Vlan Setting - Planet IGS-4215-16T2S User Manual

4.13.6.3 VLAN Setting

Command Usage

When DHCP snooping is enabled globally on the switch, and enabled on the specified VLAN, DHCP packet filtering will be
performed on any untrusted ports within the VLAN.

When the DHCP snooping is globally disabled, DHCP snooping can still be configured for specific VLANs, but the changes
will not take effect until DHCP snooping is globally re-enabled.

When DHCP snooping is globally enabled, and DHCP snooping is then disabled on a VLAN, all dynamic bindings learned for
this VLAN are removed from the binding table.
The DHCP Snooping VLAN Setting screens in
The page includes the following fields:
Object
• VLAN List
• Status
Buttons
: Click to apply changes.
Figure 4-13-34
Figure 4-13-34: DHCP Snooping VLAN Setting Page Screenshot
Description
Indicates the ID of this particular VLAN.
Indicates the DHCP snooping mode operation. Possible modes are:
 Enabled: Enable DHCP snooping mode operation.
When enable DHCP snooping mode operation, the request
DHCP messages will be forwarded to trusted ports and only
allowed reply packets from trusted ports.
 Disabled: Disable DHCP snooping mode operation.
Figure 4-13-35: DHCP Snooping VLAN Setting Page Screenshot
User's Manual of IGS-4215-16T2S
and Figure 4-13-35 appear.
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