FYI, fixed the problem by using the -mi parameter on the Linux client to set
the local media IP address, ie:
WinXP client: sipp -sf g711a_pcap.xml users 2
192.168.0.2
Linux client (Mandriva 2008): sipp -sn uas -mi 192.168.0.1
Now I have RTP traffic flowing between the Windows and Linux client.
When I use 2 Linux clients, the -mi paramater is only required on the UAS. Not
too sure why this is required, but at least it now works.
----- Forwarded Message ----
From: Antoine <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thursday, 16 October, 2008 12:46:54
Subject: Re: [Sipp-users] No RTP traffic between Linux clients, works fine in
WinXP.
Hi David,
The firewall on Mandriva is completely switched off. I also implemented the tip
from Zili0n (ie removing -1 from line 195 of the call.cpp file) but did not
change anything.
Then I noticed that my RTP library was not installed on the Mandriva client
(sorry I am a bit novice to Linux), installed everything related to RTP and
still no joy...so I am still working on it...
Just a few addtional questions:
1. I was planning to use WinXP clients to test the capacity of my Lan in terms
of number of simultaneous G711 calls, but then I noticed the following from the
SIPp documentation:
Advices to run performance tests with SIPp
SIPp has been originally designed for SIP performance testing. Reaching high
call rates and/or high number of simultaneous SIP calls is possible with SIPp,
provided that you follow some guidelines:
* Use an HP-UX, Linux or other *ix system to reach high performances.
The Windows port of SIPp (through CYGWIN) cannot handle high performances.
-> What would be the maximum number of calls the Windows port of SIPp can
handle?
2. I would like to do my testing using a bidirectional calls, I guess the only
way would be to run 2 instances of SIPp on both clients, ie one instance for
UAS and another one for UAC, ie:
On client 1: sipp -sf g711a_pcap.xml users X 192.168.0.2
sipp -sn uas
On client 2: sipp -sn uas
sipp -sf g711a_pcap.xml users X 192.168.0.1
Where X is the number of simultanous calls.
Does this sound a sensible way to test my Lan in terms of simultanous
bidirectional G711 calls?
Thanks,
Antoine
----- Original Message ----
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thursday, 16 October, 2008 2:50:09
Subject: Re: [Sipp-users] No RTP traffic between Linux clients, works fine in
WinXP.
On Wed, 15 Oct 2008 at 15:59, Antoine wrote:
> Did a final test, a WinXP client connected to a Mandriva client, here
> again no RTP traffic. As soon as I involve a Linux client I do not get
> the RTP traffic.
To ask the obvious question first, is the Linux box running a firewall
ruleset, and if so did you check that it is allowing the RTP traffic?
--David
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