Netgear GSM7252PS - ProSAFE 52 ports Gigabit Ethernet L2 Managed Stackable Switch with PoE Administrator's Guide

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  Chapter 14.  Security Management
 
   
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ProSafe 7000 Managed Switch Release 8.0.3 
a. Select Security > Control > DHCP Snooping Interface Configuration. A screen 
similar to the following displays.
b.  Select Interface 1/0/1 check box.
c.  For interface 1/0/1, in the Trust Mode field, select Enable.
d.  Click Apply. A screen similar to the following displays.
4. 
View the DHCP Snooping Binding table. 
Select Security > Control > DHCP Snooping Binding Configuration. A screen similar 
to the following displays. 
5. 
Enable IP source guard in the interface 1/0/2.
a. Select Security > Control > IP Source Guard > Interface Configuration
b.  Select the Interface 1/0/2 check box.
c.  For the IPSG mode, select Enable.