asterisk users - Apr 2006 - Choppy Sound when using linux router or asterisk

Hello,

I created this setup,

DSL------LINUX ROUTER-------ASTERISK

Linux acts as router and forwards packets only
512M and AMD 1599.987 MHz

Asterisk
512M
AMD 2000 MHz

When I ssh to linux router during the call and
execute any command that requires cpu , then sound gets choppy.
Simple test would be establish a call and start "du /" on the router.

The same applies to asterisk box.

Does anyone have any experience with tweaking the servers for best
perfomance with asterisk. How to give prority to asterisk processes , and
to routing processes?

Thanks

While the gurus are sleeping, I'll ask a few questions to get started...

I'm assuming this is using some kind of Voip, correct?  If not, can you let
us know what cards are involved?  What kind of phone?  Is it IP or analog?

But, to be honest, none of that should hinder performance.  What
distribution of linux are you using?  Do you have X loaded?  That's not a
good thing.  If strictly Voip, is ztdummy loaded?  I had some weird things
happening on a VMware session that I think was related to timing (music on
hold doing weird things).

Is this plain vanilla asterisk, an rpm somewhere, asterisk at home,
astlinux?

Any other info would greatly be appreciated.  In a "typical"
situation, your
hardware should be fine with no tweaks needed.  That suggests something else
is at fault.

What speed is your network?  Do you have a hub or a switch?  Is this
wireless or wired?  What machine are you on doing the ssh to the router?
How many other services are running on the linux machines?  How many of
systems are connected to the network?


On 4/10/06, Bartosz Wegrzyn - asterisk <junk@lexoncom.com>
wrote:
>
> Hello,
>
> I created this setup,
>
> DSL------LINUX ROUTER-------ASTERISK
>
> Linux acts as router and forwards packets only
> 512M and AMD 1599.987 MHz
>
> Asterisk
> 512M
> AMD 2000 MHz
>
> When I ssh to linux router during the call and
> execute any command that requires cpu , then sound gets choppy.
> Simple test would be establish a call and start "du /" on the
router.
>
> The same applies to asterisk box.
>
> Does anyone have any experience with tweaking the servers for best
> perfomance with asterisk. How to give prority to asterisk processes , and
> to routing processes?
>
> Thanks
>
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