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Chapter 93: Port Security Overview
Unrestricted—The switch responds to all ARP requests for which it has a route to the
destination. This is the default mode (because it is the default mode in Junos OS
configurations other than those on the switch). We recommend using restricted mode
on the switch.
Best Practices for Proxy ARP on J-EX Series Switches
We recommend these best practices for configuring proxy ARP on the switches:
Set proxy ARP to restricted mode.
Use restricted mode when configuring proxy ARP on RVIs.
If you set proxy ARP to unrestricted, disable gratuitous ARP requests on each interface
enabled for proxy ARP.
Related
Example: Configuring Proxy ARP on a J-EX Series Switch on page 2621
Documentation
Configuring Proxy ARP (CLI Procedure) on page 1153
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