ECS2020 Series CLI Reference Guide-R04

DHCP-Snooping trust

Open the DHCP-Snooping trust function, if a port is an untrusted port, then the port DHCP service

messages received will be discarded if a port is trusted then it can normal forward DHCP service

messages.

dhcp-snooping trust

no dhcp-snooping trust

untrusted or no dhcp-snooping trust

Interface configuration mode

In port mode, when the port is opened, the port can forward a service message. If this

port is an untrusted port, then the port cannot forward the service message.

ECS2020-10P(config-if-GigabitEthernet0/2)# dhcp-snooping trust

dhcp snooping for vlan

Enables

DHCP

snooping for a VLAN.

Enable

global configuration mode

Parameter

Description

dhcp-snooping trust

Configure the port as dhcp-cnooping trust

no dhcp-snooping trust

Configure the port as dhcp-cnooping untrusted.

Command

Description

show dhcp-snooping

Displays the DHCP snooping

configuration.

Parameter

Description

dhcp snooping vlan

Enable dhcp snooping on a VLAN

Default

Mode

Example

Usage

Default

Mode