Draytek Vigor2800 Series User Manual page 5

4.1 Create a LAN-to-LAN Connection Between Remote Office and Headquarter ................... 115
4.2 Create a Remote Dial-in User Connection Between the Teleworker and Headquarter ......122
4.3 QoS Setting Example ......................................................................................................126
4.4 LAN - Created by Using NAT ..........................................................................................128
4.5 Calling Scenario for VoIP function....................................................................................131
4.5.1 Calling via SIP Sever.................................................................................................131
4.5.2 Peer-to-Peer Calling..................................................................................................133
4.6 Upgrade Firmware for Your Router ..................................................................................134
4.7 Request a certificate from a CA server on Windows CA Server ........................................136
4.8 Request a CA Certificate and Set as Trusted on Windows CA Server...............................139
5
Trouble Shooting ...........................................................................................143
5.1 Checking If the Hardware Status Is OK or Not..................................................................143
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not..................143
5.3 Pinging the Router from Your Computer...........................................................................146
5.4 Checking If the ISP Settings are OK or Not......................................................................148
5.5 Backing to Factory Default Setting If Necessary...............................................................149
5.6 Contacting Your Dealer....................................................................................................150
Vigor2800 Series User's Guide
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