WESM zl Management and Configuration Guide WT.01.28 and greater

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IP Services—IP Settings, DHCP, and DNS
DHCP Server
4. Specify the time-to-live for updates in the TTL field. This setting determines the
time in seconds that the Wireless Edge Services zl Module waits for a reply from
the DDNS server.
The valid range is from 1 through 65,535 seconds.
5. From the Automatic Update drop-down menu, select which device sends the
dynamic updates:
• Select Server Update to have the Wireless Edge Services zl Module send
an update whenever one of its DHCP clients accepts an IP address from it.
• Select Client Update to have each DHCP client send an update when it
receives an IP address from the DHCP server. In this case, the client must
support DDNS.
• Select Off to disable automatic updates. You can still send manual updates
to the DDNS server by clicking the Send All button.
6. Optionally, check the Enable Multiple User Class box.
This setting allows users to send multiple user classes. The name in the DDNS
updates includes the first class.
7. Specify the IP addresses of up two DDNS servers in the DDNS Servers field.
8. Click the OK button.
Make sure that the DHCP server is enabled, and then save your configuration.
Viewing DHCP Bindings
The Wireless Edge Services zl Module stores a table of the IP addresses that it has
assigned to DHCP clients. You can view this table and verify that the DHCP server
is issuing the correct addresses.
Select Network Setup > DHCP Server and click the Status tab.