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DCS-3950 series Ethernet switch manual
DHCP server assigns the IP address defined in ‘host’ command to the client.
Example: Specify IP address 10.1.128.160 to be bound to the user with hardware
address 00-00-e2-3a-26-04 in manual address binding.
Switch(dhcp-1-config)#hardware-address 00-00-e2-3a-26-04
Switch(dhcp-1-config)#host 10.1.128.160 24
Related Command：host
18.2.2.8 host
Command: host <address> [<mask> | <prefix-length> ]
no host
Function: Specify the IP address to be assigned to the user when binding addresses
manually; the ‘no host’ command deletes the IP address.
Parameters: <address> is the IP address in decimal format; <mask> is the subnet mask
in decimal format; <prefix-length> means mask is indicated by prefix. For example, mask
255.255.255.0 in prefix is ‘24’, and mask 255.255.255.252 in prefix is ‘30’.
Command mode: DHCP Address Pool Mode
Usage Guide: If no mask or prefix is configured when configuring the IP address, and no
information in the IP address pool indicates anything about the mask, the system will
assign a mask automatically according to the IP address class.
This command is used with ‘hardware-address’ command or ‘client-identifier’ command
when binding addresses manually. If the identifier or hardware address of the requesting
client matches the specified identifier or hardware address, the DHCP server assigns the
IP address defined in ‘host’ command to the client.
Example: Specify IP address 10.1.128.160 to be bound to user with hardware
address 00-10-5a-60-af-12 in manual address binding.
Switch(dhcp-1-config)#hardware-address 00-10-5a-60-af-12
Switch(dhcp-1-config)#host 10.1.128.160 24
Related command：hardware-address、client-identifier
18.2.2.9 ip dhcp conflict logging
Command: ip dhcp conflict logging
no ip dhcp conflict logging
Function: Enable logging for address conflicts detected by the DHCP server; the ‘no ip
dhcp conflict logging’ command disables the logging.
Default: Logging for address conflict is enabled by default.
Command mode: Global Mode
Usage Guide: When logging is enabled, once the address conflict is detected by the
DHCP server, the conflicting address will be logged. Addresses present in the log for
conflicts will not be assigned dynamically by the DHCP server until the conflicting records
are deleted.
Example: Disable logging for DHCP server.
Switch(Config)#no ip dhcp conflict logging
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