Tim,

 I think you might be comparing apples and oranges. A ping is icmp protocol at the ip level and over a set period of time while the Asterisk statistics are cumulative over the entire time it has been running. It shows loss of iax udp packets which can be expected. Unless the loss is excessive over time I would not worry about it. There is never any guarantee that a udp packet is going to make it to its destination. If it were really bad you would hear it in the audio. There is a way to actually ping tcp and udp connections but I have never done it. My connections show the same minor loss over extended periods of use. Are you actually having a problem?

 https://github.com/tyru/srvtools

73 Doug
WA3DSP
http://www.crompton.com/hamradio

---

From: tim.sawyer@mac.com
Date: Mon, 28 Jul 2014 21:45:06 -0700
To: app_rpt-users@ohnosec.org
Subject: [App_rpt-users] IAX Ping

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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