3Com 10014299 manual Use reset, debugging and display command in All views

342CHAPTER 21: CONFIGURING IP APPLICATION

assume that the IP address in this segment is not in use. Only when it is not in use can the IP address be allocated to the specified client.

Perform the following configurations in system view.

Table 377 Configure maximum number of ping packets sent by DHCP server & time for response

Operation	Command
Configure the maximum number of ping packets sent	dhcp server ping { packets
by the DHCP server	number }
Restore the maximum number of ping packets sent	undo dhcp server ping
by the DHCP server to the default value	packets
Configure the longest time waiting for response after	dhcp server ping { timeout
ping packets are sent by the DHCP server	milliseconds }
Restore the longest time waiting for response after	undo dhcp server ping
ping packets are sent by the DHCP server to the	timeout
default value

By default, the number of ping packets being sent is 2 and the time waiting for ping response packets is 500ms.

12Configure self-defined options

As DHCP continuously develops, you can support these new options/development by adding add them to the attribute tables of the DHCP servers by means of the self-defined options.

Perform the following configurations in DHCP address pool view.

Table 378 Configure DHCP self-defined options

Operation	Command
Configure DHCP self-defined options	option code { ascii ascii-string
	hex hex-string [ hex-string… ]
	ip-address ip-address}
Delete the DHCP self-defined options	undo option code

Display and Debug DHCP Server

Use reset, debugging and display command in All views.

Table 379 Display and Debug DHCP servers

Operation	Command
Display the address binding information of	display dhcp server ip-in-use [
DHCP	ip-address ]
Reset all the address binding information of	reset dhcp server ip-in-use {
DHCP	all ip-address }
Display the statistic information of address	display dhcp server conflict [
conflicts of DHCP	ip-address ]
Reset all the statistics of address conflicts of	reset dhcp server conflict { all
DHCP	ip-address }
Display the statistics of DHCP server	display dhcp server statistics
Reset all the statistics of DHCP server	reset dhcp server statistics
Display the information of the available	display dhcp server expired
addresses in the DHCP address pool
Display the information of the tree structure in	display dhcp server tree
the DHCP address pool
Enable the DHCP server debugging	debugging dhcp server { events
	packet ip-relation }