Best Practices For Proxy Arp On Ex Series Switches - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

Best Practices for Proxy ARP on EX Series Switches

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Copyright © 2010, Juniper Networks, Inc.
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 Juniper Networks
Junos operating system (Junos OS) configurations other than those on the switch).
We recommend using restricted mode on the switch.
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.
Example: Configuring Proxy ARP on an EX Series Switch on page 3125
Configuring Proxy ARP (CLI Procedure) on page 1617
Chapter 99: Port Security Overview
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