Re: [Hampshire] Routing traffic

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Author: John Hunt
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] Routing traffic
root@feeg:~# /etc/init.d/networking restart


root@feeg:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp


root@feeg:~# ifconfig 
eth0      Link encap:Ethernet  HWaddr 00:0A:E4:35:08:A3  
          inet addr:192.168.1.249  Bcast:192.168.1.255
Mask:255.255.255.0
          inet6 addr: fe80::20a:e4ff:fe35:8a3/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:27 errors:0 dropped:0 overruns:0 frame:0
          TX packets:338 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:5492 (5.3 KB)  TX bytes:40143 (39.2 KB)
eth1      Link encap:Ethernet  HWaddr 00:12:F0:B6:67:38  
          inet addr:192.168.1.100  Bcast:192.168.1.255
Mask:255.255.255.0
          inet6 addr: fe80::212:f0ff:feb6:6738/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1 errors:0 dropped:0 overruns:0 carrier:4
          collisions:0 txqueuelen:1000 
          RX bytes:1599819821 (1.4 GB)  TX bytes:75852497 (72.3 MB)
          Interrupt:11 Memory:d0200000-d0200fff 


lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:56002 errors:0 dropped:0 overruns:0 frame:0
          TX packets:56002 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:8693378 (8.2 MB)  TX bytes:8693378 (8.2 MB)


Not too sure how my eth0 picked up an address like that, but hey!

root@feeg:~# brctl addbr mybridge
root@feeg:~# brctl addif mybridge eth0
root@feeg:~# brctl addif mybridge eth1
root@feeg:~# brctl show
bridge name     bridge id               STP enabled     interfaces
mybridge                8000.000ae43508a3       no              eth0
                                                        eth1
Seems in order..
However, my laptop now has no connectivity! I can't ping my router
(192.168.1.1) etc. I'm not sure about pinging the debian box (it's
totally headless) as I don't know it's IP address.


Here's an output of route after the above commands:
root@feeg:~# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
192.168.1.0     *               255.255.255.0   U     0      0        0
eth1
192.168.1.0     *               255.255.255.0   U     0      0        0
eth0
link-local      *               255.255.0.0     U     1000   0        0
eth0
default         192.168.1.1     0.0.0.0         UG    0      0        0
eth1
default         192.168.1.1     0.0.0.0         UG    100    0        0
eth0


I'm not sure what's going on, but it seems as soon as I bring up the
bridge connectivity just goes.

Any ideas?
Thanks very much in advance!

John.