Download Firmware DrayTek Vigor 2820/n/Vn/VS/VSn 3.3.7

DrayTek has released new firmware for the Vigor 2820 series routers. These routers are suitable for passing ADSL2, ADSL2+, cable and VoIP connections. In the family include the Vigor 2820the Vigor 2820n and the Vigor 2820Vn. To download the firmware, a free registration on the DrayTek forum is required. The changelog of this release lists the following changes and improvements:

New Features

• Add SMS web UI under the menu of Application.
• Support auto-detection mechanism which can be seen in External Devices setting. While enabling this proprietary function, the router can display available devices connected externally in the same subnet, such as other Vigor routers, switch, AP, and etc.

Improvement

• Fixed: NAT mechanism causes some NAT related bugs. IP phones behind NAT can’t be registered successfully after a while.
• Fixed: RIP over VPN malfunction issue.
• Fixed: Web size misallocation causes insufficient memory.
• Fixed: UCF query doesn’t work in SSLv3 issue.
• Fixed: Log of sending CHAP failed may result in buffer overflow.
• Fixed: IPSEC LAN to LAN Dial-in side should check if the subnet ID from incoming connection is different from the local subnet in the profile.
• Fixed: VPN client cannot login remote router web page successfully through IPSEC LAN to LAN tunnel.
• Improved: DTMF outband packet SRTP decrypting mechanism.
• Improved: Add error checking for certain malformed SIP “session-expire” header.
• Improved: Improve the call waiting mechanism.
• Improved: Check call direction of VPN to avoid dial-out connection used by host to LAN and refined Syslog.
• Improved: Some problems occurred in UCF/WCF.
• Improved: Refined wireless bridge code. Improved: Add wireless DTIM and beacon period setting telnet command
• Improved: Modify the user mode login web messages, such as those messages are unified across 2 series models.
• Improved: Add ADSL RX information (OID:1,3,6,1,2,1,10,94,1,1,4 )
• Improved: Add user defined DHCP option for telnet command.
• Improved: Add wireless TR069 parameter for “access control/WPS/APDiscovery/Stationlist”.
• Improved: NAT throughput
• Improved: Remove “sys key” telnet command
• Improved: Login authentication security level for FTP server.
• Improved: Adjusted default Inbound/Outbound speed for QoS: 100Mbps/100Mbps
• Improved: Improve the Call Hold mechanism.
• Improved: Enhance the compatibility for VoIP application.
• Improved: Improve several ISDN features such as on/off net PIN code.

Known Issue

• none

Modifications

• none