Гигабитная Wi-Fi точка доступа DrayTek Vigor2920FVn | ||
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| Решения для малого бизнеса Draytek Vigor 2920 Подробнее: www.atgnews.ru / www.atg.ru www.drayteknews.ru |
| Сайт проекта: Twitter: FaceBook: Группа ВКонтакте: LiveJournal: Unboxing обзор Wi-Fi роутера Draytek Vigor 2920n. Подробный тест устройства смотрите в следующем выпуске. |
| As demonstrated The Draytek 2920n performs a super fast failover even for real time applications like Voice Over IP. We'll have the same result if we have multiple IP phones or SIP trunks. No need to worry if a Service provider or internet link goes down, if using a dual Wan or multi WAN Draytek router internal users won't even notice. More on Draytek here: For the more technical people that might already have some questions here some more explanation. The Voip server used, Asterisk, follows the RTP. That means it replies to the same IP and port it receives the RTP from. The session fail-over for other SIP servers or any other application might not be as transparent, in the worst case existing session will fail but the very next call attempt will work. In this case the router detects the the failure immediately as the cable is physically disconnected. If ISP fails upstream then the failover would take about 5 -10 seconds as Draytek is testing the connection every 5 seconds. This is designed that way as we don't want the router failing over every time there is a micro-cut. For some kinds of sessions like https, the user will have to refresh the browser and start a new session as https servers don't accept a sudden change on client's IP. |
| In our last video, we show you how VPN load balancing will improve your inter-office communications. In this video we will show you how to set up a Load Balanced VPN trunck between two sites. We have a Vigor3900 router at the Head office and a Vigor3200 router at the Branch office... |
| DrayTek Vigor2925 Dual Gigabit WAN router with robust Firewall and comprehensive VPN for your business offices using FTTx/Cable/xDSL broadband!Take 3.5G/4G LTE USB mobile as WAN 3! 50 VPN tunnels + 25 SSL VPN tunnels. DrayTek Vigor2925 is perfectly designed for the Cloud-connected World! |
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