Netgear GSM7228PS - ProSAFE 28 ports Gigabit Ethernet L2 Managed Stackable Switch with PoE Guía De Administador

14.   

Security Management 

In this chapter, examples are provided for the following topics:

•     Port Security 

•     Set the Dynamic and Static Limit on Port 1/0/1 

•     Convert the Dynamic Address Learned from 1/0/1 to a Static Address 

•     Create a Static Address 

•     Protected Ports 

•     802.1x Port Security 

•     Create a Guest VLAN 

•     Assign VLANs Using RADIUS 

•     Dynamic ARP Inspection 

•     Static Mapping 

•     DHCP Snooping 

•     Enter Static Binding into the Binding Database 

•     Maximum Rate of DHCP Messages 

•     IP Source Guard 

Port Security

Port Security helps secure the network by preventing unknown devices from forwarding 
packets. When a link goes down, all dynamically locked addresses are freed. The port 
security feature offers the following benefits:

You can limit the number of MAC addresses on a given port. Packets that have a 

matching MAC address (secure packets) are forwarded; all other packets (unsecure 
packets) are restricted.

You can enable port security on a per port basis.

Port security implements two traffic filtering methods, dynamic locking and static locking. 
These methods can be used concurrently.

Dynamic locking. You can specify the maximum number of MAC addresses that can be 

learned on a port. The maximum number of MAC addresses is platform dependent and is