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4.4.1 Anti attack
4.4.1.1 Anti DHCP attack
In the navigation bar to select
“fault/safety>anti attack>anti dhcp attack”
,Open the
DHCP anti-attack function, intercepting counterfeit DHCP server and address depletion
attack packets ban kangaroo DHCP server,the following picture
：
【
instructions
】
DHCP trusted port configuration,select the port as a trusted port. Prohibit DHCP for
address, select the port and save, you can disable this feature for the port
。
Open DHCP attack prevention function, need to set the DHCP protective vlan
simultaneously, other functions to take effect.
【
Configuration example
】
Such as
：
1.dhcp snooping open
2.Setting dhcp snooping vlan
