292 Configuring Switch InformationDefining DHCP Snooping on VLANS1 Open the DHCP Snooping VLAN Settings page.2 Click Add and Remove to add/remove VLAN IDs to or from the Enabled VLAN list.3 Click Apply Changes.Configuring DHCP Snooping on VLANs with CLI CommandsThe following table summarizes the equivalent CLI commands for configuring DHCP Snooping on VLANs .Defining Trusted InterfacesThe Trusted Interfaces page allows network managers to define Trusted interfaces. Interfaces areuntrusted if the packet is received from an interface outside the network or from an interface beyond thenetwork firewall. Trusted interfaces receive packets only from within the network or the network firewall.To define Trusted interfaces, click Switch→ DHCP Snooping → Trusted InterfaceFigure 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.Table 7-9. DHCP Snooping on VLANs CLI CommandsCLI Command Descriptionip dhcp snooping vlan vlan-idno ip dhcp snooping vlan-idUse the ip dhcp snooping vlan global configuration command to enable DHCPsnooping on a VLAN. Use the no form of this command to disable DHCPsnooping on a VLAN.
