Sipping_flag must also be set, because matching pings when they return
can be
done only if using SIP pings. Did you set it?
Ionut Ionita
OpenSIPS Developer
On 02/17/2016 02:56 PM, Dragomir Haralambiev wrote:
Hello,
I try to setup realtime monitoring.
Here is part of my script:
loadmodule "nathelper.so"
modparam("nathelper", "remove_on_timeout_bflag", "RM_ONTO_FLAG")
modparam("nathelper", "ping_threshold", 5)
.......
route {
.........
setbflag(RM_ONTO_FLAG);
.........
}
From location tableI (cflags) I see "RM_ONTO_FLAG"
Unplug Internet connection from registered endpoint.
Opensips send sipping. Received "Destination unreachable (Port
unreachable)".
Record in location table is not deleted.
Where is problem?
Regards,
Dragomir
2015-10-01 11:33 GMT+03:00 Ionut Ionita <[email protected]
<mailto:[email protected]>>:
*Hello all,
I’m glad to announce a new feature that allows OpenSIPS to monitor
(via SIP OPTIONS probing) and disable/delete in realtime the
registrations
which are not responding.
The previous approach had two issues when came to so called
“zombie”
registrations (registrations which are not valid anymore):
* resources - such zombie registrations may waste resources in
your
OpenSIPS server (memory, processing time, DB space, useless NAT
pinging,
TCP connect attempts);
* user experience - using the zombie registration to reach
un-existing
users translates into useless calls (calls that will simply timeout),
giving delays in the call setup (instead of going straight to VM,
you may
burn 5-10 seconds in trying to reach the user);
The main idea behind these features is to delete contacts
that do not
respond to a certain number of SIP pings. The SIP pinging is
provided by the
nathelper module which was enhanced to keep the state of each
pinging requests
(basically, the module is waiting and checking the reply of each
SIP request
sent to the registered users). For registrations detected as
“dead” (not responding),
the nathelper module interacts directly with the usrloc module in
order to
remove the zombie contact.
For usage perspective, the nathelper module now has two new
parameters:
* ping_threshold - timeout to consider a ping as unanswered;
* max_pings_lost - the number of unresponded pings after which
the contact is
removed from usrloc;
In order to activate this feature, every contact must have the
sipping_bflag
(to be pinged) and remove_on_timeout_bflag (to be deleted on
no-answer) activated.
This means these flags must also be configured in the nathelper
module. [0]
For full documentation of the nathelper module including the
newly added
feature see [1]. Any feedback is highly appreciated.
Regards,
Ionut Ionita
[0]http://www.opensips.org/html/docs/modules/2.2.x/nathelper.html#id248011
[1]http://www.opensips.org/html/docs/modules/2.2.x/nathelper.html
*
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