Chapter 26 IP Source Guard
GS1920 Series User’s Guide
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Figure 158   Advanced Application > IP Source Guard > IPv4 Source Guard Setup > DHCP Snooping 
> Configure > Port
The following table describes the labels in this screen. 
Table 101   Advanced Application > IP Source Guard > IPv4 Source Guard Setup > DHCP Snooping > 
Configure > Port
LABEL DESCRIPTION
Port This field displays the port number. If you configure the * port, the settings are applied to 
all of the ports.
* Settings in this row apply to all ports.
Use this row only if you want to make some settings the same for all ports. Use this row 
first to set the common settings and then make adjustments on a port-by-port basis. 
Note: Changes in this row are copied to all the ports as soon as you make them.