[asterisk-users] QoS & VPN

[Roberto Piola]

I do not have examples, but if you are using the 1700 series router in order
to originate the ipsec vpn, you may use command qos pre-classify (please
search for it on cco.cisco.com)

On Thu, May 7, 2009 at 9:54 PM, Brent Davidson
<brent at texascountrytitle.com>wrote:

> I've got multiple satellite office all linked back to the main office
> via VPN.  Each office has their own asterisk server which registers back
> to the main office's Asterisk server.  Each office also has a 1Mb
> downstream / 384k - 768k upstream connection.  The branches are using
> Speex for their connections back to the main office.  The issue I'm
> having is that there are times that I need to VNC in to machines at the
> various offices for tech support while the user is also on the phone.
> Unfortunately the VNC connection apparently takes priority and makes it
> impossible for me to understand anything the person on the phone is
> saying, although they can still hear me fine.
>
> Our Main office uses a Cisco PIX 506 for the main firewall and VPN
> concentrator.  Each branch office used a Cisco 1700 series router with
> IPSec enabled in the IOS.  Is there any sort of QoS I can turn on on the
> main router or the branch routers to make sure the voice quality takes
> precedence over the VNC?  (Any example configs would be greatly
> appreciated)
>
> Would I be better off routing the voice packets over the internet rather
> than the VPN, and could I safely do that without exposing the asterisk
> boxes to unnecessary security risks?  (At present all of our asterisk
> boxes are behind the firewalls and only talk to each other over the
> VPN.  All PSTN connection is done through TDM boards so they have no
> direct exposure to the internet.)
>
>
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