No internet unless I go through my old router

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RESOLVED - UNPLUGGED MODEM, PLUGGED BACK IN, HIT “RESTART” several times on interfaces page for WRT.

Hello,

Brand new user. Tech ignorant. I recently obtained a CUDY WR3000 V1 and installed openWRT according to the quickstart guide.

I have the CUDY’s WAN port connected to a LAN output from my old router. Everything works fine.

But, when I unplug the old router, and I take the ethernet cable that was feeding my old router and put it in Cudy’s WAN port, I get no internet.

Additionally, I have no IPv4 or IPv6 listed anymore in CUDY’s interfaces page (whereas I did have entries when going through my old router.

Diagnostics (ping, etc) yield the following. What should I do?

PING openwrt.org (64.226.122.113): 56 data bytes

ping: sendto: Network unreachable

traceroute: can't connect to remote host (64.226.122.113): Network unreachable

Server: 127.0.0.1

Address: 127.0.0.1:53

Non-authoritative answer:

Name: openwrt.org

Address: 64.226.122.113

** server can't find openwrt.org: REFUSED

[psherman]

Did you change the configuration of the WR3000, or is it in the default condition?

What is upstream of your "old" router -- is it a cable/cellular/dsl modem? An ONT? something else?

What are the ISP connection methods (typically this is DHCP or PPPoE, rarely static IP). Have you configured your WR3000 accordingly?

If you have a cable modem, you typically need to power-cycle the modem (possibly a few times) to get it to recognize a new downstream device.