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Dell EMC SmartFabric OS10 User Guide Release 10.5.1

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ip dhcp snooping trust

Configures an interface as trusted in a DHCP snooping enabled VLAN.

Syntax
ip dhcp snooping trust
Parameters
None
Defaults
Untrusted
Command Mode
INTERFACE
Usage Information

This command configures a physical or port channel interface as trusted. By default all physical and port channel interfaces in the DHCP snooping enabled VLAN are untrusted. You can configure a DHCP server-facing physical or port channel interface as trusted. The system permits DHCP server packets only if they ingress through a trusted interface. If the system receives DHCP packets on an untrusted interface, it interprets the device that is connected to the untrusted interface as rogue DHCP server and drops the packet.

The no version of this command resets the interface to untrusted.

Example 
OS10(conf-if-eth1/1/33)# ip dhcp snooping trust
Supported Releases
10.5.0 or later

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