@skylarkTech Here is a configuration guide if you want to use the router as an L2TP client https://www.tp-link.com/en/support/faq/3755/ https://www.tp-link.com/en/support/faq/3756/

@skylarkTech ok, but can you ping something on the remote site from your computer? does the vpn work as it should if you configure L2TP on the computer? to clarify, it is the VPN Client - L2TP you...

@skylarkTech you should not configure any port forward on the ER605, but if you have done port forward on the remote site, then it is ports UDP 4500 and UDP 500 and perhaps UDP 1701 that must be...

@skylarkTech no one can help you with this description of the problem. try to describe a little better so maybe..

@danny8787 here you will find what you need to know https://community.tp-link.com/en/business/forum/topic/664314

@AxKa You can see the difference here https://www.tp-link.com/en/compare/?type=smb&typeId=5795&productIds=73647%2C59293