Digi TX40 User Manual page 199

Interfaces
e. For Primary and Secondary DNS, Primary and Secondary NTP server, and Primary and
Secondary WINS server, select either:
n
n
n
f. For Bootfile name, type the relative path and file name of the bootfile on the TFTP server.
g. For TFTP server name, type the IP address or host name of the TFTP server.
10. See Configure DHCP options
11. See Map static IP addresses to hosts
12. Click Apply to save the configuration and apply the change.

Command line
1. Select the device in Remote Manager and click Actions > Open Console, or log into the TX40
local command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Enable the DHCP server for an existing LAN. For example, to enable the DHCP server for a LAN
named my_lan:
(config)> network interface my_lan ipv4 dhcp_server enable true
(config)>
See Configure a Local Area Network (LAN)
4. (Optional) Set the amount of time that a DHCP lease is valid:
(config)> network interface my_lan ipv4 dhcp_server lease_time value
(config)>
where value is any number of weeks, days, hours, minutes, or seconds, and takes the format
number{w|d|h|m|s}.
For example, to set network interface my_lan ipv4 dhcp_server lease_time to ten minutes,
enter either 10m or 600s:
(config)> network interface my_lan ipv4 dhcp_server lease_time 600s
(config)>
n By default, DHCP leases are persistent across reboots. You can disable persistent leases:
(config)> network advanced dhcp_persistent_lease false
(config)>
5. (Optional) Set the lowest 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
TX40 User Guide
None: No server is broadcast.
Automatic: Broadcasts the TX40 device's server.
Custom: Allows you to identify the IP address of the server.
for information about Custom DHCP options.
for information about Static leases.
Local Area Networks (LANs)
for information about creating a LAN.
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