[Problem] Latency and lags by 3490 VDSL2 connection

[XJIOP]

Hi all,

I have one problem with my new modem 3490

All tests I did with disabled firewall "Exposed Hosts" and same fritzbox settings, have only switched over modem and router mode.
These problems only in modem mode 3490, when I use old modem and fritzbox as router over "Existing connection over LAN" is everything works fine.

ISP: Swisscom 20000/2000kbit
New Modem: 3490 A/CH firmware 6.20 (connected as VDSL2 annex a)
Old Modem: Motorola 7340-44-20SC

Problem 1: In online gaming connection not stable with big latency and many disconnections, it's unplayable.
Problem 2: Not working teamspeak it connected and every 3-5 sec. disconnected and so in the loop.

Official AVM support can not help, they only said: very sorry to hear this...

Please help to understand what exactly the problem and how to fix it!

 

[thtomate12]

Can post a screenshot of "Internet", "DSL information", "DSL"?

 

[XJIOP]

DSL Infromation


today I has updated to 6.30 but it changed nothing...

 

[XJIOP]

this is DSL Info old modem




now fritzbox connected to it, but I would like to use only fritzbox as a modem and router :|

 

[XJIOP]

Please could anyone tell me what the problem is?

can ISP filters connection if used third-party modem or is it a problem of fritzbox?

 

[thtomate12]

Swisscom blocking Fritzboxes would be very unlikely, because they are also distributing FBs.
Have you tried to set all "line settings" to more stability?

 

[XJIOP]

I tried almost all the options and line settings too, but I don't know how to track the cause of these problems.