Chapter 9 DHCP Server
LTE3302-M432 & LTE3312-M432 User’s Guide
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9.3 DHCP Server Advanced Screen
This screen allows you to assign IP addresses on the LAN to specific individual computers based on their
MAC addresses. You can also use this screen to configure the DNS server information that the LTE Device
sends to the DHCP clients.
To change your LTE Device’s static DHCP settings, click Configuration > Network > DHCP Server >
Advanced. The following screen displays.
DHCP Relay Select this option to have the LTE Device forward DHCP requests to the DHCP server.
DHCP Server IP This field is configurable only when you select DHCP Relay.
Enter the IP address of the actual remote DHCP server in this field.
Lease Time This is the period of time DHCP-assigned addresses is used. DHCP automatically assigns IP
addresses to clients when they log in. DHCP centralizes IP address management on
central computers that run the DHCP server program. DHCP leases addresses, for a
period of time, which means that past addresses are “recycled” and made available for
future reassignment to other systems.
VLAN DHCP x Server
This section is configurable only when you create a corresponding VLAN group in the Interface Group screen.
DHCP Server Select Enable to activate DHCP for the VLAN group.
IP Pool Starting Address This field specifies the first of the contiguous addresses in the IP address pool for LAN.
Pool Size This field specifies the size, or count of the IP address pool for LAN.
First DNS Server
Second DNS Server
Specify the IP addresses up to two DNS servers for the DHCP clients to use.
Select Obtained From ISP if your ISP dynamically assigns DNS server information (and the
LTE Device's WAN IP address). The field to the right displays the (read-only) DNS server IP
address that the ISP assigns.
Select User-Defined if you have the IP address of a DNS server. Enter the DNS server's IP
address in the field to the right.
Select DNS Relay to have the LTE Device act as a DNS proxy. The LTE Device's LAN IP
address displays in the field to the right (read-only). The LTE Device tells the DHCP clients
on the LAN that the LTE Device itself is the DNS server. When a computer on the LAN sends
a DNS query to the LTE Device, the LTE Device forwards the query to the LTE Device's
system DNS server (configured in the WAN screen) and relays the response back to the
computer.
Cancel Click Cancel to begin configuring this screen afresh.
Apply Click Apply to save your changes back to the LTE Device.
Table 36 Configuration > Network > DHCP Server > General (continued)
LABEL DESCRIPTION
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