[App_rpt-users] Node behind a NAT router

Ramesh Dhami (VA3UV) Ramesh at va3uv.com
Mon Oct 22 19:54:46 EDT 2012


Hi Scott;

Thanks! - I know about the nat=yes parameter for SIP connections... but 
not sure if app_rpt supports this or whether the same can be applied for 
inbound IAX connections.

I'm busy with work stuff tonight and got busy with some D-STAR (FREE 
STAR*) stuff last night, hence couldn't commit to chatting with you.

I used to take my FM portable to work (I work very close to YYZ... in 
fact, one of my offices overlooks the YYZ stack!).  May be we can chat 
via phone tomorrow?

Ramesh.



On 22/10/2012 7:26 PM, S. Scott wrote:
> Ramesh, NAT, issues can be complex set of variables, which is why I
> suggested we talk on air.  That said, here are the key sip parameters
> for traversing nat..
>
> sip.conf
>
> [general]
> canreinvite=nonat
> nat=yes
> localnet = <net ip of node>.     ; typically something like
> 192.168.1.0/255.255.255.0
>
> One of either
> externalip = <ip address>.    ; this is your ISP provided ip address
> on the outside edge of the firewall.
> -or-
> externalhost = <fully qualified dns host name>. ; e.g. mynode.mydomain.ca
>
> Cheers,
> /Scott VE3ZTZ
> —————
> iThing:  Big thumbs & little keys. Please excuse typo, spelling and
> grammar errors • Good planets are hard to find – think before you
> print • My desire to be well-informed is currently at odds with my
> desire to remain sane. • Last night I played a blank CD at full blast.
> The Mime next door went nuts.
>
>
> On 2012-10-21, at 21:07, "Ramesh Dhami (VA3UV)" <Ramesh at va3uv.com> wrote:
>
>> Hi Guys;
>>
>> I have a node behind a NAT router, which is also masquerading the incoming IP.
>>
>> So any attempt to connect to it fails since the reported IP (i.e., the masqueraded IP) does not match the real IP (in the rpt_extnodes file).
>>
>> I do not have access to the router at the site, so anything I can do on the node to make this work?
>>
>> TIA!
>>
>> Ramesh.
>>
>> www.freestar.us
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