[SR-Users] Issues with keepalive_timeout

[Kristian Kielhofner]

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
>
>
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-- 
Kristian Kielhofner