PLANET LRP-822CS - Manual (Page 241)

User’s Manual of LRP-822CS
241
The page includes the following fields:
Object Description
 DHCP Snooping Indicates the DHCP snooping mode operation. Possible modes are:
 Enabled: Enable DHCP snooping mode operation.
When DHCP snooping mode operation is enabled, the request
DHCP messages will be forwarded to trusted ports and only
allowed reply packets from trusted ports.
 Disabled: Disable DHCP snooping mode operation.
Buttons
: Click to apply changes.
Figure 4-9-34 DHCP Snooping Information Page Screenshot
The page includes the following fields:
Object Description
 DHCP Snooping Display the current DHCP snooping status
4.9.7.3 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.