3Com 3CRWE554G72T User Guide - Page 68

Dynamic IP Address, If this mode is selected, your IP Address, Subnet Mask, and DNS Address

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68 CHAPTER 5: ROUTER CONFIGURATION Dynamic IP Address Figure 48 Connection Parameters Screen - Dynamic IP If this mode is selected, your IP Address, Subnet Mask, and DNS Address will be obtained automatically from your ISP. They are not displayed on this screen, but may be viewed on the Status screen (click on Status and Logs on the left hand menu bar). To setup the Router for use with a dynamic IP address connection: 1 Select Dynamic IP Address (automatically allocated) in the IP Allocation Mode field. (Figure 48) 2 Enter your Primary DNS Address and Secondary DNS address. Your ISP may provide you with primary and secondary DNS addresses. If they have been provided, enter the addresses in the appropriate text boxes. If not, leave 0.0.0.0 in the boxes. 3 Enter the Host Name (optional). Some ISPs require a host name. If your ISP has this requirement, enter the host name in the Host Name text box. 4 If you use 'Cable', your ISP may use your MAC address to authenticate you. If this is the case, you will need to 'Clone' your MAC address. There are three options: ■ Use the Router's original Internet MAC address - This field is selected by default and is automatically filled in with the MAC address of the Router.

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68
C
HAPTER
5: R
OUTER
C
ONFIGURATION
Dynamic IP Address
Figure 48
Connection Parameters Screen - Dynamic IP
If this mode is selected, your IP Address, Subnet Mask, and DNS Address
will be obtained automatically from your ISP. They are not displayed on
this screen, but may be viewed on the Status screen (click on
Status and
Logs
on the left hand menu bar).
To setup the Router for use with a dynamic IP address connection:
1
Select
Dynamic IP Address (automatically allocated)
in the
IP Allocation
Mode
field. (
Figure 48
)
2
Enter your
Primary DNS Address
and
Secondary DNS address
.
Your ISP may provide you with primary and secondary DNS addresses. If
they have been provided, enter the addresses in the appropriate text
boxes. If not, leave
0.0.0.0
in the boxes.
3
Enter the
Host Name
(optional).
Some ISPs require a host name. If your ISP has this requirement, enter the
host name in the
Host Name
text box.
4
If you use ‘Cable’, your ISP may use your MAC address to authenticate
you. If this is the case, you will need to ‘Clone’ your MAC address. There
are three options:
■
Use the Router’s original Internet MAC address
- This field is selected
by default and is automatically filled in with the MAC address of the
Router.