Re: [Ekiga-list] Ekiga on Ubuntu using DSL

[Eugen Dedu <Eugen Dedu pu-pm univ-fcomte fr>]

kapetr wrote:
> ---- Eugen Dedu wrote:
> 
>> kapetr wrote:
>>>>> Just little modification would make this perfect
>>>>>>>> - see my post at this
>>>>>> bug report.
>>>> Does ekiga show ALWAYS symmetric nat with that router?
>>>>>> Because
>>>> sometimes I receive symmetric nat on my own router
>>>>>> too, I think this
>>>> appear in special conditions (I have just stopped
>>>> ekiga
>>>>>> or sommething
>>>> like this).
>>>>
>>>> -- 
>>>> Eugen
>>>>
>>> Hello,
>>>
>>> Yes - Ekiga reports ALWAYS, it is symetric NAT.
>>>
>>> I have also run:
>>>
>>> root# stun stun.ekiga.net -v
>>>
>>> output is in attachment - unfortunately I don't understand
>>> the output:
>>>> -mapped IP same = 1
>>> -hairpin = 0
>>> -preserver port = 0
>>>
>>> and I could find no documentation of it.
>>>
>>> But the point is - twinkle works behind also that
>>> NAT modem, and Ekiga
>>>> not - so I thing modification proposed (see my post
>>> at https://bugs.launchpad.net/ubuntu/+source/ekiga/+bug/517580
>>>> ) would be positive.
>>> With such modification I (and probably many others)
>>> would be finally
>>>> able to use Ekiga :-)
>> Could you test with another two stun servers to see
>> if if they return
>> always symmetric nat?
>>
>> -- 
>> Eugen
> 
> In attachment are 2 stun test outputs (stun2.txt and stun3.txt)- if they
> mean the NAT is symmetric - I don't know.

Could you please test *with ekiga* those servers?  You do that by
modifying stun_server entry in .gconf/apps/ekiga/general/nat/%gconf.xml
(or use gconf-editor).

> But see also stun4.txt - the port in mappedAddr differs for 2 different
> STUN servers- also it seems to be a symmetric NAT.
> 
> BTW - Twinkle reports with pop-up warning also symmetric NAT.
> 
> 
> Interesting is, that with Twinkle the echo test (500) works - of course:
> the SIP server and called number (500) are on the same IP address.
> The call to someone else would probably fail.
> 
> But Ekiga client do not get answer for his INVITE request ?! So Ekiga
> fails calling 500 behind symmetric NAT.

-- 
Eugen