dhcp-snooping trust

Syntax

dhcp-snooping trust

undo dhcp-snooping trust

View

Layer 2 Ethernet port view, Layer 2 aggregate interface view

Default level

2: System level

Parameters

None

Description

Use dhcp-snooping trust to configure a port as a trusted port.

Use undo dhcp-snooping trust to restore the default state of a port.

All ports are untrusted by default.

After enabling DHCP snooping, you must specify the ports connected to the valid DHCP servers as trusted to make sure that DHCP clients can obtain valid IP addresses.

Related commands: display dhcp-snooping trust.

Examples

# Configure Ethernet 1/0/1 as a trusted port and enable it to record the IP-to-MAC bindings of clients.

<Sysname> system-view
[Sysname] interface Ethernet 1/0/1
[Sysname-Ethernet1/0/1] dhcp-snooping trust