Troubleshooting Procedures
62
D3CM1604V EMTA Cable Modem Administrator Manual
EMTA is Not Passing DHCP Address to a computer
If the EMTA is not passing DHCP addresses to a computer over a wired or wireless
connection:
1. Be sure the computer’s IP is not statically set already.
2. Release and renew the NIC’s IP address:
a. From the Windows task bar, click
Start
and select
Run
.
b. In the
Open
field, type
cmd
and click
OK
.
c. At the first command prompt, type
ipconfig/release
and press Enter.
d. At the next command prompt, type
ipconfig/renew
and press Enter.
3. For wired connections, be sure the physical cable connections are correct.
Determining a Computer’s MAC Address
The following sections describe how to obtain a computer’s MAC address.
Microsoft Windows
To determine the MAC address on a Windows computer:
1. From the Windows task bar, click
Start
and select
Run
.
2. In the
Open
field, type
cmd
and click
OK
. A DOS command window appears.
3. In the DOS command window, type
ipconfig/all
and press Enter.
4. This window displays your networking information. The MAC address appears as a
Physical Address
below
Ethernet adapter Local Area Connection
. In the example in
Figure 5-6, the MAC address is
00-1E-8C-94-09-EA
, which is the physical address of the
NIC card.
5. When you finish, type
exit
at the command prompt and press Enter to close the window.
