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Chapter 20 Dynamic ARP
ES-1528 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 84 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.
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.
Disable
Dynamic ARP
for VLAN from
.. to ..
Select the range of VLANs you want to bypass validation checks based on the ARP
entries in the ARP table.
Current
Enabled
VLAN
This field shows the VLANs for which Dynamic ARP validation is enabled.
Apply Click this to save your settings to the switch.