If your ISP modem/router has no bridge mode, then how did you get a public IP? Only way that will happen is if you do a bridge mode or IP pass-through or it's strictly a modem with no router whatsoever.
Dual WAN with PPPoE would require two ethernet ports available on both modem and router, at the very least; if not some sort of tagged vlan configuration. We probably need a little larger picture information.... _________________ "Life is but a fleeting moment, a vapor that vanishes quickly; All is vanity"
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Linux User #377467 counter.li.org / linuxcounter.net
It's true, I just plugged in my info and had two public IPs. It perhaps has some special feature hidden, but having ed ch support and read the manual on the modem(the best I could), there is no supported bridge mode, and both routers supported their own wifi w/internet access.
I apologize as I am at work now and cannot give a full update.
Joined: 18 Mar 2014 Posts: 12837 Location: Netherlands
Posted: Tue Jun 22, 2021 13:59 Post subject:
DDWRT has a dual WAN PPPoE option but this is normally used when the modem is in Passthrough/Bridge mode to get one Public IP and one private IP address to get to the modem.
I have seen modems which would handout a public IP address automatically from LAN port 1 (and sometimes a different Public IP from LAN port 2)