3com WX3000 Manuel D’Utilisation

 

1-9 

Figure 1-4 ARP attack detection configuration 

GE1/0/3

Client  B

GE1/0/2

Client  A

Switch A
DHCP Snooping

GE1/0/1

 

 

# Enable DHCP snooping on Switch A. 

<SwitchA> system-view 

[SwitchA] dhcp-snooping 

# Specify GigabitEthernet 1/0/1 as the DHCP snooping trusted port and the ARP trusted port. 

[SwitchA] interface gigabitethernet 1/0/1 

[SwitchA-GigabitEthernet1/0/1] dhcp-snooping trust 

[SwitchA-GigabitEthernet1/0/1] arp detection trust 

[SwitchA-GigabitEthernet1/0/1] quit 

# Enable ARP attack detection on all ports in VLAN 1. 

[SwitchA] vlan 1 

[SwitchA-vlan1] arp detection enable