Siemens S223, S323 user manual Prohibition of 1N IP Address Assignment, Ignoring Bootp Request

User Manual	UMN:CLI
SURPASS hiD 6615 S223/S323 R1.5

To display a list of valid or invalid (blocked) IP addresses, use the following command.

		Command		Mode	Description
show	ip	dhcp	authorized-arp	Enable	Shows a list of valid IP addresses.
valid
				Global
show	ip	dhcp	authorized-arp
				Bridge	Shows a list of invalid (discarded) IP addresses.
invalid

To delete a list of invalid (blocked) IP addresses, use the following command.

Command	Mode	Description
clear ip dhcp authorized-arp	Enable
	Global	Deletes a list of invalid (discarded) IP addresses.
invalid
	Bridge

8.8.1.14Prohibition of 1:N IP Address Assignment

The DHCP server may assign plural IP addresses to a single DHCP client in case of plu- ral DHCP requests from the DHCP client which has the same hardware address. Some network devices may need plural IP addresses, but most DHCP clients like personal computers need only a single IP address. In this case, you can configure the hiD 6615 S223/S323 to prohibit assigning plural IP addresses to a single DHCP client.

To prohibit assigning plural IP addresses to a DHCP client, use the following command.

Command			Mode	Description
ip dhcp check	client-hardware-			Prohibits assigning plural IP addresses.
address
			Global
no ip dhcp	check	client-		Permits assigning plural IP addresses.
hardware-address

8.8.1.15Ignoring BOOTP Request

To allow a DHCP server to ignore received bootstrap protocol (BOOTP) request packets, use the following command.

Command	Mode	Description
ip dhcp bootp ignore	Global	Ignores BOOTP request packets.
no ip dhcp bootp ignore		Permits BOOTP request packets.

8.8.1.16DHCP Packet Statistics

To display DHCP packet statistics of the DHCP server, use the following command.

Command	Mode	Description
show ip dhcp server statistics	Enable	Shows DHCP packet statistics.
	Global
clear ip dhcp statistics		Deletes collected DHCP packet statistics.
	Bridge

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