PLANET XGS3-24040 - Manual (Page 296)

19-9
19.2 ipv6 nd-security updateprotect
Command:
ipv6 nd-security updateprotect
no ipv6 nd-security updateprotect
Function:
Forbid ND automatic update function of IPv6 Version, the “no ipv6 nd-security updateprotect”
command re-enables ND automatic update function.
Parameter:
None
Default:
ND update normally.
Command Mode:
Global Mode/ Interface configuration
User Guide:
Forbid ND table automatic update, the ND packets conflicting with current ND item (e.g. with same
IP but different MAC or port) will be droped, the others will be received to update aging timer or
create a new item; so, the current ND item keep unchanged and the new item can still be learned.
Example:
Switch(Config-if-Vlan1)#ipv6 nd -security updateprotect
Switch(config)#ipv6 nd -security updateprotect
19.3 ip arp-security learnprotect
Command:
ip arp-security learnprotect
no ip arp-security learnprotect
Function:
Forbid ARP learning function of IPv4 Version, the “no ip arp-security learnprotect” command
re-enables ARP learning function.
Parameter:
None.
Default:
ARP learning enabled.
Command Mode:
Global Mode/ Interface Configuration.
Usage Guide:
This command is for preventing the automatic learning and updating of ARP. Unlike ip arp-security
updateprotect, once this command implemented, there will still be timeout even if the switch keeps
sending Request/Reply messages.
Example:
Switch(Config-if-Vlan1)# ip arp-security learnprotect