Author: Simon Capstick Date: To: Hampshire LUG Discussion List Subject: Re: [Hampshire] Routing traffic
Simon Capstick wrote: > Hi John,
>
> John Hunt wrote:
>> Hi,
>>
>> I have a wireless router at home which I connect to using my laptop and
>> network manager on Ubuntu 7.10.
>>
>> I have a PC running debian etch which I'd like to connect to the same
>> network via the ethernet card in my laptop and a crossover cable. This
>> is where I become lost.
>>
>> The wireless router dishes out IPs in the 192.168.1.1 - 254 (I don't
>> know how to do that CIDR stuff or whatever it is) range via it's built
>> in DHCP server, my laptop picks up one of these IPs, it'd be nice if the
>> Debian box transparently* picked up an IP also...as if it were plugged
>> directly into the router.
>>
>> One thing I don't want is for the routing to be all weird, I don't want
>> to make the wireless router a hop when transfering large files between
>> the laptop and PC (wireless can be very slow for big files!)
>>
>> If anything needs a static IP, that's not really a problem either.
>>
>> To make it a bit clearer:
>>
>> ADSL---3com_router- - -laptop---debian
>>
>> --- represents a physical line
>> - - - represents a wireless connection
>>
>> When it comes to iptables and all that kind of thing, I'm fairly lost.
>>
>> If anyone can point me in the right direction, I'd be eternally
>> grateful!
>>
>> Thanks,
>> John.
>>
>>
>
> I think you need to look at bridging your laptop's ethernet NIC and
> wireless NIC. You will need the bridgeutils (not sure of Ubuntu's
> package name). You basically will need to create a bridge then add the
> two NIC's to it. That way your Debian PC will think it's directly
> connected to your network and can use DHCP etc. Don't forget to add
> your Debian desktop PC's MAC address to the wireless router if it has
> MAC authorisation.
>
> Simon
>
...I should add that brctl is the command you will need...
