ZyXEL Communications GS2200-24 User Manual page 226

Chapter 26 IP Source Guard
open this screen, click Advanced Application > IP Source Guard > DHCP
Snooping > Configure > VLAN.
Figure 107 DHCP Snooping VLAN Configure
The following table describes the labels in this screen.
Table 70 DHCP Snooping VLAN Configure
LABEL
Show VLAN
Start VID
End VID
Apply
VID
Enabled
Option82
Information
Apply
Cancel
226
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: If DHCP is enabled and there are no trusted ports, DHCP
requests will not succeed.
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
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
8 on page 71. You can specify the DHCP VLAN in the DHCP Snooping
Configure screen. See Section 26.7 on page
Click Apply to save your changes to the Switch's run-time memory.
The Switch loses these changes if it is turned off or loses power, so
use the Save link on the top navigation panel to save your changes to
the non-volatile memory when you are done configuring.
Click this to reset the values in this screen to their last-saved values.
Section 26.7 on page 222.
222.
GS2200-24 User's Guide
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