[Voyage-linux] Setup Advice

Beat Meier (spam-protected)
Wed Jul 26 21:37:18 HKT 2006


Andrew Niemantsverdriet wrote:

>Hi,
>
>  
>
>>One possible solution is:
>>
>>Two radios in your WRAP, one 5GHz for the backhaul (Master or Managed)
>>and one 2.4GHz for the local AP.   Don't know if you have the
>>radios/antennas for an 11 mi 5GHz link.  Another option is to look into
>>the new 900MHz radios for your backhaul.
>>    
>>
>
>That is what I want to do. I have really big dishes for the 5ghz link and
>a good fade margin setup. I also have a 2.4ghz card to act as the AP with
>a little panel antenna. What I am confused about is how to set the
>interfaces up.
>
>  
>
Andrew

What do you mean?
The first interface is ath0 the second ath1 if you put 2 wireless cards 
in one wrap.
You must do every operation on the desired interface. i.e.
to set 2.4 GHz on one card use for example:
iwpriv ath0 mode 3
to set 5.8GHz on the other card use:
iwpriv ath1 mode 1

If you mean the ethernet interface ...
You can have several ip addresse on the ethernet interface if this is 
the problem.
I don't know about VPN because I never used it but say you want to nets
1. 10.0.0.X 255.255.255.0
and
2. 192.2.1.X 255.255.255.0
over ethernet
You set up anyone to eth0
ifconfig eth0 XXX
and the second one
ifconfig eth0:1 YYYY
The same is in /etc/network/interfaces.
So you have this 2 nets on the same ethernet interface.

Don't know if this helps ...

>>Also, while not recommended by some, it is possible to run two 2.4GHz
>>radios on a single WRAP with one as backhaul and the other as AP.  Be
>>prepared for some throughput loss and absolutely run as channels 1 & 11
>>to minimize the radio interference.
>>
>>Is bridging a hard and fast requirement?  Routing will give much better
>>control over your traffic and makes things a lot easier.  I have also
>>found that if there is any problem in your bridge configuration you can
>>end up with no access via ethernet whereas a static IP on the port is
>>fairly bullet proof as far as assuring you a reliable access on reboot.
>>    
>>
>
>The backhaul needs to be bridged, I need to see the MAC address that are
>comming across it. I suppose I could forgo that requirment if it really is
>easier to route it. I can mess with the MAC's at the router at the far
>side of the backhaul. The AP does not need to be bridged but that is how I
>have always done it. So mostly what I need is idea on how everything needs
>to be setup maybe with an example so I can copy it and put in my own IP's.
>
>
>  
>
I don't understand the problem of the mac. Why don't you have the mac 
anymore in router mode?

Greetings

Beat

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