < [email protected]> wrote:
> > 
> > Tim Flowers wrote:
> > > So, this should be simple but i've googled and searched the list 
> > and/or 
> > > documentation and I can't find any usefull documentation.
> > >
> > > I'm trying to bridge 2 tagged vlans together: eth0.10 and eth1.11
> > >
> > > I have tried the following:
> > >
> > > vconfig add eth0 10 
> > > vconfig add eth1 11
> > > brctl addbr br0
> > > brctl addif br0 eth0.10
> > > brctl addif br0 eth1.11
> > >
> > > Is there something that i am missing?
> > 
> > (Matthew mentioned that you need to have your eth0.10 and eth1.11interfaces up and you said that you did have them up.)
> > 
> > Do have br0 up as well?
> > 
> > Did you compile Bridging with NetFilter Hooks enabled (I think that is 
> > what they are called)? If you did you will have to make sure that you have 
> > ip_forward(ing) turned on. Also you will need to make sure that you don't 
> > have any IPTables rules / policies in place to prevent packets from passing 
> > through via "... -i br0 ... -o br0 ...".
> > 
> > I recently did something similar with a box at one of my clients with 
> > out any problems at all. The real only difference with that box is that I 
> > was bridging 24 VLAN interfaces on one card to a non VLAN interface on 
> > another card. Even then things did work just like they should have.
> > 
> > 
> > 
> > Grant. . . .
> > 
> > 
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