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DCS-3950 series Ethernet switch manual
Related commands：clear ip dhcp conflict
18.2.2.10 ip dhcp excluded-address
Command: ip dhcp excluded-address <low-address>[<high-address>]
no ip dhcp excluded-address <low-address> [<high-address>]
Function: Specify addresses excluding from dynamic assignment; the ‘no ip dhcp
excluded-address <low-address> [<high-address>]’ command cancels the setting.
Parameters: <low-address> is the starting IP address, [<high-address>] is the ending
IP address.
Default: Only individual address is excluded by default.
Command mode: Global Mode
Usage Guide: This command can be used to exclude one or several consecutive
addresses in the pool from being assigned dynamically so that those addresses can be
used by the administrator for other purposes.
Example: Reserve addresses from 10.1.128.1 to 10.1.128.10 from dynamic
assignment.
Switch(Config)#ip dhcp excluded-address 10.1.128.1 10.1.128.10
18.2.2.11 ip dhcp pool
Command: ip dhcp pool <name>
no ip dhcp pool <name>
Function: Configure a DHCP address pool and enter the pool mode; the ‘no ip dhcp
pool <name>‘ command deletes the specified address pool.
Parameters: <name> is the address pool name, up to 255 characters are allowed.
Command mode: Global Mode
Usage Guide: This command is used to configure a DHCP address pool under Global
Mode and enter the DHCP address configuration mode.
Example: Define an address pool named ‘1’.
Switch(Config)#ip dhcp pool 1
Switch(dhcp-1-config)#
18.2.2.12 ip dhcp ping packets
Command：ip dhcp ping packets <count>
no ip dhcp ping packets
Function: Specify the number of ping packets the DHCP Server sends to a pool address
before assigning the address to a requesting client. If no is put in front of the command,
settings will be removed.
Parameters: <count> is the number of ping packets to be sent. Its value is limited
between 0 and 10.
Default: The default is two packets.
Command mode: Global Mode.
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