H3C Technologies H3C S10500 Series Switches User Manual
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ARP configuration························································································································································· 1
ARP overview·····································································································································································1
ARP function······························································································································································1
ARP message format ················································································································································1
Operation of ARP ·····················································································································································2
ARP table···································································································································································3
Configuring ARP································································································································································3
Configuring a static ARP entry································································································································3
Setting the age timer for dynamic ARP entries······································································································4
Enabling dynamic ARP entry check························································································································5
Configuring ARP quick update································································································································5
Enabling natural mask support for ARP requests ··································································································6
Configuring multicast ARP ·······································································································································6
Displaying and maintaining ARP·····································································································································7
ARP configuration example··············································································································································8
Static ARP entry configuration example·················································································································8
Multicast ARP configuration example I ···························································································································9
Multicast ARP configuration example II ·············································································································· 11
Gratuitous ARP configuration····································································································································13
Introduction to gratuitous ARP······································································································································· 13
Configuring gratuitous ARP··········································································································································· 14
Proxy ARP configuration············································································································································15
Proxy ARP overview······················································································································································· 15
Proxy ARP······························································································································································· 15
Local proxy ARP····················································································································································· 16
Enabling proxy ARP······················································································································································· 16
Displaying and maintaining proxy ARP······················································································································· 17
Proxy ARP configuration examples ······························································································································ 17
Proxy ARP configuration example ······················································································································· 17
Local proxy ARP configuration example in case of port isolation···································································· 18
Local proxy ARP configuration example in super VLAN··················································································· 19
Local proxy ARP configuration example in isolate-user-VLAN·········································································· 20
IP addressing configuration·······································································································································23
IP addressing overview·················································································································································· 23
IP address classes·················································································································································· 23
Special IP addresses ············································································································································· 24
Subnetting and masking ······································································································································· 24
Configuring IP addresses ·············································································································································· 25
Assigning an IP address to an interface ············································································································· 25
IP addressing configuration example·················································································································· 25
Displaying and maintaining IP addressing ················································································································· 27
DHCP overview ··························································································································································28
Introduction to DHCP ····················································································································································· 28
DHCP address allocation ·············································································································································· 28
Allocation mechanisms ········································································································································· 28
Dynamic IP address allocation process··············································································································· 29