Defining DHCP Snooping on VLANS

1Open the DHCP Snooping VLAN Settings page.

2Click Add and Remove to add/remove VLAN IDs to or from the Enabled VLAN list.

3Click Apply Changes.

Configuring DHCP Snooping on VLANs with CLI Commands

The following table summarizes the equivalent CLI commands for configuring DHCP Snooping on VLANs .

Table 7-9. DHCP Snooping on VLANs CLI Commands

CLI Command

Description

ip dhcp snooping vlan vlan-idUse the ip dhcp snooping vlan global configuration command to enable DHCP

no ip dhcp snooping vlan-idsnooping on a VLAN. Use the no form of this command to disable DHCP snooping on a VLAN.

Defining Trusted Interfaces

The Trusted Interfaces page allows network managers to define Trusted interfaces. Interfaces are untrusted if the packet is received from an interface outside the network or from an interface beyond the network firewall. Trusted interfaces receive packets only from within the network or the network firewall.

To define Trusted interfaces, click SwitchDHCP Snooping Trusted Interface

Figure 7-17. Trusted Interfaces

Interface — Indicates the port or LAG on which DHCP Snooping Trust mode is enabled.

Trust Status — Indicates if the DHCP Snooping Trust mode is enabled on the port or LAG. The possible field values are:

Enable — Indicates that DHCP Snooping Trust mode is enabled on the port or LAG.

Disable — Indicates that DHCP Snooping Trust mode is disabled on the port or LAG.

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Configuring Switch Information

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Dell 3548 manual Defining Trusted Interfaces