Planet Networking & Communication SGS-6340-24T4S Command Manual page 519

Chapter 27 Commands for Preventing ARP
27.1 ip arp-security updateprotect
Command:
ip arp-security updateprotect
no ip arp-security updateprotect
Function:
Forbid ARP table automatic update. The "no ip arp-security updateprotect" command re-enables ARP table
automatic update.
Parameter:
None.
Default:
ARP table automatic update.
Command Mode:
Global Mode/ Interface configuration.
User Guide:
Forbid ARP table automatic update, the ARP packets conflicting with current ARP item (e.g. with same IP but
different MAC or port) will be dropped, the others will be received to update aging timer or create a new item; so, the
current ARP item keep unchanged and the new item can still be learned.
Example:
Switch(Config-if-Vlan1)#ip arp-security updateprotect.
Switch(config)#ip arp-security updateprotect
27.2 ip arp-security learnprotect
Command:
ip arp-security learnprotect
no ip arp-security learnprotect
Spoofing
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