Avaya 4600 Series Administrator's Manual page 47

10. Enter 30 days in the lease duration for all telephones that will receive their IP addresses from
the server. This is the duration after which a device's IP address expires and needs to be
renewed by the device.
11. Click the Next button.
The Configure DHCP Options dialog box is displayed.
12. Click the No, I will activate this scope later radio button.
The Router (Default Gateway) dialog box is displayed.
13. For each router or default gateway, enter the IP address and click the Add button.
When you are done, click the Next button.
The Completing the New Scope Wizard dialog box is displayed.
14. Click the Finish button.
You new scope is added under your server in the DHCP tree. It is not yet active and will not
assign IP Addresses.
15. Highlight the newly created scope and select Action->Properties from the menu.
16. Under Lease duration for DHCP clients, select Unlimited and then click the OK button.
WARNING:
IP Address leases are kept active for varying periods of time. To avoid having calls
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 you created in the last procedure.
A drop-down menu is displayed.
2. Click the Set Predefined Options option.
The Predefined Options and Values dialog box is displayed.
3. Click the Add button.
The Option Type dialog box is displayed.
Server Administration
4
DHCP
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