Directions are OS specific.

•In Windows 9x, go to Start | Run, and type winipcfg. You should see the relevant information when 'PPP adapter' is selected in the dropdown box.

•In Windows 2000, open a Command Prompt (Start | Programs | Accessories). Type ipconfig /all and review the information listed under the network adapter connected to your modem.

•In Windows XP, go to Start | Run and type cmd to open a command prompt window. Type ipconfig /all and review the information listed under the network adapter connected to your modem.

•In Vista & Windows 7, go to Start | Search and type cmd to open a command prompt window. Type ipconfig /all and review the information listed under the network adapter connected to your modem.

*All; be advised that if you are using a home networking router, you will see the LAN lease length that is being provided by the router's built in DHCP server and not the WAN lease length being provided by Comcast's DHCP server. To see the WAN lease length, you can either connect a computer directly to the modem (you need to powercycle / reset the modem) and then issue that command or and / or in many router's you can see this info somewhere in its User Interface pages.

*This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.

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by madylarian edited by Johkal
last modified: 2013-04-20 08:51:26