Juniper IGP - CONFIGURATION GUIDE V11.1.X, Configuration Manual

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Use to specify how long an entry remains in the ARP cache.
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You can issue this command only for Fast Ethernet interfaces, Gigabit Ethernet
interfaces, 10-Gigabit Ethernet interfaces, and bridged Ethernet interfaces
configured over ATM 1483.
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The default value is 21,600 seconds (6 hours). Use the show config command
to display the current value.
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If you specify a timeout of 0 seconds, entries are never cleared from the ARP
cache.
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Example
host1(config-if)# arp timeout 8000
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Use the no version to restore the default value.
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See arp timeout
clear arp
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Use to clear dynamic entries from the ARP cache.
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To clear a particular entry, specify all of the following:
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ipAddress —IP address in four-part dotted-decimal format corresponding to
the local data link address
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interfaceType —Interface type; see Interface Types and Specifiers in JUNOSe
Command Reference Guide
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interfaceSpecifier —Particular interface; format varies according to interface
type; see Interface Types and Specifiers in JUNOSe Command Reference Guide
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To clear all dynamic ARP entries, specify an asterisk ( * ).
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Example
host1# clear arp
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There is no no version.
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See clear arp
ip proxy-arp
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Use to enable proxy ARP on an Ethernet or bridge1483 interface.
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Proxy ARP is enabled by default.
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Example
host1(config-if)# ip proxy-arp unrestricted
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Use the no version to disable proxy ARP on the interface.
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See ip proxy-arp
Address Resolution Protocol
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Chapter 1: Configuring IP