Interfaces Local Area Networks (LANs)
Digi Connect IT® 16/48 User Guide
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n The Maximum Transmission Units (MTU).
n The domain name suffix appended to host names.
n The IPgateway address given to clients.
n The IPaddresses of the preferred and alternate Domain Name Server (DNS), NTP servers, and
WINS severs that are given to clients.
n The TFTP server name.
n The filepath and name of the bootfile on the TFTP server.
n Custom DHCP options. See Configure DHCP options for information about custom DHCP
options.
n Static leases. See Map static IP addresses to hosts for information about static leases.
WebUI
1. Log into the Connect IT 16/48 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click Network > Interfaces.
4. Click to expand an existing LAN, or create a new LAN. See Configure a LAN.
5. Click to expand IPv4 > DHCP server.
6. Enable the DHCP server.
7. (Optional) For Lease time, type the amount of time that a DHCP lease is valid.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format number{w|d|h|m|s}.
For example, to set Lease time to ten minutes, enter 10m or 600s.
The default is 12 hours.
8. (Optional) For Lease range start and Lease range end, type the lowest and highest IP
address that the DHCP server will assign to a client. This value represents the low order byte
of the address (the final triplet in an IPv4 address, for example, 192.168.2.xxx). The remainder
of the IP address will be based on the LAN's static IP address as defined in the Address field.
Allowed values are between 1 and 254, and the default is 100 for Lease range start and 250
for Lease range end.
9. Optional DHCP server settings:
a. Click to expand Advanced settings.
b. For Gateway, select either:
n None: No gateway is broadcast by the DHCP server. Client destinations must be
resolvable without a gateway.
n Automatic: Broadcasts the Connect IT 16/48 device's gateway.