Multiple Network Cards

[Paul Howarth]

Jonathan Allen wrote:
>>Have a look at the Fedora examples at http://www.shorewall.net/bridge.html 
>>(about halfway down the page) for ifcfg-br0 and ifcfg-eth*
> 
> OK, I have put the FC scripts in place as ifcfg-eth[012] and ifcfg-br0,
> and put the script as /etc/rc.d/init.d/network

What script? You've overwritten the existing /etc/rc.d/init.d/network? You 
shouldn't need any script on Fedora.

> The system seems to come up sane and working internally.  However, it
> cannot 'ping' out, or be 'ping'ed in by another machine on the LAN.  Both
> say 'no route to host'
> 
> ifconfig now says:
> 
>    br0       Link encap:Ethernet  HWaddr 00:00:00:00:00:00  
>              inet addr:192.168.1.64  Bcast:192.168.1.255  Mask:255.255.255.0
>              inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
>              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>              TX packets:27 errors:0 dropped:0 overruns:0 carrier:0
>              collisions:0 txqueuelen:0 
>              RX bytes:0 (0.0 b)  TX bytes:1302 (1.2 Kb)
>    
>    eth0      Link encap:Ethernet  HWaddr 00:50:22:20:2F:67  
>              inet6 addr: fe80::250:22ff:fe20:2f67/64 Scope:Link
>              UP BROADCAST MULTICAST  MTU:1500  Metric:1
>              RX packets:45 errors:0 dropped:0 overruns:0 frame:0
>              TX packets:0 errors:5 dropped:0 overruns:0 carrier:10
>              collisions:0 txqueuelen:1000 
>              RX bytes:4493 (4.3 Kb)  TX bytes:0 (0.0 b)
>              Interrupt:11 Base address:0x8c00 
>    
>    eth1      Link encap:Ethernet  HWaddr 00:50:22:20:22:03  
>              inet6 addr: fe80::250:22ff:fe20:2203/64 Scope:Link
>              UP BROADCAST MULTICAST  MTU:1500  Metric:1
>              RX packets:426 errors:0 dropped:0 overruns:0 frame:0
>              TX packets:0 errors:5 dropped:0 overruns:0 carrier:10
>              collisions:0 txqueuelen:1000 
>              RX bytes:29611 (28.9 Kb)  TX bytes:0 (0.0 b)
>              Interrupt:10 Base address:0xa000 
>    
>    eth2      Link encap:Ethernet  HWaddr 00:50:22:28:04:59  
>              inet6 addr: fe80::250:22ff:fe28:459/64 Scope:Link
>              UP BROADCAST MULTICAST  MTU:1500  Metric:1
>              RX packets:48 errors:0 dropped:0 overruns:0 frame:0
>              TX packets:0 errors:5 dropped:0 overruns:0 carrier:10
>              collisions:0 txqueuelen:1000 
>              RX bytes:6055 (5.9 Kb)  TX bytes:0 (0.0 b)
>              Interrupt:5 Base address:0xfc00 
>    
>    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:1847 errors:0 dropped:0 overruns:0 frame:0
>              TX packets:1847 errors:0 dropped:0 overruns:0 carrier:0
>              collisions:0 txqueuelen:0 
>              RX bytes:1821804 (1.7 Mb)  TX bytes:1821804 (1.7 Mb)
>    
>    
> I set the bridge IP address to 192.168.1.64, with a netmask of 255.255.255.0
> The other machine on the LAN is at 192.168.1.10
> 
> route says:
> 
>    Kernel IP routing table
>    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
>    192.168.1.0     *               255.255.255.0   U     0      0        0 br0
> 
> It seems so close, but something is still missing - any ideas ?

Hmm, nothing really stands out to me as being wrong there.

Can you ping localhost? Can machines on different segments of the bridge see 
each other?

Paul.