Defining Dhcp Snooping On Vlans - Allied Telesis AT-S94 User Manual

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DHCP Option 82 Insertion — DHCP Option 82 attaches authentication messages to the packets sent to
DHCP Server via TCP/IP network. The option permits network administrators to limit address allocation to
authorized hosts only. This permits network administrators to limit address allocation authorized hosts. The
possible field values are:
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Enable — Enables DHCP Option 82 Insertion on the device.
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Disable — Disables DHCP Option 82 Insertion on the device. This is the default value.
2. Define the fields.
3. Click Apply. The DHCP Snooping configuration is defined and the device is updated.
4. Click Save Config on the menu to save the changes permanently.

Defining DHCP Snooping on VLANs

The VLAN Settings Page allows network managers to enable DHCP snooping on VLANs. To enable DHCP
Snooping on a VLAN, ensure DHCP Snooping is enabled on the device.
To define DHCP Snooping on VLANs:
1. Click DHCP Snooping > VLAN Settings. The VLAN Settings Page opens:
Figure 46: VLAN Settings Page
The VLAN Settings Page contains the following fields:
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VLAN ID — Indicates the VLAN to be added to the Enabled VLAN list.
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Enabled VLANs — Contains a list of VLANs for which DHCP Snooping is enabled.
2. Select the VLAN name from the VLAN ID list and click Add. This VLAN name then appears in the Enabled
VLANs list.
3. Click Save Config on the menu to save the changes permanently.
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Configuring DHCP Snooping