H3C Technologies H3C S7500E Series Switches - Manual (Page 7)

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Table of Contents
1 ARP Configuration·····································································································································1-1
ARP Overview·········································································································································1-1
ARP Function ··································································································································1-1
ARP Message Format ·····················································································································1-1
ARP Operation ································································································································1-2
ARP Table ·······································································································································1-3
Configuring ARP ·····································································································································1-4
Configuring a Static ARP Entry ·······································································································1-4
Configuring the Maximum Number of ARP Entries for an Interface ···············································1-5
Setting the Aging Time for Dynamic ARP Entries ···········································································1-5
Enabling the ARP Entry Check ·······································································································1-5
Enabling the Support for ARP Requests from a Natural Network···················································1-6
ARP Configuration Example············································································································1-6
Configuring Gratuitous ARP····················································································································1-7
Introduction to Gratuitous ARP········································································································1-7
Configuring Gratuitous ARP ············································································································1-8
Displaying and Maintaining ARP·············································································································1-8
2 Proxy ARP Configuration ·························································································································2-1
Proxy ARP Overview·······························································································································2-1
Proxy ARP ·······································································································································2-1
Local Proxy ARP ·····························································································································2-2
Enabling Proxy ARP································································································································2-2
Displaying and Maintaining Proxy ARP ··································································································2-3
Proxy ARP Configuration Examples ·······································································································2-3
Proxy ARP Configuration Example ·································································································2-3
Local Proxy ARP Configuration Example in Case of Port Isolation ················································2-4
Local Proxy ARP Configuration Example in Super VLAN·······························································2-6
Local Proxy ARP Configuration Example in Isolate-User-VLAN·····················································2-7
3 IP Addressing Configuration····················································································································3-1
IP Addressing Overview··························································································································3-1
IP Address Classes ·························································································································3-1
Special IP Addresses ······················································································································3-2
Subnetting and Masking ··················································································································3-2
Configuring IP Addresses ·······················································································································3-3
Assigning an IP Address to an Interface ·························································································3-3
IP Addressing Configuration Example·····························································································3-4
Displaying and Maintaining IP Addressing ·····························································································3-6
4 DHCP Overview··········································································································································4-1
Introduction to DHCP ······························································································································4-1