[Asterisk-Users] QoS General Question

[Michael Graves]

On Tue, 09 Aug 2005 11:26:11 -0500, Eric Wieling aka ManxPower wrote:

>Geoff Manning wrote:
>> Michael Graves wrote:
>> 
>>>Sure it can. If you have a network segment that's fully saturated and
>>>you're also pushing VOIP data over that segment you'll have problems.
>>>In practice most networks are not that busy, but it can happen. If
>>>your phones, switch and NICs are VLAN capable you can setup a
>>>dedicated VLAN for the voice traffic and ensure that it gets priority.
>>>
>>>Michael
>> 
>> 
>> Thanks for the info. We are experiencing issues with quality and I'm trying
>> to smooth them out. Is there a way to determine the impact that is being
>> caused by the local traffic? Monitoring tools that will show this in report
>> form or realtime? Every day or so we get reports that there is a lot of
>> problems for short bursts of time. I would like to be able to show that the
>> local traffic is affecting this.
>
>In my experience, for local LAN audio issues, duplex problems are the 
>problem, not LAN traffic.
>
>Of course, if you are running Asterisk on your file server or something 
>silly like that, all bets are off.

Oh, yes! That's a good possibility as well, expecially with some Cisco
gear.

One problem that I had was related to saturating a segment during an
automated backup procedure. When a server in the UK started its backup
processes at an apparently idel time callers in the US had issues.
What's after hours there is middle of the day over here.

Michael 
--
Michael Graves                           mgraves at pixelpower.com
Sr. Product Specialist                          www.pixelpower.com
Pixel Power Inc.                                 mgraves at mstvp.com

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