Dhcp Option 82 Application Examples - Planet Networking & Communication WGSW-50040 Configuration Manual

3． Enable DHCP Snooping option 82 binding function
4． Configure trust ports
1. Enable DHCP SNOOPING
Command
Global mode
ip dhcp snooping enable
no ip dhcp snooping enable
2. Enable DHCP Snooping binding function
Command
Interface configuration mode
ip dhcp snooping binding enable
no ip dhcp snooping binding enable
3. Enable DHCP Snooping option 82 function
Global mode
ip dhcp snooping information enable
no ip dhcp snooping information enable
4. Configure trust ports
Admin mode
ip dhcp snooping trust
no ip dhcp snooping trust

20.3 DHCP option 82 Application Examples

DHCP Client PC1
Command
Command
Vlan1:eth1/3
Figure 20-2 A DHCP option 82 typical application example
Explanation
Enable or disable DHCP SNOOPING
function.
Explanation
Enable or disable
binding function.
Enable or disable DHCP SNOOPING
option 82 function.
Set or delete DHCP SNOOPING trust
attribute of ports.
Switch1
20-9
DHCP SNOOPING
Explanation
Explanation
DHCP Server