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Solved
Inbound port mapping with CM2050V
I have recently installed a Netgear CM2050V and the previous modem/router had the ability to allow for inbound mapping of ports from the WAN interface (on its public IP address) and route them to a c...
I stand corrected.
HW version 1.01 Firmware Version V2.01.03
It turns out that during the on-boarding process of the CM2050V with Comcast started with the workstation being handed out (via DHCP) a private address within the 192.168.100.x network.
Once the circuit has settled, I was eventually handed a public IP address of 76.103.xxx.xxx without having to deal with NAT issues from the cable modem.
Interestingly the CM2050V will now take anything from the above (originating) assigned public IP address directed to 192.168.100.1 and intercept it for a web admin console on the cable modem to show circuit status.
All is good.
I stand corrected.
HW version 1.01 Firmware Version V2.01.03
It turns out that during the on-boarding process of the CM2050V with Comcast started with the workstation being handed out (via DHCP) a private address within the 192.168.100.x network.
Once the circuit has settled, I was eventually handed a public IP address of 76.103.xxx.xxx without having to deal with NAT issues from the cable modem.
Interestingly the CM2050V will now take anything from the above (originating) assigned public IP address directed to 192.168.100.1 and intercept it for a web admin console on the cable modem to show circuit status.
All is good.
The 192.168.100.1 is a static IP address for ALL CM series modems so when a device or external router is connected to the modem, users can access the modems web page with out being in any conflict with external routers. Is is only a address for the modems web page. No router on CM series modems.