Use the following procedure to configure DHCP snooping on a port to configure port trust and to enable or disable DHCP snooping with Option 82 for a port. Ports are untrusted by default.
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Step | Action |
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1 |
From the navigation tree, double-click Security. |
2 |
In the Security tree, double-click DHCP Snooping. |
3 |
In the work area, click the DHCP Snooping-port tab. |
4 |
To select a port to edit, click a Port row. |
5 |
In the Port row, double-click the cell in the DhcpSnoopingIfTrusted column. |
6 |
Select a value from the list—trusted or untrusted. |
7 |
Double-click the DhcpSnoopingIfOption82SubscriberId for a port. |
8 |
Type a subscriber Id value for the port. |
9 |
Click Apply. |
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--End-- | |
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Use the data in the following table to configure DHCP snooping on ports.
Variable | Value |
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Port | Indicates the port on the switch. |
DhcpSnoopingIfTrusted | Specifies whether the port is trusted or untrusted. Default is false. |
DhcpSnoopingIfOption82SubscriberId | Specifies the DHCP Option 82 subscriber Id for the port. Value is a character string between 0 and 64 characters. |