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Netgear M4300-24X24F (XSM4348S) - Stackable Managed Switch with 48x10G including 24x10GBASE-T and 24xSFP+ Layer 3 Guia Do Administrador

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Security Management 
350
Managed Switches 
Web Interface: Configure Dynamic ARP Inspection
1. 
Enable DHCP snooping globally.
a. Select Security > Control > DHCP Snooping Global Configuration. 
A screen similar to the following displays.
b.  For DHCP Snooping Mode, select the Enable radio button.
c.  Click Apply. 
2. 
Enable DHCP snooping in a VLAN. 
a. Select Security > Control > DHCP Snooping Global Configuration. 
A screen similar to the following displays.
b.  In the VLAN Configuration table, in the VLAN ID list, select 1. 
c.  In the DHCP Snooping Mode field, select Enable. 
A screen similar to the following displays.
d.  Click Apply.