[SR-Users] Issues with keepalive_timeout

Thu Feb 20 00:51:02 CET 2014

I do, but only when endpoints are actually behind NAT :).

If I set my nat_bflag manually (in all cases) it behaves as expected.

It seems that with modparam("nathelper", "ping_nated_only", 0) set my
configuration should work without always also setting nat_bflag (as
that is used in various other places currently).

What do you think?

On Wed, Feb 19, 2014 at 6:28 PM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> I quickly checked the code and the condition is on nat_bflag, do you set it
> as well? The config snipped you presented tells about sipping_bflag.
>
> Otherwise I see the last-keepalive is updated. I assume the expire time from
> the registration is higher than 180 sec.
>
> If all above are ok in your config and environment, I will have to do some
> tests to see if I can reproduce.
>
> Daniel
>
>
> On 20/02/14 00:13, Kristian Kielhofner wrote:
>>
>> Yes, before and after my client stops responding to OPTIONS.  Both
>> Last-Keepalive and Last-Modified do not change:
>>
>> Last-Keepalive:: 1392851434
>> Last-Modified:: 1392851424
>>
>> On Wed, Feb 19, 2014 at 5:41 PM, Daniel-Constantin Mierla
>> <miconda at gmail.com> wrote:
>>>
>>> Hello,
>>>
>>> should be ok -- feature is not enabled for db-only mode.
>>>
>>> If you do:
>>>
>>> kamctl ul show
>>>
>>> is the Last-Keepalive set to a positive value?
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 19/02/14 23:30, Kristian Kielhofner wrote:
>>>>
>>>> Hi Daniel,
>>>>
>>>>     modparam("usrloc", "db_mode", 2)
>>>>
>>>> On Wed, Feb 19, 2014 at 5:26 PM, Daniel-Constantin Mierla
>>>> <miconda at gmail.com> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> quick check -- what is the db_mode for usrloc module?
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>>
>>>>> On 19/02/14 23:03, Kristian Kielhofner wrote:
>>>>>>
>>>>>> Hello All,
>>>>>>
>>>>>>      I'm trying to use keepalive_timeout with 4.1.1 as described here:
>>>>>>
>>>>>> http://lists.sip-router.org/pipermail/sr-users/2012-August/074337.html
>>>>>>
>>>>>>      I believe I've followed these configuration steps and those
>>>>>> defined
>>>>>> in the nathelper module.
>>>>>>
>>>>>> Here are the relevant portions of my config:
>>>>>>
>>>>>> modparam("nathelper", "natping_interval", 60)
>>>>>> modparam("nathelper", "keepalive_timeout", 180)
>>>>>> modparam("nathelper", "ping_nated_only", 0)
>>>>>> modparam("nathelper", "sipping_from", "sip:pinger at domain.com")
>>>>>> modparam("nathelper", "sipping_method", "OPTIONS")
>>>>>> modparam("nathelper", "sipping_bflag", 9)
>>>>>>
>>>>>> And of course a setting the correct branch flag (verified) during
>>>>>> REGISTER handling:
>>>>>>
>>>>>> setbflag(9);
>>>>>>
>>>>>> My goal is to use SIP OPTIONS messages to verify the reachability of
>>>>>> all of my endpoints (not just NATd ones).  I would just lower my
>>>>>> re-registration timeout but there are other issues associated with
>>>>>> that kind of change.
>>>>>>
>>>>>> With my current configuration (after a successful registration) a SIP
>>>>>> OPTIONS message is sent and replied to:
>>>>>>
>>>>>> U 4.2.2.1:5060 -> 4.2.2.2:5060
>>>>>> OPTIONS sip:user372 at 4.2.2.2:5060;ob SIP/2.0.
>>>>>> Via: SIP/2.0/UDP 4.2.2.1:5060;branch=0.
>>>>>> From: sip:pinger at domain.com;tag=uloc-5303810e-7c78-1-2273f0eb-9627292.
>>>>>> To: sip:user372 at 4.2.2.2:5060;ob.
