two interfaces, same range

Glenn Satchell Glenn.Satchell at uniq.com.au
Wed Jul 4 23:24:15 UTC 2007


Look at the documentation / websites for your operating system and
google. That's way beyond the scope of this list...

regards,
-glenn

>bridge is a good idea? where can i find more information about how to 
>configure this?
>
>thanks
>
>Simon Hobson escreveu:
>> mateus wrote:
>>   
>>> first of all thanks for the answers..
>>>
>>> i'll try to explain better
>>> i have a lan with 30 computers, 2 switches and 1 server with 2
>>> interfaces, each interface is conected in differents switch.
>>> eth0 has the ip 192.168.0.1 and eth1 192.168.1.1
>>> im using this configuration
>>>
>>> subnet 192.168.0.0 netmask 255.255.255.0 {
>>> range 192.168.0.10 192.168.0.100;
>>> option routers 192.168.0.1;
>>> <other options>
>>> }
>>>
>>> subnet 192.168.1.0 netmask 255.255.255.0 {
>>> range 192.168.1.100 192.168.1.200;
>>> option routers 192.168.1.1;
>>> <other options>
>>> }
>>>
>>> is working well, but i would like to use the same range (of course i'll
>>> change de ip in each interface)
>>> something like this:
>>>
>>> #eth0 with ip 192.168.0.1
>>> range 192.168.0.10 192.168.0.100;
>>> option routers 192.168.0.1;
>>> <other options>
>>> }
>>>
>>> #eth1 with ip 192.168.0.2
>>> subnet 192.168.0.0 netmask 255.255.255.0 {
>>> range 192.168.0.101 192.168.0.200;
>>> option routers 192.168.0.2;
>>> <other options>
>>> }
>>>     
>>
>> Right, so you want the SAME subnet on two interfaces, with each 
>> interface connected to a separate switch (and presumably no other 
>> link between the switches).
>>
>> This would not be a valid IP network setup unless you do one of two things :
>>
>> 1) Configure the server box as a bridge. In that case the bridge 
>> interface has a single IP address but neither of the ethernet 
>> interfaces would have their own address.
>>
>> 2) Link the two external switches together to make the two networks 
>> into a single network.
>>
>>
>> However, as per earlier posts from myself and Glenn, in neither case 
>> can you specify clients by interface - and I'm not sure how the dhcp 
>> server will work in a bridge device (to do with the way it handles 
>> interfaces at a low level in the OS).
>>
>>
>>   
>
>


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