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title change: I CAN find the mac address, it's just 00-00-00-00-00-00

Y

yobarman

Lifer
router is: NETGEAR MR814

I know how to find a mac address, but the router isn't recognizing my roommates computer. It recognizes mine, and i can see his comptuer on "my network places" and can transfer stuff between them. But the router's configuration screen isnt recognizing the computer, thus not allowing me to see the MAC address.

Also, on his computer the network connection details should provide the mac address, but this part is blank 😕

 
Originally posted by: spidey07
ping his computer and then from a command prompt run "arp -g"
Click to expand...

this works for my computer and shows me my Mac Address, but his computer is not being recognized at all 🙁
 
then you have some serious network problems if you can ping an IP address but it doesn't show up in your arp table.

 
Originally posted by: spidey07
then you have some serious network problems if you can ping an IP address but it doesn't show up in your arp table.
Click to expand...

lol indeed. I have tried everything to get his comptuers MAC address but every i look it shows up 00-00-00-00-00-00. Lovely.

How is he connected to the internet through the router but his computer is not in the "attached devices" of the router software 😕
 
If his pc is Windows:

Click Start | Run

Type in "cmd" (without quotes)

Type in "ipconfig /all" (without quotes)

MAC Address should be listed. (May be called Physical Address).
 
Originally posted by: yobarman
Originally posted by: spidey07
then you have some serious network problems if you can ping an IP address but it doesn't show up in your arp table.
Click to expand...
How is he connected to the internet through the router but his computer is not in the "attached devices" of the router software 😕
Click to expand...
An Cable/DSL Router does not need MAC address or any thing from a computer that attached to it. The MAC address might be needed if special settings (like MAC Filtering) are used.

The page that I point gives few options; one of them is ipconfig that is part of Windows.

Tell your friend to click on Start click Run type in ?cmd? and press enter. DOS box would open, type at the prompt ?ipconfig /all? the MAC number would be on the screen next to Physical Address (Drop the quotation when you type the commands.)

:sun:

Edit: Sorry whalen. I noticed your post after I posted.
 
Originally posted by: whalen
If his pc is Windows:

Click Start | Run

Type in "cmd" (without quotes)

Type in "ipconfig /all" (without quotes)

MAC Address should be listed. (May be called Physical Address).
Click to expand...

Sorry.. but I am well aware of how to do this. What i'm trying to convey is that the ethernet/mac address/ physical address is blank!

It shows up 00-00-00-00-00-00!!
 
Also I should mention that the network card in my roomie's comp is a SiS 900 Fast Ethernet Adapter and i have reinstalled its drivers to no help 🙁 It's still 00-00-00-00-00-00!
 
I have this network hardware as part of my P4S800-MX mainboard, I had this very same problem when I was trying to enable MAC filtering on my router.

Go into device manager, find the Sis 900 network adapter listing. Edit the properties of this device, look for an option to set the MAC address. Type in the MAC address that you want it to use. Click OK/Apply. You may have to reboot, I don't remember.
 
Originally posted by: KoolAidKid
I have this network hardware as part of my P4S800-MX mainboard, I had this very same problem when I was trying to enable MAC filtering on my router.

Go into device manager, find the Sis 900 network adapter listing. Edit the properties of this device, look for an option to set the MAC address. Type in the MAC address that you want it to use. Click OK/Apply. You may have to reboot, I don't remember.
Click to expand...

Just tried this and i'm still getting the same results. :\
 
Here is how to change a MAC address in XP:

Use the <regedit> command.

Locate:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}

There are a bunch of folders named 0000, 0001, 0002, etc. Look at the 'DriverDesc' data values until you find the one that names your ethernet adapter.

In that folder create a new string named NetworkAddress if it doesn't already exist.

The value for you enter for this string will be your new MAC address in standard hex format, ie, 00-1A-2B-3C-4D-5E.

Now simply disable your network connection and re-enable; or restart your computer.
 
Originally posted by: nukexbi
Here is how to change a MAC address in XP:

Use the <regedit> command.

Locate:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}

There are a bunch of folders named 0000, 0001, 0002, etc. Look at the 'DriverDesc' data values until you find the one that names your ethernet adapter.

In that folder create a new string named NetworkAddress if it doesn't already exist.

The value for you enter for this string will be your new MAC address in standard hex format, ie, 00-1A-2B-3C-4D-5E.

Now simply disable your network connection and re-enable; or restart your computer.
Click to expand...

You are a golden god! :heart:

Damn ive been trouble shooting this comp for about 8 hours (not just this problem). Im tired 🙁
 
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