TP-Link T1500-28PCT T1500-28PCTTL-SL2428PUN V3 User Guide - Page 728

Configuring DHCP Filter DHCPv6 Filter Configuration 3.2 Using the CLI 3.2.1 Configuring the Basic DHCPv6 Filter Parameters Follow these steps to complete the basic settings of DHCPv6 Filter: Step 1 configure Enter global configuration mode. Step 2 ipv6 dhcp filter Enable DHCPv6 Filter globally. Step 3 interface { fastEthernet port | range fastEthernet port-list | gigabitEthernet port | range gigabitEthernet port-list | ten-gigabitEthernet port | range ten-gigabitEthernet port-list | interface port-channel port-channel-id | interface range port-channel port-channel-id-list } Enter interface configuration mode. Step 4 ipv6 dhcp filter Enable DHCPv6 Filter on the port. Step 5 ipv6 dhcp filter limit rate value Enable the limit rate feature and specify the maximum number of DHCP messages that can be forwarded on the port per second. The excessive DHCP packets will be discarded. value: Specify the limit rate value. The following options are provided: 0, 5,10,15,20,25 and 30 (packets/second). The default value is 0, which indicates disabling limit rate. Step 6 ipv6 dhcp filter decline rate value Enable the decline protect feature and specify the maximum number of Decline packets can be forwarded per second on the port. The excessive Decline packets will be discarded. value: Specify the limit rate value of Decline packets. The following options are provided: 0, 5,10,15,20,25 and 30 (packets/second). The default value is 0, which indicates disabling this feature. Step 7 show ipv6 dhcp filter Verify the global DHCPv6 Filter configuration. Step 8 show ipv6 dhcp filter interface [ fastEthernet port | gigabitEthernet port | tengigabitEthernet port | port-channel port-channel-id ] Verify the DHCPv6 Filter configuration of the port. Step 9 end Return to privileged EXEC mode. Step 10 copy running-config startup-config Save the settings in the configuration file. User Guide 705