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

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  Chapter 14.  Security Management
 
   
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255
ProSafe 7000 Managed Switch Release 8.0.3 
dynamic ARP inspection. A static mapping associates an IP address to a MAC address on a 
VLAN.
Static client
IP address: 192.168.10.1
HW address: 00:11:85:EE:54:E9
Interface
1/0/2
GSM73xxS
Interface
1/0/1
Interface
1/0/3
DHCP server
IP address: 192.168.10.1
DHCP client
IP address: 192.168.10.86 (obtained)
HW address: 00:16:76:A7:88:CC
Figure 29. Dynamic ARP inspection
CLI: Configure Dynamic ARP Inspection
1. 
Enable DHCP snooping globally.
(Netgear Switch) (Config)# ip dhcp snooping
2. 
Enable DHCP snooping in a VLAN. 
(Netgear Switch) (Config)# ip dhcp snooping vlan 1
3. 
Configure the port through which the DHCP server is reached as trusted. 
(Netgear Switch) (Config)# interface 1/0/1
(Netgear Switch) (Interface 1/0/1)# ip dhcp snooping trust