[asterisk-bugs] [Asterisk 0015768]: SIP qualify goes out of control and kills links

Asterisk Bug Tracker noreply at bugs.digium.com
Tue Aug 25 08:28:09 CDT 2009


A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=15768 
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Reported By:                bluefox
Assigned To:                
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Project:                    Asterisk
Issue ID:                   15768
Category:                   Channels/chan_sip/General
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.26.1 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-08-24 09:50 CDT
Last Modified:              2009-08-25 08:28 CDT
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Summary:                    SIP qualify goes out of control and kills links
Description: 
Situation: 
- about 1200 SIP peers in realtime (onloy 5 in sip.conf)
- Most of those 1200 are configured with qualify=yes
- Servers, which is normal at 2.5Mpbs usage, suddently spikes to 6-10Mpbs
outgoing.
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---------------------------------------------------------------------- 
 (0109583) bluefox (reporter) - 2009-08-25 08:28
 https://issues.asterisk.org/view.php?id=15768#c109583 
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No, I can tell you from MRTG that it is network related, but what seems to
happen is that Asterisk floods the end-user network (let's say he's got a
9000Mbits link) to the point where his phones are indeed unreachable,
because of Asterisk.

I could increase the timer, but the point of using qualify is to know when
to stop trying to send calls to a peer. 200ms is what I use. 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-08-25 08:28 bluefox        Note Added: 0109583                          
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