R3303-HP HSR6800 Routers Layer 3 - IP Services Configuration Guide
i
Contents
Configuring ARP ··························································································································································· 1
Overview ············································································································································································ 1
ARP message format ················································································································································ 1
ARP operation ··························································································································································· 1
ARP table ··································································································································································· 2
Configuring a static ARP entry ········································································································································· 3
Configuring the maximum number of dynamic ARP entries for an interface ······························································ 3
Setting the aging timer for dynamic ARP entries ··········································································································· 4
Enabling dynamic ARP entry check ································································································································ 4
Enabling natural mask support for ARP requests ··········································································································· 5
Displaying and maintaining ARP ····································································································································· 5
Static ARP entry configuration example·························································································································· 6
Network requirements ·············································································································································· 6
Configuration procedure ········································································································································· 7
Configuring gratuitous ARP ········································································································································· 8
Overview ············································································································································································ 8
Enabling learning of gratuitous ARP packets ········································································································ 8
Configuring periodic sending of gratuitous ARP packets ···················································································· 8
Configuration guidelines ·················································································································································· 9
Configuration procedure ·················································································································································· 9
Configuring proxy ARP ·············································································································································· 11
Overview ········································································································································································· 11
Proxy ARP ······························································································································································· 11
Enabling proxy ARP ······················································································································································· 11
Displaying and maintaining proxy ARP ······················································································································· 12
Proxy ARP configuration example ································································································································ 12
Network requirements ··········································································································································· 12
Configuring ARP snooping ········································································································································ 14
Overview ········································································································································································· 14
Configuration procedure ··············································································································································· 14
Displaying and maintaining ARP snooping ················································································································ 14
Configuring IP addressing ········································································································································· 16
Overview ········································································································································································· 16
IP address classes ·················································································································································· 16
Special IP addresses ············································································································································· 17
Subnetting and masking ······································································································································· 17
Assigning an IP address to an interface ······················································································································ 18
Configuration guidelines ······································································································································ 18
Configuration procedure ······································································································································ 18
Configuration example ········································································································································· 18
Configuring IP unnumbered ·········································································································································· 20
Configuration guidelines ······································································································································ 20
Configuration prerequisites ·································································································································· 20
Configuration procedure ······································································································································ 20
Configuration example ········································································································································· 21
Displaying and maintaining IP addressing ················································································································· 22