[Bridge] Bridge Woes...
Chris U
chris.uyehara at gmail.com
Thu Oct 5 00:59:52 PDT 2006
Hi Jothis,
1. When the laptop is connected to the bridge, the laptop cannot ping the
router or any other machine in the subnet.
2. Yes, I have set the gateway of the laptop to 128.171.103.1
By chance do you know how to debug the the bridge?
Mahalo,
Chris
On 10/4/06, Jothis T.V <jothistv at gmail.com> wrote:
>
> Hi Chris,
>
> Just wanted to ensure some basic points here.
>
> 1. Can the laptop ping the router OR any other machine in the subnet
> 128.171.103.0/24?
> 2. Also, hope that you have set the gateway of the laptop as 128.171.103.1
> .
>
> regards,
> Jothis
>
>
> On 10/5/06, Chris U <chris.uyehara at gmail.com> wrote:
>
> > Hi List,
> >
> > I have setup a bridge labeled br0. br0 has an ip address assigned to it.
> > My network looks something similar to this...
> >
> > |--------------------| |--------------------|
> > |------------------|
> > | laptop | | bridge |
> > | router | | 128.171.103.10/24 |->(eth1) | 128.171.103.11/24
> > |(eth0) ----> | 128.171.103.1/24 | | statically assignd | |
> > statically assignd | | tested / working |
> > |--------------------| |--------------------|
> > |------------------|
> >
> > Now for the PROBLEM! The bridge can access IP's outside of the subnet
> > via eth0 of the bridge, ie - pinging 128.171.1.1, 128.171.3.13 ,
> > 64.233.167.99. The laptop cannot ping the previously listed IPs. The
> > only thing the laptop can ping is 128.171.103.11. It's very odd... I
> > tried running tcpdump on the bridge. From the bridge I could see the la=
ptop
> > pinging the bridge but I couldn't see the laptop pinging any other IPs.=
So
> > basically I have a bridge that's not really working but the bridge utils
> > show that its working... any help would be greatly appreciated!
> >
> > (The laptop works when taken off the bridge and connected to the router,
> > the iptables default policy is ACCEPT and the rules are FLUSHED.)
> >
> > Thanks for taking time to read this!
> >
> > ###brctl show br0
> > bridge name bridge id STP enabled interfaces
> > br0 8000.001372fc8436 no eth0
> > eth1
> >
> > ###brctl showstp br0
> > br0
> > bridge id 8000.001372fc8436
> > designated root 8000.001372fc8436
> > root port 0 path
> > cost 0
> > max age 19.99 bridge max
> > age 19.99
> > hello time 1.99 bridge hello
> > time 1.99
> > forward delay 14.99 bridge forward
> > delay 14.99
> > ageing time 299.95
> > hello timer 0.03 tcn
> > timer 0.00
> > topology change timer 0.00 gc
> > timer 7.97
> > flags
> >
> >
> > eth0 (1)
> > port id 8001 state
> > forwarding
> > designated root 8000.001372fc8436 path cost
> > 100
> > designated bridge 8000.001372fc8436 message age
> > timer 0.00
> > designated port 8001 forward delay
> > timer 0.00
> > designated cost 0 hold
> > timer 0.00
> > flags
> >
> > eth1 (2)
> > port id 8002 state
> > forwarding
> > designated root 8000.001372fc8436 path cost
> > 100
> > designated bridge 8000.001372fc8436 message age
> > timer 0.00
> > designated port 8002 forward delay
> > timer 0.00
> > designated cost 0 hold
> > timer 0.00
> > flags
> >
> >
> >
> > _______________________________________________
> > Bridge mailing list
> > Bridge at lists.osdl.org
> > https://lists.osdl.org/mailman/listinfo/bridge
> >
> >
> >
>
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