User manual

78 Publication 1783-UM003D-EN-E - December 2009
Chapter 3
3. Enter DHCP server settings, as appropriate.
Configure a DHCP IP Address Pool
Once DHCP is enabled, you can create the DHCP address pool from the
DHCP dialog box.
1. Click Create.
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 check box 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.
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. To enable DHCP Snooping on a specific VLAN check the Enable DHCP Snooping
box and the DHCP Snooping box for the specific VLAN desired.
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.