# Configuring DHCP snooping on a VLAN using EDM

Use the following procedure to enable or disable DHCP snooping on the VLAN.

| Important
| You must enable DHCP snooping separately for each Vlan ID.

| Important
| If you disable DHCP snooping on a VLAN, the switch forwards DHCP reply packets to all applicable ports, whether the port is trusted or untrusted.

## Procedure steps

1. From the Device Physical View, select a port.

2. From the navigation tree, double-click Security.

3. In the Security tree, double-click DHCP Snooping.

4. In the work area, click the DHCP Snooping-VLAN tab.

5. To select a VLAN to edit, click the VLAN ID.

6. In the VLAN row, double-click the cell in the DhcpSnoopingEnabled column.

7. Select a value from the list—true to enable DHCP snooping for the VLAN, or false to disable DHCP snooping for the VLAN.

8. In the VLAN row, double-click the cell in the VlanOption82Enabled column.

9. Select a value from the list—true to enable DHCP snooping with Option 82 for the VLAN, or false to disable DHCP snooping with Option 82 for the VLAN.

10. On the toolbar, click Apply.

## Variable definitions

Use the data in the following table to configure DHCP snooping on a VLAN.

Variable | Value
--- | ---
VlanId | Indicates the VlanId on the VLAN.
DhcpSnoopingEnabled | Enables or disables DHCP snooping.
VlanOption82Enabled | Enables or disables DHCP Snooping option 82 for the VLAN.