Chapter 20 Dynamic ARP
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 | Select or deselect this to activate or deactivate Dynamic ARP on the switch. |
Dynamic ARP |
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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. |
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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. |
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|
Enable | Select the range of VLANs you want to perform validation checks based on the ARP |
Dynamic ARP | entries in the ARP table. |
for VLAN from |
|
.. to .. |
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Disable | Select the range of VLANs you want to bypass validation checks based on the ARP |
Dynamic ARP | entries in the ARP table. |
for VLAN from |
|
.. to .. |
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|
Current | This field shows the VLANs for which Dynamic ARP validation is enabled. |
Enabled |
|
VLAN |
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Apply | Click this to save your settings to the switch. |
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