Planet WGSW-52040 Configuration Manual page 247

48-port 10/100/1000base-t + 4-port 100/1000x sfp managed switch

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So it is very important to protect ARP list, configure to forbid ARP learning command in stable

environment, and then change all dynamic ARP to static ARP, the learned ARP will not be

refreshed, and protect for users.

Switch#config

Switch(config)#interface vlan 1

Switch(config-if-vlan1)#arp 192.168.2.1 00-00-00-00-00-01 interface ethernet 1/1

Switch(config-if-vlan1)#arp 192.168.2.2 00-00-00-00-00-02 interface ethernet 1/2

Switch(config-if-vlan1)#arp 192.168.2.3 00-00-00-00-00-03 interface ethernet 1/3

Switch(Config-If-Vlan3)#exit

Switch(Config)#ip arp-security learnprotect

Switch(Config)#

Switch(config)#ip arp-security convert

If the environment changing, it enable to forbid ARP refresh, once it learns ARP property, it

wont be refreshed by new ARP reply packet, and protect use data from sniffing.

Switch#config

Switch(config)#ip arp-security updateprotect

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