how can i bridge 2 network interfaces?

Hello, I have a problem with bridging 2 different networks
We have already a network with ips like 10.165.0.1 and subnet mask
255.255.255.224 and we have a linux box running slackware 10.
With this box we want to bridge 10.165.0.0 network with a new one 10.166.0.0
(subnet 255.255.255.224)
We dont know how to bridge them... Any ideas?
the linuxbox has eth0 and eth1. eth0 = 10.165.0.0 and i couldnt find out how
to configure eth1 as 10.165.0.0
Any ideas?
thanks

Christos Panagiotakis wrote:

> Hello, I have a problem with bridging 2 different networks
> We have already a network with ips like 10.165.0.1 and subnet mask
> 255.255.255.224 and we have a linux box running slackware 10.
> With this box we want to bridge 10.165.0.0 network with a new one
> 10.166.0.0 (subnet 255.255.255.224)
> We dont know how to bridge them... Any ideas?
> the linuxbox has eth0 and eth1. eth0 = 10.165.0.0 and i couldnt find out
> how to configure eth1 as 10.165.0.0
> Any ideas?
> thanks

Why don't you just want to route? ( to enable routing type: 'echo 1
> /proc/sys/net/ipv4/ip_forward')

setup your network-devices using ifconfig:

'ifconfig eth0 10.165.0.1 netmask 255.255.255.224 up'
'ifconfig eth1 10.166.0.1 netmask 255.255.255.224 up'

Note:
=========

1st network:

Address: 10.165.0.1 00001010.10100101.00000000.000 00001
Netmask: 255.255.255.224 = 27 11111111.11111111.11111111.111 00000
Wildcard: 0.0.0.31 00000000.00000000.00000000.000 11111
=>
Network: 10.165.0.0/27 00001010.10100101.00000000.000 00000 (Class
A)
Broadcast: 10.165.0.31 00001010.10100101.00000000.000 11111
HostMin: 10.165.0.1 00001010.10100101.00000000.000 00001
HostMax: 10.165.0.30 00001010.10100101.00000000.000 11110
Hosts/Net: 30 (Private Internet)


2nd network:

Address: 10.166.0.1 00001010.10100110.00000000.000 00001
Netmask: 255.255.255.224 = 27 11111111.11111111.11111111.111 00000
Wildcard: 0.0.0.31 00000000.00000000.00000000.000 11111
=>
Network: 10.166.0.0/27 00001010.10100110.00000000.000 00000 (Class
A)
Broadcast: 10.166.0.31 00001010.10100110.00000000.000 11111
HostMin: 10.166.0.1 00001010.10100110.00000000.000 00001
HostMax: 10.166.0.30 00001010.10100110.00000000.000 11110
Hosts/Net: 30

That means each of your networks my at least have maximum 30 computers. The
first useable ip in your network is 10.165.0.1/10.166.0.1, the last one is
10.165.0.30/10.166.0.30!

"Christos Panagiotakis" <(E-Mail Removed)> said:
>Hello, I have a problem with bridging 2 different networks
>We have already a network with ips like 10.165.0.1 and subnet mask
>255.255.255.224 and we have a linux box running slackware 10.
>With this box we want to bridge 10.165.0.0 network with a new one 10.166.0.0
>(subnet 255.255.255.224)

I think you may have a terminology error here -- bridging would be to
connect two distinct media (f.ex. Ethernet) segments belonging to the
same IP network. What you describe here is apparently need for routing
between two distinct IP networks (that coincidentally also are located
into distinct media segments).

It looks like the other response already contained at least most of the
needed things for setting up the routing.
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