>>>>>> Call-ID: 8af79586-93072f43-7c4cf55 at 4.2.2.1.
>>>>>> CSeq: 1 OPTIONS.
>>>>>> Content-Length: 0.
>>>>>> .
>>>>>>
>>>>>> U 4.2.2.2:5060 -> 4.2.2.1:5060
>>>>>> SIP/2.0 200 OK.
>>>>>> Via: SIP/2.0/UDP 4.2.2.1:5060;received=4.2.2.1;branch=0.
>>>>>> Call-ID: 8af79586-93072f43-7c4cf55 at 4.2.2.1.
>>>>>> From:
>>>>>> <sip:pinger at domain.com>;tag=uloc-5303810e-7c78-1-2273f0eb-9627292.
>>>>>> To: <sip:user372 at 4.2.2.2:5060>;tag=0;ob.
>>>>>> CSeq: 1 OPTIONS.
>>>>>> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE,
>>>>>> NOTIFY, REFER, MESSAGE, OPTIONS.
>>>>>> Accept: application/sdp, application/pidf+xml, application/xpidf+xml,
>>>>>> application/simple-message-summary, message/sipfrag;version=2.0,
>>>>>> application/im-iscomposing+xml, text/plain.
>>>>>> Supported: replaces, 100rel, timer, norefersub.
>>>>>> Allow-Events: presence, message-summary, refer.
>>>>>> User-Agent: My_UA.
>>>>>> Content-Length:  0.
>>>>>> .
>>>>>>
>>>>>> If I kill the registered UA (making it unavailable) Kamailio endlessly
>>>>>> sends OPTIONS messages, never receives a reply, and never removes the
>>>>>> registration from usrloc:
>>>>>>
>>>>>> U 4.2.2.1:5060 -> 4.2.2.2:5060
>>>>>> OPTIONS sip:user372 at 4.2.2.2:5060;ob SIP/2.0.
>>>>>> Via: SIP/2.0/UDP 4.2.2.1:5060;branch=0.
>>>>>> From: sip:pinger at domain.com;tag=uloc-5303810e-7c78-1-2273f0eb-b627292.
>>>>>> To: sip:user372 at 4.2.2.2:5060;ob.
>>>>>> Call-ID: 8af79586-b3072f43-f35cf55 at 4.2.2.1.
>>>>>> CSeq: 1 OPTIONS.
>>>>>> Content-Length: 0.
>>>>>> .
>>>>>>
>>>>>> U 4.2.2.1:5060 -> 4.2.2.2:5060
>>>>>> OPTIONS sip:user372 at 4.2.2.2:5060;ob SIP/2.0.
>>>>>> Via: SIP/2.0/UDP 4.2.2.1:5060;branch=0.
>>>>>> From: sip:pinger at domain.com;tag=uloc-5303810e-7c78-1-2273f0eb-c627292.
>>>>>> To: sip:user372 at 4.2.2.2:5060;ob.
>>>>>> Call-ID: 8af79586-c3072f43-b75cf55 at 4.2.2.1.
>>>>>> CSeq: 1 OPTIONS.
>>>>>> Content-Length: 0.
>>>>>> .
>>>>>>
>>>>>> U 4.2.2.1:5060 -> 4.2.2.2:5060
>>>>>> OPTIONS sip:user372 at 4.2.2.2:5060;ob SIP/2.0.
>>>>>> Via: SIP/2.0/UDP 4.2.2.1:5060;branch=0.
>>>>>> From: sip:pinger at domain.com;tag=uloc-5303810e-7c78-1-2273f0eb-d627292.
>>>>>> To: sip:user372 at 4.2.2.2:5060;ob.
>>>>>> Call-ID: 8af79586-d3072f43-7b5cf55 at 4.2.2.1.
>>>>>> CSeq: 1 OPTIONS.
>>>>>> Content-Length: 0.
>>>>>> .
>>>>>>
>>>>>> U 4.2.2.1:5060 -> 4.2.2.2:5060
>>>>>> OPTIONS sip:user372 at 4.2.2.2:5060;ob SIP/2.0.
>>>>>> Via: SIP/2.0/UDP 4.2.2.1:5060;branch=0.
>>>>>> From: sip:pinger at domain.com;tag=uloc-5303810e-7c78-1-2273f0eb-e627292.
>>>>>> To: sip:user372 at 4.2.2.2:5060;ob.
>>>>>> Call-ID: 8af79586-e3072f43-3f5cf55 at 4.2.2.1.
>>>>>> CSeq: 1 OPTIONS.
>>>>>> Content-Length: 0.
>>>>>> .
>>>>>>
>>>>>> (and on, and on, and...)
>>>>>>
>>>>>> Eventually the registration timeout kicks in, the usrloc entry is
>>>>>> removed, and Kamailio stops sending OPTIONS to the (long) unreachable
>>>>>> endpoint.
>>>>>>
>>>>>> Is this expected behavior?  What am I doing wrong?
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierla - http://www.asipto.com
>>>>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>>> sr-users at lists.sip-router.org
>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>>
>>> --
>>> Daniel-Constantin Mierla - http://www.asipto.com
>>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>
>>
>>
>
> --
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>

-- 
Kristian Kielhofner