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Chapter 26 IP Source Guard
XGS-4526/4528F/4728F User’s Guide
273
open this screen, click Advanced Application > IP Source Guard > DHCP
Snooping > Configure > VLAN.
Figure 122 DHCP Snooping VLAN Configure
The following table describes the labels in this screen.
Table 82 DHCP Snooping VLAN Configure
LABEL DESCRIPTION
Show VLAN Use this section to specify the VLANs you want to manage in the
section below.
Start VID Enter the lowest VLAN ID you want to manage in the section below.
End VID Enter the highest VLAN ID you want to manage in the section below.
Apply Click this to display the specified range of VLANs in the section below.
VID 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.
Enabled 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.
Option82 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 Section 26.5 on page 269.
Information 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 101. You can specify the DHCP VLAN in the DHCP
Snooping Configure screen. See Section 26.5 on page 269.
Apply 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.
Cancel Click this to reset the values in this screen to their last-saved values.