ZyXEL Communications GS1510-24 Manual De Usuario

 Chapter 18 IP Source Guard

GS1510 Series User’s Guide

Use this screen to enable and configure the settings for DHCP Snooping which is 
used to filter unauthorized DHCP packets on the network. To open this screen, 
click Security > IP Source Guard > DHCP Snooping > DHCP Snooping.

Figure 55   DHCP Snooping

The following table describes the labels in this screen.

Table 30   DHCP Snooping

State

Select Enable to use DHCP snooping on the Switch. You still have 
to enable DHCP snooping on specific VLANs and specify trusted 
ports.

Note: The Switch will drop all DHCP requests if you enable 

DHCP snooping and there are no trusted ports.

Select Disable to not use DHCP snooping.

VLAN State

Select Add and enter the VLAN IDs you want the Switch to 
enable DHCP snooping on. You can designate multiple VLANs 
individually by using a comma (,) and by range with a hyphen (-
).

Select Delete and enter the VLAN IDs you no longer want the 
Switch to use DHCP snooping on.