292 Configuring Switch Information
Defining DHCP Snooping on VLANS
1
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 Commands
The following table summarizes the equivalent CLI commands for configuring DHCP Snooping on VLANs .
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 Switch→ DHCP 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.
Thepossible 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 Commands
CLI Command Description
ip dhcp snooping vlan vlan-id
no ip dhcp snooping vlan-id
Use the ip dhcp snooping vlan global configuration command to enable DHCP
snooping on a VLAN. Use the no form of this command to disable DHCP
snooping on a VLAN.