Adding Dhcp Options - Avaya 1600 Series Administrator's Manual

Server Administration
16. Under Lease duration for DHCP clients, select Unlimited and then click the OK button.
!
CAUTION:
IP address leases are kept active for varying periods of time. To avoid having calls
CAUTION:
terminated suddenly, make the lease duration unlimited.

Adding DHCP Options

Use the following procedure to add DHCP options to the scope you created in the previous procedure.
1. On the DHCP window, right-click the Scope Options folder under the scope you created in the last
procedure.
A drop-down menu displays.
2. In the left pane of the DHCP window, right click the DHCP Server name, then click Set Predefined
Options....
3. Under Predefined Options and Values, click Add.
4. In the Option Type Name field, enter any appropriate name, for example, "Avaya IP
Deskphones."
5. Change the Data Type to String.
6. In the Code field, enter 242, then click the OK button twice.
The Predefined Options and Values dialog box closes, leaving the DHCP dialog box enabled.
7. Expand the newly created scope to reveal its Scope Options.
8. Click Scope Options and select Action-->Configure Options from the menu.
9. In the General tab page, under the Available Options, check the Option 242 checkbox.
10. In the Data Entry box, enter the DHCP IP deskphone option string as described in
DHCP Generic Setup
Note:
You can enter the text string directly on the right side of the Data Entry box under the
Note:
ASCII label.
11. From the list in Available Options, check option 003 Router.
12. Enter the gateway (router) IP Address from the IP address field of
Information Before Installation - Per DHCP
13. Click the Add button.
14. Click the OK button.
48 1600 Series IP Deskphone Administrator Guide
on page 38.
Server.
Table 3: Required Network