[CUWiN-Dev] ipnat question + patch

[Bill Comisky]

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).

Yes, that's exactly what was happening.  I applied the patch and rebuilt, 
and it seems to be working now with the original ipnat.conf file.  Thanks 
for the patch and the info on the link-local addresses.

bill

--
Bill Comisky
bcomisky at pobox.com