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no ip dhcp pool <name>
Function: Configures 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 32 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: Defining an address pool named ―1‖.
Switch(config)#ip dhcp pool 1
Switch(dhcp-1-config)#
15.1.16 ip dhcp conflict ping-detection enable
Command: ip dhcp conflict ping-detection enable
no ip dhcp conflict ping-detection enable
Function: Enable Ping-detection of conflict on DHCP server; the no operation of this
command will disable the function.
Parameters: None.
Default Settings: By default, Ping-detection of conflict is disabled.
Command Mode: Global Configuration Mode.
Usage Guide: To enable Ping-detection of conflict, one should enable the log of conflict
addresses, when which is disabled, so will the ping-detection of conflict. When a client is
unable to receive Ping request messages (when blocked by firewall, for example), this
function will check local ARP according to allocated IP: if a designated IP has a
corresponding ARP, then an address conflict exists; otherwise, allocate it to the client.
Examples: Enable Ping-detection of conflict.
Switch(config)#ip dhcp conflict ping-detection enable
Related Command: ip dhcp conflict logging, ip dhcp ping packets, ip dhcp ping
timeout
15.1.17 ip dhcp ping packets
Command: ip dhcp ping packets <request-num>
no ip dhcp ping packets
Function: Set the max number of Ping request (Echo Request) message to be sent in
Ping-detection of conflict on DHCP server, whose default value is 2; the no operation of
this command will restore the default value.
Parameters: <request-num> is the number of Ping request message to be sent in