Use the following procedure to specify whether a particular port or multiple ports are trusted or untrusted. 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 |
In the Make Selection section, click the Switch/Stack/Ports ellipsis. |
5 |
Click a port, a range of ports, or All. |
6 |
Click Ok. |
7 |
In the Make Selection section, double-click in the cell under DhcpSnoopingIfTrusted |
8 |
Click a value in theDhcpSnoopingIfTrusted list—trusted or untrusted. |
9 |
In the Make Selection section, double-click in the cell under DhcpSnoopingIfTrusted |
10 |
In the DhcpSnoopingIfOption82SubscriberId cell, type a subscriber Id value for the port. |
11 |
Click Apply Selection. |
12 |
On the toolbar, click Apply. |
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--End-- | |
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Variable | Value |
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Port | Indicates the port on the switch. |
DhcpSnoopingIfTrusted | Indicates whether the port is trusted or untrusted. Default is false. |
DhcpSnoopingIfOption82SubscriberId |
Indicates the DHCP option 82 subscriber ID. Value is a character string between 0 and 64 characters. |