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3.6.11. DHCP Server
[Operating interface]
LAN/wireless LAN interface
[Basic specifications]
It is based on RFC2131 and RFC2132. It does not support DHCP relay function.
Supported messages are as follows.
Packet Direction
Send
Receive
Contents of the transmitted OFFER and ACK messages are as follows.
Field/Option
IP Address
Subnet Mask [1]
Router [3]
Domain Name Server [6]
Domain Name [15]
NetBIOS Name Server [44]
IP Address Lease Time [51]
Before distributing the IP address to the DHCP client, ARP checks whether the address is not in use.
The specification of the DHCP DECLINE message is as follows.
When a DECLINE message is received, the corresponding IP address is not distributed for three minutes.
DHCP Message
OFFER, ACK
DISCOVER, REQUEST, RELEASE, DECLINE
Initial Value
Distribution from the assigned
address
255.255.255.0
192.168.110.1
192.168.110.1
(Blank: User setting value is
used.)
(Blank: User setting value is
used.)
24 hours
Supplementary
At most 250 addresses are distributed.
Setting can be changed.
Setting can be changed.
Set the IP address of the LAN interface
when the NAPT function is enabled.
Number of input characters: 64
Input characters: Alphanumeric
characters and ! ' ( ) * - . _ ~
Setting can be changed. (At most 72
hours)
If set to 0, it means "no limit".
|Function Specification
101
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