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I have a Linksys WRT54GS router flashed with DD-WRT that I'm trying to get a connection on behind a Cisco DPC3010 cable modem. I can get a connection just fine when I plug my computer in directly into the modem, but when I plug the router into the modem, it refuses to deal the router an IP. My ISP is Cox, if that matters.
Here's the basic setup for my router right now:
WAN Connection Type
- Automatic Configuration - DHCP
- STP - Disable
Optional Settings [all default]
- Host and Domain name blank, and MTU on Auto
Network Setup [all default]
- Local IP - 192.168.1.1
- Subnet Mask - 255.255.255.0
- Gateway - 0.0.0.0
- Local DNS - 0.0.0.0
- DHCP Type: DHCP Server
- DHCP: enabled
- Static DNS 1: 192.168.1.1
- Static Dns 2: 8.8.8.8
- Static Dns 2: 68.105.28.12
Things I've Tried:
MAC address cloning to have my router's MAC match my computer's MAC (My computer is capable of connecting to the cable modem just fine)
Using all kinds of different DNS servers. I doubt this would solve this kind of issue, though
Powering down both the router and modem, fully powering up the modem, and then powering up the router
The Cisco modem isn't a router and doesn't have any configuration utilities of any sort; just a page that displays basic information about the modem (MAC address, serial, etc)
Changing the WAN connection from DHCP to manually match the info that the modem deals to my computer. Here's the ipconfig for my computer connected to the modem:
I'm really not sure where to go from here. Any advice?
The only options under WAN configuration are either automatic configuration with dhcp, or use of a static IP. Neither worked. I have already tried using my computer's configuration, and I stated that in my original question. There's 100% packet loss when I ping an internet IP. No connection is established. DNS isn't resolving. I have had my computer's ethernet MAC cloned throughout this ENTIRE process.
Also, I'd like to note that I know for a fact that the router works, hardware-wise, since I was using it in a previous setup. And as I said, my cable modem works with my computer. – IHateMyModem – 2014-07-24T04:36:42.920
Try to disable WAN connection, enable Assign WAN Port to Switch option and try to connect to internet using your router as a simple bridge. It should work, if not, you may have a problem with your WAN port. – denisvm – 2014-07-24T04:46:17.747