H3C Technologies H3C S12500-X Series Switches - Manual (Page 6)

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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
Configuring a multiport ARP entry ··································································································································· 4
Setting the maximum number of dynamic ARP entries for a device ············································································ 5
Setting the maximum number of dynamic ARP entries for an interface ······································································ 5
Setting the aging timer for dynamic ARP entries ··········································································································· 6
Enabling dynamic ARP entry check ································································································································ 6
Configuring a customer-side port ···································································································································· 6
Enabling ARP logging ······················································································································································· 7
Displaying and maintaining ARP ····································································································································· 7
Configuration examples ··················································································································································· 8
Static ARP configuration example ·························································································································· 8
Multiport ARP entry configuration example ··········································································································· 9
Configuring gratuitous ARP ······································································································································· 11
Overview ········································································································································································· 11
Gratuitous ARP packet learning ··························································································································· 11
Periodic sending of gratuitous ARP packets ······································································································· 11
Configuration procedure ··············································································································································· 12
Enabling IP conflict notification ···································································································································· 12
Configuring proxy ARP ·············································································································································· 14
Enabling common proxy ARP ······································································································································· 14
Enabling local proxy ARP·············································································································································· 14
Displaying proxy ARP ···················································································································································· 14
Common proxy ARP configuration example ··············································································································· 15
Network requirements ··········································································································································· 15
Configuration procedure ······································································································································ 15
Configuring IP addressing ········································································································································· 17
Overview ········································································································································································· 17
IP address classes ·················································································································································· 17
Special IP addresses ············································································································································· 18
Subnetting and masking ······································································································································· 18
Assigning an IP address to an interface ······················································································································ 19
Configuration guidelines ······································································································································ 19
Configuration procedure ······································································································································ 19
Displaying and maintaining IP addressing ················································································································· 19
IP address configuration example ································································································································ 20
Network requirements ··········································································································································· 20
Configuration procedure ······································································································································ 20
Verifying the configuration ··································································································································· 20
DHCP overview ·························································································································································· 22
DHCP address allocation ·············································································································································· 22
Allocation mechanisms ········································································································································· 22
IP address allocation process ······························································································································· 23