Configure Trusted and Untrusted Ports

Use the following procedure to set the trust factor associated with a port for DHCP Snooping. By default, the trust factor is set to untrusted on all ports.

Note

Note

For ports that are members of an MLT, DHCP Snooping must be configured using the MLT configuration mode.

Before you begin

To enable DHCP Snooping on a port, you must enable DHCP Snooping globally.

Procedure

  1. In the navigation pane, expand Configuration > IP.
  2. Click DHCP Snooping.
  3. Click the DHCP Snooping-port tab.
  4. In the row for the port, double-click the DhcpSnoopingIfTrusted field, and select trusted or untrusted to set DHCP Snooping.
  5. Click Apply.

DHCP Snooping-port Field Descriptions

Use data in the following table to use the DHCP Snooping-port tab.

Name

Description

Port

Specifies the port on the switch.

DhcpSnoopingIfTrusted

Specifies if the switch ports are trusted for DHCP Snooping. By default, it is set as untrusted.
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