ZXR10 5900/5200 Series User Manual (Basic Configuration Volume)
F
IGURE
24 DHCP SNOOPING CONFIGURATION
R1 configuration:
ZXR10(config)#interface gei_1/1
ZXR10(config-gei_1/1)#switch access vlan 100
ZXR10(config-gei_1/1)#exit
ZXR10(config)#interface gei_1/2
ZXR10(config-gei_1/2)#switch access vlan 100
ZXR10(config-gei_1/2)#exit
ZXR10(config)#ip dhcp snooping enable
ZXR10(config)#ip dhcp snooping vlan 100
ZXR10(config)#ip dhcp snooping trust gei_1/1
DHCP Snooping Prevent Static IP
Configuration Example
DHCP server belongs to vlan 100 and PC belongs to vlan 200. PC
gets the IP address use by DHCP. Now it is required to forbid the PC
to configure the static IP address through the DHCP snooping and
dynamic ARP inspection technologies. This illustration is shown in
Figure 25
.
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