[asterisk-bugs] [Asterisk 0013532]: dundi lookups occasionally stop working

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=13532 
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Reported By:                dimas
Assigned To:                
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Project:                    Asterisk
Issue ID:                   13532
Category:                   PBX/pbx_dundi
Reproducibility:            have not tried
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.21.2 
SVN Branch (only for SVN checkouts, not tarball releases):  1.4  
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             2008-09-22 05:11 CDT
Last Modified:              2008-09-22 07:24 CDT
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Summary:                    dundi lookups occasionally stop working
Description: 
I have three Asterisk installations in different locations. When an
extension is dialed and it is not in local registrations, DUNDi is used to
query other boxes for that extension. Everything works fine but after some
random(?) run time, DUDNi lookup break - one of sites (different one each
time) loses ability to find an extension registered on another box.

So 'dundi lookup 8201 at global-pub-services' just finds nothing. I'm sure
that it is not firewall issue because I can turn on 'dundi debug' on the
remote end and actually see queries coming.

Restarting Asterisk (the one which should respond to this particular dundi
query) solves the problem and 'dundi lookup 8201 at global-pub-services' works
again.

The problem is that I do not know how to reproduce the problem - it just
happens from time to time. 

Please advise, what kind of debug information/evidences I need to collect
in order to debug the problem.

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 (0092758) dimas (reporter) - 2008-09-22 07:24
 http://bugs.digium.com/view.php?id=13532#c92758 
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Right now, I have one of boxes which fails to do dundi lookups.
I'm not sure if the symptoms are the same all the time, but at this
specific time 'dundi show peers' on that "bad" host for some reason
displays nothing:

voip1*CLI> dundi show peers
EID                  Host                Model      AvgTime  Status       
 
0 dundi peers [0 online, 0 offline, 0 unmonitored]

I believe this happens because the box was restarted while DNS server was
down (so it could not resolve hostnames from dundi.conf). However I'm
absolutely sure, I had situations where "dundi connectivity" was lost even
without box restart. 

Issue History 
Date Modified    Username       Field                    Change               
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2008-09-22 07:24 dimas          Note Added: 0092758                          
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