3Com S7906E - Switch, Configuration Manual

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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 ···············································1-4
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···················································1-5
ARP Configuration Example············································································································1-6
Configuring Gratuitous ARP····················································································································1-7
Introduction to Gratuitous ARP········································································································1-7
Configuring Gratuitous ARP ············································································································1-7
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·······························································2-5
Local Proxy ARP Configuration Example in Isolate-User-VLAN·····················································2-6