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Configuring ARP ··························································································································································· 1
Overview ············································································································································································ 1
ARP message format ················································································································································ 1
ARP operation ··························································································································································· 2
ARP table ··································································································································································· 3
Configuring a static ARP entry ········································································································································· 3
Enabling dynamic ARP entry check ································································································································ 5
Configuring ARP quick update ········································································································································ 5
Configuring multicast ARP ················································································································································ 6
Displaying and maintaining ARP ····································································································································· 7
ARP configuration examples ············································································································································ 7
Configuring gratuitous ARP ······································································································································· 11
Overview ········································································································································································· 11
Gratuitous ARP packet learning ··························································································································· 11
Configuration guidelines ··············································································································································· 12
Configuration procedure ··············································································································································· 12
Enabling IP conflict notification ···································································································································· 12
Configuring proxy ARP ·············································································································································· 14
Overview ········································································································································································· 14
Common proxy ARP ·············································································································································· 14
Local proxy ARP ····················································································································································· 14
Enabling common proxy ARP ······································································································································· 15
Enabling local proxy ARP·············································································································································· 15
Proxy ARP configuration examples ······························································································································ 16
Configuring ARP snooping ········································································································································ 22
Overview ········································································································································································· 22
Configuration procedure ··············································································································································· 22
Configuring IP addressing ········································································································································· 23
Overview ········································································································································································· 23
IP address classes ·················································································································································· 23
Special IP addresses ············································································································································· 24
Subnetting and masking ······································································································································· 24
Configuration guidelines ······································································································································ 25
Configuration procedure ······································································································································ 25
Configuration example ········································································································································· 25
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