DDNS and custom URL has been added to the ER605 for dynamically updating DNS records, but IMHO the most basic update function (RFC2136) is missing. There are many providers with different protocols...

The ER605 can provide nice fail-over for IPv4 via NAT using multi-WAN setup, but for IPv6 it's not working, as only one of the WANs can be set to provide IPv6 connection to the LAN. With the new...