Tim,

Just some thoughts if I'm on the same page...

I believe that Asterisk/iax is a layer on the "os and ip" network and not a function of it.
You might look at the cpu cycles of each process to find what is tasking it (iax).

Then,
If you can not clean-up that process enough, you might adjust cpu time-slice if a remedy is still needed. Very much less recommended.

Getting to the root of the problem - Cleaning the process - would be first. Something in app_rpt/asterisk is soaking more cpu cycles. It could be "something like" iaxRPT (if using) or a manually added function of app_rpt or even a event logger with a large log or a combination of things. Just some ideas.

I have never had such a issue with asterisk so I'm only talking theory and that's how I would look for it.
Not sure if that helps any... Let me know what you find. I am curious.

...mike/kb8jnm


-------- Original Message --------
Subject: [App_rpt-users] IAX Ping
From: Tim Sawyer <tim.sawyer@mac.com>
Date: Tue, July 29, 2014 12:45 am
To: app_rpt ALLSTAR <app_rpt-users@ohnosec.org>

Anyone know why regular ping would show no loss, yet IAX shows there is loss? I’ve even seen localhost connections with IAX loss. Which makes me think there is something other than a network problem.

Here’s an example… 0% loss ICMP ping yet 7% IAX loss:

--- 208.70.77.197 ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 99159ms
rtt min/avg/max/mdev = 5.939/7.540/10.921/0.882 ms
[root@IronSystem ~]# asterisk -r
Asterisk 1.6.2.24, Copyright (C) 1999 - 2010 Digium, Inc. and others.
Created by Mark Spencer <markster@digium.com>
Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details.
This is free software, with components licensed under the GNU General Public
License version 2 and other licenses; you are welcome to redistribute it under
certain conditions. Type 'core show license' for details.
=========================================================================
Connected to Asterisk 1.6.2.24 currently running on IronSystem (pid = 19087)
Verbosity is at least 3
IronSystem*CLI> iax2 show netstats
                                -------------- LOCAL ---------------  ------------- REMOTE ---------------
Channel                    RTT  Jit  Del  Lost   %  Drop  OOO  Kpkts  Jit  Del  Lost   %  Drop  OOO  Kpkts FirstMsg    LastMsg
IAX2/208.70.77.197:4569-1    7    3   63   410   7     0    1      6    0   40     0   0     0    0      0 Tx:NEW      Rx:ACK    
1 active IAX channel
 
--
Tim
:wq

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