Rockwell Automation Publication 1783-UM007G-EN-P - February 2017 239
Configure Switch Features Chapter 7
3. To enable DHCP snooping, check the DHCP Snooping checkbox.
DHCP snooping restricts the broadcast of DHCP requests beyond the
connected switch. As a result, devices receive address assignments from
only the connected switch. This option is available only on ports
assigned to a VLAN. To enable DHCP Snooping on a specific VLAN,
check the DHCP Snooping checkbox for the specific VLAN in the
DHCP pool table.
4. To reserve an address pool for only the devices that are specified in the
DHCP persistence table, check the Reserved Only checkbox in the
DHCP pool table.
DHCP requests from ports not in the persistence table or from another
switch are ignored. By default, this option is disabled and the Reserved
Only checkbox is cleared.
5. Click Submit.
Configure a DHCP IP Address Pool
Once DHCP is enabled, you can create the DHCP address pool.
To configure a DHCP IP address pool, follow these steps.
1. From the Configure menu, choose DHCP.
2. Click Add.
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