TP-Link TL-SG2424P TL-SG2424P V1 CLI Reference Guide - Page 104

DHCP Filtering Commands, ip dhcp filtering

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Chapter 17 DHCP Filtering Commands DHCP Filtering functions to monitor the process of hosts obtaining IP addresses from DHCP Servers by configuring the desired port(s) as Trusted Port(s). Only the hosts connected to the trusted port(s) can receive DHCP packets from DHCP servers. In this way, the switch can devoid of DHCP cheating attack which will cause network confusion and security problem. ip dhcp filtering Description The ip dhcp filtering command is used to enable DHCP Filtering function. To disabe please use no dhcp filtering command. Syntax ip dhcp filtering no ip dhcp filtering Command Mode Global Configuration Mode Example Enable the DHCP Filtering: TL-SG2424P(config)# ip dhcp filtering ip dhcp filtering trust Description The ip dhcp filtering trust command is used to configure a port to be a Trusted Port. Only the trusted ports can receive DHCP packets from DHCP servers. To turn the port back to a distrusted port, please use no ip dhcp filtering trust command. Syntax ip dhcp filtering trust no ip dhcp filtering trust Command Mode Interface Configuration Mode č interface gigabitEthernet / interface range ethernetĎ Example 94

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94
Chapter 17 DHCP Filtering Commands
DHCP Filtering functions to monitor the process of hosts obtaining IP addresses from DHCP
Servers by configuring the desired port(s) as Trusted Port(s). Only the hosts connected to the
trusted port(s) can receive DHCP packets from DHCP servers. In this way, the switch can devoid
of DHCP cheating attack which will cause network confusion and security problem.
ip dhcp filtering
Description
The
ip dhcp filtering
command is used to enable DHCP Filtering function. To
disabe please use no dhcp filtering command.
Syntax
ip dhcp filtering
no ip dhcp filtering
Command Mode
Global Configuration Mode
Example
Enable the DHCP Filtering:
TL-SG2424P(config)# ip dhcp filtering
ip dhcp filtering trust
Description
The
ip dhcp filtering trust
command is used to configure a port to be a Trusted
Port. Only the trusted ports can receive DHCP packets from DHCP servers. To
turn the port back to a distrusted port, please use
no ip dhcp filtering trust
command.
Syntax
ip dhcp filtering trust
no ip dhcp filtering trust
Command Mode
Interface Configuration Mode
（
interface gigabitEthernet / interface range
ethernet
）
Example