PLANET WGSW-50040 - Manual (Page 248)

Commands for Security Function Chapter 6 Commands for TACACS+
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
15.1.16 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 Ping-detection of conflict.
Default Settings:
No more than 2 Ping request messages will be sent by default.
Command Mode:
Global Configuration Mode.
Examples:
Set the max number of Ping request (Echo Request) message to be sent in Ping-detection of
conflict on DHCP server as 3.
Switch(config)#ip dhcp ping packets 3
Related Command:
ip dhcp conflict ping-detection enable, ip dhcp ping timeout