@N3M3S1S Check this thread.

@elirr1111 It is suggested to update to the latest release because it "Fixed a NetUSB-protocol vulnerability". If that doesn't solve your current problem most probably this is a FW limitaion.

@MOdra If your new ISP bandwidth is more than 100mbps, it is suggested to upgrade your router since it's not a gigabit router - VR300 specs.

@MOdra VR300 can operate as a DSL modem router or wireless router through its operation mode setting. In the first case it utilizes an RJ-11 connection and in the second it utilizes RJ-45 connection...

@Tudorel Try to fill only the external port field and leave the internal port field empty then save the settings:

@dave_ps If a port negotiated speed varies between 1000mbps and 100mbps usually changing the ethernet cable can solve this issue.