Setting IP address via: ifconfig br0 128.171.103.11 netmask 255.255.255.0 up
eth0 and eth1 do not have an IP assigned.
---
eth0 Link encap:Ethernet HWaddr 00:13:72:FC:84:36
inet6 addr: fe80::213:72ff:fefc:8436/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:237 errors:0 dropped:0 overruns:0 frame:0
TX packets:220 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:23977 (23.4 KiB) TX bytes:28139 (27.4 KiB)
Interrupt:169
eth1 Link encap:Ethernet HWaddr 00:13:72:FC:84:37
inet6 addr: fe80::213:72ff:fefc:8437/64 Scope:Link
UP BROADCAST PROMISC MULTICAST MTU:1500 Metric:1
RX packets:24 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2481 (2.4 KiB) TX bytes:0 (0.0 b)
Interrupt:225
---
Kernel Version: 2.6.9-42.0.2.ELsmp x86_64
Hardware... neither are wireless devices.
04:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11)
05:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11)
On 10/5/06, Stephen Hemminger <[EMAIL PROTECTED]> wrote:
On Wed, 4 Oct 2006 18:20:43 -1000
"Chris U" <[EMAIL PROTECTED]> 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 laptop 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
How are you setting IP addresses on the bridge.
You need to NOT assign IP addresses to eth0, eth1 and assign
an IP address to bridge pseudo device.
What kernel version?
What hardware is being used for eth0 and eth1? Are either one
of these wireless (802.11) devices?
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