Vlan Setting - Planet GS-4210-8UP2S User Manual

4.5.5.3 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.
The page includes the following fields:
Object
 VLAN List
 Status
User's Manual of GS-4210-8UP2S/GS-4210-16UP4C/GS-4210-24UP4C
Figure 4-5-36
Figure 4-5-36 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 4-5-37 DHCP Snooping VLAN Setting Page Screenshot
Description
Display the current VLAN list.
Display the current DHCP snooping status.
& Figure 4-5-37 appear.
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