How to fix Session Limit Reached issue in DrayTek Routers

A problem exists in the latest firmware (versions 3.6.8.1 and 3.7.8.1) with session control in the router.

Error message displayed as:

"You have reached the maximum number of permitted Internet sessions.

Please close one or more applications to allow further Internet access. Contact your system administrator for further information.

[Powered by DrayTek]”

Solution:

Upgrade the firmware as suggested below:

Vigor 2860: ftp://ftp.draytek.com/Vigor2860/Firmware/v3.7.8.3/

Vigor 2830: ftp://ftp.draytek.com/Vigor2830/Firmware/v3.6.8.2/AnnexA/

Vigor 2760: ftp://ftp.draytek.com/Vigor2760_Delight/Firmware/v3.7.8.2/

Vigor 2920: http://www.i-lan.net.au/downloads/Vigor2920/Firmware/Beta/Max-Session-Error-Fix/

Vigor 2120: http://www.i-lan.net.au/downloads/Vigor2120/Firmware/Beta/3.7.8%20RC4-%20SIP%20and%20Max%20session%20error%20fix/

Vigor 130: http://i-lan.net.au/downloads/Vigor130/Firmware/Beta/July%202015%20-%20Max%20session%20fix/