You cablemodem must be "flagged" for multiple IP access. By default, every cablemodem is flagged for one IP. This is to prevent users from manually configuring and using as many IP's as they want. When you order an IP, it will flag your cablemodem for a second IP, but sometimes (and even more so during the complicated transitions) it will be accidentally reset to one IP. This can also occur sometimes when one of your computers is off and the lease for that IP expires.
How to fix it? Call the tech support number and ask for a level2 tech. tell them that they need to flag your cablemodem for multiple IP's. Unfortunately some of the less experienced techs are unfamiliar with this procedure. A more drastic solution is to go to the IP ordering page, cancel your current second IP and order a new one. This should re-flag your modem for dual IP's, but your second IP will be different.
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by GotNoRice  edited by nil |
