Junos® OS Ethernet Interfaces Configuration ... - Juniper Networks

Junos ®
OS 12.3 Ethernet Interfaces Configuration Guide
172
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Documentation
• proxy-arp
NOTE: When proxy ARP is enabled as default or unrestricted, the router
responds to any ARP request as long as the router has an active route to the
target address of the ARP request. This gratuitous ARP behavior can result
in an error when the receiving interface and target response interface are the
same and the end device (for example, a client) performs a duplicate address
check. To prevent this error, configure the router interface with the
no-gratuitous-arp-reply statement. See “Configuring Gratuitous ARP” on
page 48 for information about how to disable responses to gratuitous ARP
requests.
• Restricted and Unrestricted Proxy ARP Overview on page 169
• Configuring Gratuitous ARP on page 48
• Junos® OS Ethernet Interfaces
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