ZyXEL Communications XGS-4728F User Manual page 245

open this screen, click Advanced Application > IP Source Guard > DHCP
Snooping > Configure > VLAN.
Figure 126 DHCP Snooping VLAN Configure
The following table describes the labels in this screen.
Table 79 DHCP Snooping VLAN Configure
LABEL
Show VLAN
Start VID
End VID
Apply
VID
Enabled
Option82
Information
XGS-4728F User's Guide
DESCRIPTION
Use this section to specify the VLANs you want to manage in the
section below.
Enter the lowest VLAN ID you want to manage in the section
below.
Enter the highest VLAN ID you want to manage in the section
below.
Click this to display the specified range of VLANs in the section
below.
This field displays the VLAN ID of each VLAN in the range
specified above. If you configure the * VLAN, the settings are
applied to all VLANs.
Select Yes to enable DHCP snooping on the VLAN. You still have
to enable DHCP snooping on the Switch and specify trusted ports.
Note: The Switch will drop all DHCP requests if you enable
DHCP snooping and there are no trusted ports.
Select this to have the Switch add the slot number, port number
and VLAN ID to DHCP requests that it broadcasts to the DHCP
VLAN, if specified, or VLAN. You can specify the DHCP VLAN in the
DHCP Snooping Configure screen. See
241.
Select this to have the Switch add the system name to DHCP
requests that it broadcasts to the DHCP VLAN, if specified, or
VLAN. You can configure the system name in the General Setup
screen. See Chapter 8 on page
VLAN in the DHCP Snooping Configure screen. See
26.5 on page 241.
Chapter 26 IP Source Guard
Section 26.5 on page
77. You can specify the DHCP
Section
245