43
H8951-NA1 3G/4G Router User
Manual
Parameter
Details
Operation
Example
：
192.168.8.2
End IP
When IP pool select custom
configuration, configure the DHCP
pool end IP address
Manual input
Format
：
A.B.C.D/Mask
Example
：
192.168.8.254
Gateway
Type
DHCP client access gateway IP
source, divided into default, br0,
eth0, custom four categories,
associated interface, the interface IP
assigned to the DHCP client as a
gateway
Dropdown List
Default value
：
default
DNS Type
DHCP client access to the DNS IP
source, has a default, modem, eth0,
br0, custom and so on, generally do
not recommend to modify the
configuration.
Dropdown List
default
modem
eth0
br0
custom
Configuring
for
the
default
is based on DNS address
which is allocated by the
router itself
Lease Time
After the DHCP client obtain an IP on
IP lease time, the client usually
renegotiates obtain an IP address
lease time in more than half the time.
IP lease time is mainly used to
release idle IP to avoid that IP
address resources are also occupied
after the DHCP client shutdown
Value area
：
120-86400
Units
：
seconds
Default value
：
3600
IP, MAC binding is used to assign a fixed MAC within the specified range of IP addresses
IP
Binding with the specified MAC:
when a DHCP client sends a DHCP
request, the IP address with the
client’s MAC binding will be assigned
to the DHCP client. The IP address
will not be assigned to the other
client with different MAC address
even if it is not in use.
Manual input
Format
：
A.B.C.D/Mask
Example
：
192.168.8.2
MAC
Configure DHCP to obtain an IP need
to specify the DHCP client's MAC
address
WORD Type MAC Format
Example:
00:1A:4D:34:B1:8E
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