R0106-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V7)

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Configuring ARP ··························································································································································· 1
Overview ············································································································································································ 1
ARP message format ················································································································································ 1
ARP operating mechanism ······································································································································ 1
ARP table ··································································································································································· 2
Configuring a static ARP entry ········································································································································· 3
Setting the maximum number of dynamic ARP entries for a device ············································································ 4
Setting the maximum number of dynamic ARP entries for an interface ······································································ 4
Setting the aging timer for dynamic ARP entries ··········································································································· 5
Enabling dynamic ARP entry check ································································································································ 5
Enabling ARP logging ······················································································································································· 6
Displaying and maintaining ARP ····································································································································· 6
ARP configuration example ·············································································································································· 7
Configuring gratuitous ARP ········································································································································· 9
Overview ············································································································································································ 9
Gratuitous ARP packet learning ······························································································································ 9
Periodic sending of gratuitous ARP packets ·········································································································· 9
Configuration procedure ··············································································································································· 10
Enabling IP conflict notification ···································································································································· 10
Configuring proxy ARP ·············································································································································· 12
Enabling common proxy ARP ······································································································································· 12
Enabling local proxy ARP·············································································································································· 12
Displaying proxy ARP ···················································································································································· 12
Common proxy ARP configuration example ··············································································································· 13
Network requirements ··········································································································································· 13
Configuration procedure ······································································································································ 13
Verifying the configuration ··································································································································· 14
Configuring IP addressing ········································································································································· 15
Overview ········································································································································································· 15
IP address classes ·················································································································································· 15
Special IP addresses ············································································································································· 16
Subnetting and masking ······································································································································· 16
Assigning an IP address to an interface ······················································································································ 17
Configuration guidelines ······································································································································ 17
Configuration procedure ······································································································································ 17
Configuring IP unnumbered ·········································································································································· 17
Configuration guidelines ······································································································································ 17
Configuration prerequisites ·································································································································· 18
Configuration procedure ······································································································································ 18
Displaying and maintaining IP addressing ················································································································· 18
Configuration examples ················································································································································ 18
IP address configuration example ······················································································································· 18
IP unnumbered configuration example ··············································································································· 20
DHCP overview ·························································································································································· 22
DHCP address allocation ·············································································································································· 22
Allocation mechanisms ········································································································································· 22
IP address allocation process ······························································································································· 23