Chapter 20 Dynamic ARP
GS-1524/GS-1548 User’s Guide
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20.2 Enabling Dynamic ARP
Click Dynamic ARP > Settings in the navigation panel to open the following
screen. Use the Dynamic ARP screen to configure ARP filtering on the specified
VLANs.
Figure 86 Dynamic ARP
The following table describes the labels in this screen.
Table 66 ARP Table
LABEL DESCRIPTION
Enable
Dynamic
ARP
Select or deselect this to activate or deactivate Dynamic ARP on the Switch.
Note: You must activate dynamic ARP first if you want to add static
ARP table entries.
Aging Time Specify how long (in hours) the Switch remembers the learned ARP table
entries. Specify “0” to have the Switch remember the ARP table entries for
an unlimited time period.
Trusted
ports
Packets arriving on trusted ports bypass all Dynamic ARP validation checks,
and those arriving on untrusted ports undergo the validation process.
Default state of all ports is untrusted.
Select the trusted ports for each Dynamic ARP configuration you set up.
Enable
Dynamic
ARP for
VLAN from ..
to ..
Select the range of VLANs you want to perform validation checks based on
the ARP entries in the ARP table.
