Cannot get VPN to work on Omada with ER605.  If I setup PPP, I can connect but never reconnect until I adjust the session limit of the VPN user.  L2TP and OpenVPN setups do not respond at all.  I receive ICMP errors in a wireshark on the initial connection.  IP Pool for these vpns are separate than the DHCP pool for the LAN.  Also if I switch back to stand alone mode all VPN configurations work.  I have had multiple cases that never were resolve I have one now but wondering if anyone has seen this and resolved it.  I have seen a similar post from - https://community.tp-link.com/en/business/forum/topic/513088