H3C Technologies H3C WX6000 Series Access Controllers User Manual
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Enabling the ARP Entry Check ·····································································································33-5
ARP Configuration Example··········································································································33-5
Configuring Gratuitous ARP··················································································································33-6
Introduction to Gratuitous ARP······································································································33-6
Configuring Gratuitous ARP ··········································································································33-6
Displaying and Maintaining ARP···········································································································33-6
34 Proxy ARP Configuration ·····················································································································34-1
Proxy ARP Overview·····························································································································34-1
Enabling Proxy ARP······························································································································34-1
Displaying and Maintaining Proxy ARP ································································································34-1
Proxy ARP Configuration Examples ·····································································································34-2
35 DHCP Overview······································································································································35-1
Introduction to DHCP ····························································································································35-1
DHCP Address Allocation ·····················································································································35-2
Allocation Mechanisms··················································································································35-2
Dynamic IP Address Allocation Process ·······················································································35-2
IP Address Lease Extension ·········································································································35-3
DHCP Message Format························································································································35-3
DHCP Options·······································································································································35-4
DHCP Options Overview···············································································································35-4
Introduction to DHCP Options ·······································································································35-5
Self-Defined Options ·····················································································································35-5
Protocols and Standards·······················································································································35-7
36 DHCP Relay Agent Configuration ········································································································36-1
Introduction to DHCP Relay Agent ·······································································································36-1
Application Environment················································································································36-1
Fundamentals································································································································36-1
DHCP Relay Agent Support for Option 82 ····················································································36-2
Configuration Task List ·························································································································36-3
Configuring the DHCP Relay Agent······································································································36-3
Enabling DHCP ·····························································································································36-3
Enabling the DHCP Relay Agent on an Interface ·········································································36-4
Correlating a DHCP Server Group with a Relay Agent Interface··················································36-4
Configuring the DHCP Relay Agent to Send a DHCP-Release Request ·····································36-5
Configuring the DHCP Relay Agent Security Functions ·······························································36-5
Configuring the DHCP Relay Agent to Support Option 82····························································36-7
Displaying and Maintaining DHCP Relay Agent Configuration·····························································36-8
DHCP Relay Agent Configuration Example··························································································36-8
Troubleshooting DHCP Relay Agent Configuration··············································································36-9
37 DHCP Client Configuration···················································································································37-1
Introduction to DHCP Client··················································································································37-1
Enabling the DHCP Client on an Interface ···························································································37-1