Chapter 9 DHCP Server
LTE3311 Series User’s Guide
88
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
LTE3311 sends to the DHCP clients.
To change your LTE3311’s static DHCP settings, click Network > DHCP Server > Advanced. The
following screen displays.
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.
DHCP IP Address Enter the LAN IP address you want to assign to your LTE3311 in this VLAN group.
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 LTE3311'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 LTE3311 act as a DNS proxy. The LTE3311's LAN IP
address displays in the field to the right (read-only). The LTE3311 tells the DHCP
clients on the LAN that the LTE3311 itself is the DNS server. When a computer on the
LAN sends a DNS query to the LTE3311, the LTE3311 forwards the query to the
LTE3311's system DNS server (configured in the WAN screen) and relays the
response back to the computer.
Apply Click Apply to save your changes back to the LTE3311.
Cancel Click Cancel to begin configuring this screen afresh.
Table 34 Network > DHCP Server > General (continued)
LABEL DESCRIPTION
To Next Page
Loading...
