TC won't get assigned internal IP address

I have an Airport Extreme N, a TC dual band and a Airport Express N. For some reason, the AEx (which is plugged in via Ethernet to the cable modem) won't give internal (10.0.x.x) IP address to the TC and Airport Express, which are both set up to extend my network...they are assigned external ip addresses and thus can't be connected to. I can manually assign 10.0.1.8 for example and then the light goes from green to amber. Same for my iPhone, which now says i'm connected to my network, i see no IP address at all has been assigned. Clicking on "renew lease" in any case (TC, AExp, iPhone), doesn't work.

well now i set it to manually and typed in 10.0.1.8 for the TC because otherwise it was getting assigned a IP address that caused an amber light. Connect Using is "Wireless", and when IPv4 was on "Using DHCP", IP Address was external address 165.254.90.211, Subnet is 255.255.0.0, Router address is 10.0.1.1 (that's the internal IP of the AExt), DNS Servers are 10.0.1.1, Connection Sharing is "Off (Bridge Mode)"
Interesting though, so I went back to the "Using DHCP", then clicked back on the TC, that first summary window which says an error, shows the IP address still being 10.0.1.8 but, clicking to the Internet Connection window shows the 165 ip address above.
Message was edited by: Charles Friedberg
Message was edited by: Charles Friedberg

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