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Trusted interface – Dell PowerEdge VRTX User Manual

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When DHCP snooping is disabled for a VLAN, the Binding entries that were

collected for that VLAN are removed from the Binding database.
To enable/disable DHCP snooping on a VLAN:

1 Click Switching > DHCP Snooping > VLAN Settings in the tree view to

display the VLAN Settings page.
The list of existing VLANs are displayed in the

VLAN ID list.

2 Click Add to move the VLANs, for which you want to enable DHCP

snooping, from the VLAN ID list to the Enabled VLANs list. To remove a

VLAN, click Remove to move it from the Enabled VLANs list to the

VLAN ID list.

Configuring DHCP Snooping on VLANs Using CLI Commands

The following table summarizes the CLI commands for configuring

DHCP

snooping on VLANs

.

The following is an example of some of the CLI commands:

Trusted Interface

To define a trusted interface:

1 Click Switching > DHCP Snooping > Trusted Interface in the tree view

to display the Trusted Interface: Summary page.
A list of the interfaces is displayed.

2 To change the trust status of an interface, click Edit, and enter the fields:

Interface — Select a port or LAG.

Trust Status — Enable/disable DHCP Snooping Trust mode on the

selected port or LAG.

Table 17-3.

DHCP Snooping on VLANs

CLI Commands

CLI Command

Description

ip dhcp snooping vlan vlan-id

no ip dhcp snooping vlan-id

Enables DHCP snooping on a VLAN.
Use the no form of this command to

disable DHCP snooping on a VLAN.

console(config)# ip dhcp snooping vlan 1