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dual wan voip vpn router

I am in need of a router that can handle dual wan interfaces,  prioritize voip traffic over wan interface A.  Internet traffic over wan interface B.   If interface B fails route traffic to interface A.   it needs to handle 2 vpn site to site tunnels,  wan A runs 90meg, wan B runs 1.5 meg

let me know your thoughts, cisco is an option, just not sure what model,

1 Solution
Ron MalmsteadInformation Services ManagerCommented:
For a wan speed near of 100Mbps, you must be carefull on the routing speed...  A lot of routers with 100Mbps interface are unable to route such a speed...  

For a small budget, i could recommand this model from Netgear, able to handle up to 4 wan interfaces, prioritize VOIP, failover, VPN,...  : http://www.netgear.com/business/products/security/wired-VPN-firewalls/SRX5308.aspx ,
wmctechAuthor Commented:
we have a sonicwall tz200 now,  and it is not playing nice with voip, dropping calls randomly?
Ron MalmsteadInformation Services ManagerCommented:
tz models are too small and do not handle high traffic very well.

Not just because of their inability to handle higher speed links, ie Fiber, but because they don't have the CPU and throughput power on packet routing/inspections..

The higher end models are more for faster isp connections such as fiber links and running multiple concurrent voip calls, vpn's ...etc.

I have a NSA 3500 and it have over a hundred users on 3 sites right now....an no issues so far.
i also suggest you Sonicwall.
i am not sure what model avalible in your country, but i am having 3 Sonicwall and all are working fine. if you have less than 50 users you can go with TZ but if you have i recomend go with Sonicwall NSA series.
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