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 <br...@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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