72 Rockwell Automation Publication 1783-UM003G-EN-P - December 2012
Chapter 3 Manage the Switch via the Device Manager Web Interface
3. Enter DHCP server settings, as appropriate.
DHCP Server Settings
Setting Description
Enable DHCP This option enables the DHCP Server globally for the switch. When the DHCP server is enabled and one or more
pools are created, the switch will serve IP addresses to clients on the network.
Enable DHCP Snooping DHCP snooping restricts broadcast of DHCP requests beyond the connected switch.This means that devices will
receive address assignments only from the connected switch. This option is available only on VLAN interfaces.
DHCP Pool Settings
Setting Description
Reserved Only This option reserves the address pool to only the devices that are specified in the DHCP persistence table. DHCP
requests from ports not in the persistence table or from another device (switch) are ignored. By default, this option
is disabled (the Reserved Only checkbox is not selected).
Select this option if you do not want unassigned IP addresses in the pool to be assigned to a port that is not in the
DHCP persistence table.
DHCP Snooping To enable DHCP Snooping on a specific VLAN, check the Enable DHCP Snooping box and the DHCP Snooping box
for the specific VLAN desired.
Select Use this option to select one DHCP pool to delete or modify according to the buttons below the table.
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