I have upgraded one of our Vigor2820's to the latest firmware and started getting messages like this after a period of time in the browser window.

You have reached the maximum number of permitted Internet sessions
Please close one or more applications to allow furthur Internet access.
Contact your system administrator for further information.
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I have downgraded back one step from 3.3.5.2 to 3.3.5.1 as some of the posts in the forum suggest the latest firmware is not so good. I am still getting the message however.

Anyone else having this ?

It's supposed to be a bug, ask draytek for the newest 2820 beta firmware since that is meant to fix it.

I had to roll back to 3.3.4.1 and only then all issues have gone away.

I also went back to firmware version 3.3.4.1 which does work fine.

However, Draytek support recommended that I apply 3.3.5.2 using the .rst version to put everything back to factory settings. Also they advised using 3352A_211011 instead of the 232201 version.

I have this running now and all OK so far.....

.... been stable all day with lots of traffic. Running 3352A_211011 seems fine. Also have a second router now running 3.3.5.2 and this is also stable.

brickcounter wrote: .... been stable all day with lots of traffic. Running 3352A_211011 seems fine. Also have a second router now running 3.3.5.2 and this is also stable.

Where did you get 3352A_211011? I want to be able to switch off voip totally, because I have issues with a phone staying registered...