[CUWiN-Dev] ipnat question + patch
Sascha Meinrath
sascha at ucimc.org
Wed Apr 20 17:44:38 CDT 2005
On Wed, 20 Apr 2005, David Young wrote:
> On Wed, Apr 20, 2005 at 05:07:35PM -0500, Bill Comisky wrote:
>>
>> The CUWiN gateway in our testbed (currently rev 3014) is mapping
>> 10.0.0.0/8 to the address received via DHCP from the LAN in the
>> /etc/ipnat.conf file. Like:
>>
>> map sip0 10.0.0.0/8 -> 192.168.2.104/32 portmap tcp/udp 10000:20000 map
>> sip0 10.0.0.0/8 -> 192.168.2.104/32
>>
>> Should this be "169.254.0.0/16 -> ..." now? We recently cannibalized
>> our HSLS testbed, and in putting it back together I found I couldn't
>> ping from a standalone node through the CUWiN gateway to our local LAN
>> or internet.
>
> I suspect the ping requests are going out with an address in 169.254/16.
> Is that right? You probably need my patch for source-address selection
> (attached).
>
> It is important for us to upgrade the outdoor testbed in Urbana to use
> this patch. I believe Bryan's Mar 9 build used the patch.
Bryan, can you verify that the patch is in place on the outdoor nodes.
Also, for those who haven't checked this out, there's live visualization
of (part of) the CUWiN outdoor testbed at: http://cuw.chambana.net/ --
it's very cool.
--Sascha
--
Sascha Meinrath
President * Project Coordinator * Policy Analyst
Acorn Worker Collective *** CU Wireless Network *** Free Press
www.acorncollective.com * www.cuwireless.net * www.freepress.net
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