TP-Link T1600G-28PS Jetstream Smart Switches User Guide - Page 762

Configuring IPv4 IMPB IP-MAC Binding Configuration 2.2.2 Binding Entries via DHCP Snooping Follow these steps to bind entries via DHCP Snooping: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 configure Enter global configuration mode. ip dhcp snooping Globally enable DHCP Snooping. ip dhcp snooping vlan vlan-range Enable DHCP Snooping on the specified VLAN. vlan-range: Enter the vlan range in the format of 1-3, 5. 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. ip dhcp snooping max-entries value Configure the maximum number of binding entries the port can learn via DHCP snooping. value: Enter the value of maximum number of entries. The valid values are from 0 to 512. show ip dhcp snooping Verify global configuration of DHCP Snooping. end Return to privileged EXEC mode. copy running-config startup-config Save the settings in the configuration file. The following example shows how to enable DHCP Snooping globally and on VLAN 5, and set the maximum number of binding entries port 1/0/1 can learn via DHCP snooping as 100: Switch#configure Switch(config)#ip dhcp snooping Switch(config)#ip dhcp snooping vlan 5 Switch(config)#interface gigabitEthernet 1/0/1 Switch(config-if)#ip dhcp snooping max-entries 100 Switch(config-if)#show ip dhcp snooping Global Status: Enable User Guide 737