To get the translated MAC address: Disable the MAC filter on your router. To allow the wireless device to connect, you must add the translated MAC address into the router. When I run the Win 98 IP configuration I get an IP address that starts with and other messages say that's the IP address from the modem and not comcast's DHCP servers, which is supposed to mean that the DHCP request isn't being forwarded. The wireless device MAC address is translated to another MAC address when the wireless device connects to the extender. The Ethernet MAC address listed differs by the last digit. We programmed the WAN interface on the SonicWall with the one of the static IP addresses in our range, the subnet mask of the static IP and the gateway. This makes you unable to access the ComCast gateway any longer via the 10.1.10.x network. Now I gave them the address listed on the outside of the box, and per the diagnostic page that is the "HFC MAC Address" (I have no clue what this means). We (ComCast tech) disabled the DHCP server on the ComCast gateway. Started searching and found some information that says that the MAC address of ethernet port is to be given to comcast.
Tech service and 5 phone calls later says they can't support self install and wants to send technician out and charge me GRRRR.
Have installed USB drivers and comcast software. Therefore, they will likely issue a new IP address whenever you change your router / MAC.Trying to get up and running w/comcast self install kit. Yes, unless you have purchased a static IP address from them you cannot prevent Comcast from changing your IP address. Step 4- Locate the default gateway line where the IP address of a modem is the IP list on the default gateway line. Step 3- To run the command, type "ipconfig/all" in the command prompt and press Enter. Step 2- Press the Enter button after typing “cmd” in the search box to open the command prompt
Step 1- Click the start button of the Windows Finding the Xfinity IP Address of Your Modem Step 5- To exit type “exit” at the blinking cursor and press Enter. Depending on the model you end up with, you’ll find the MAC ID on a label affixed to either the bottom, the side or the back of the modem.
Step 4- Try to look for the entries near the end of the list- DHcpEnabled. Note: You’ll be asked for the modem’s MAC ID so it would be a good idea to write it down ahead of time on a piece of paper so you can refer to while you’re on the phone with Comcast. Step 3- Type “ipconfig/all” at the blinking cursor and press Enter. Step 2- Select Run and type command and click Ok Step 4- After typing press Enter to open a command prompt window.įinding Your Current Comcast IP Address and Checking Whether It is Static or Dynamic Step 3- Press Win-R and type “cmd” (without quotes) alternatively.
(Note- Check your Comcast manual for the IP address of your modem if this address fails to resolve) Step 7- The currently assigned IP address of the Comcast modem will be displayed. Step 6- After connecting your computer to the router, open the web interface of the modem and look at the settings of the router which is connected to the Comcast modem. Step 5- Look at the IP address that has returned, which is the current IP of your Comcast modem.
Step 4- Wait for the command prompt to appear and then type “ipconfig” in the Run window. Step 3- Connect your computer directly to the Comcast modem by clicking Start then C in the Run window. Step 2- Use an online IP checking website where the IP address displayed on the site will be the IP address that is currently assigned to your modem. This is supported and usually enabled by default on vendor-supplied modems and can allow an ISP to retrieve data from the router, like the key. Step 1- Open a web browser on your computer that is connected to the modem or to the router that is connected to the modem. If Comcast does know your password, then it is because the router is transmitting it to them, most likely by using CWMP, a remote management protocol from TR-069. These methods offer a variety of options for finding out the IP address and require only a few basic understandings of the computer to carry out the process based on what your current setup happens to be. Through a few steps, you can easily find out its IP address if you are using a Comcast modem. Determine IP Address of My Comcast Modem:Ĭomcast modem gets connected to the central Comcast network when they are plugged in and is used to retrieve an IP address to assign to your router or computer whichever is plugged into the modem.