H3C Technologies H3C S7500E Series Switches - Manual (Page 8)

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DHCP Address Allocation ·······················································································································4-1
Allocation Mechanisms····················································································································4-1
Dynamic IP Address Allocation Process ·························································································4-2
IP Address Lease Extension ···········································································································4-3
DHCP Message Format ··························································································································4-3
DHCP Options·········································································································································4-4
DHCP Options Overview ·················································································································4-4
Introduction to DHCP Options ·········································································································4-4
Self-Defined Options ·······················································································································4-5
Protocols and Standards·························································································································4-8
5 DHCP Server Configuration······················································································································5-1
Introduction to DHCP Server ··················································································································5-1
Application Environment··················································································································5-1
DHCP Address Pool ························································································································5-2
IP Address Allocation Sequence ·····································································································5-3
DHCP Server Configuration Task List ····································································································5-4
Configuring an Address Pool for the DHCP Server ················································································5-4
Configuration Task List····················································································································5-4
Creating a DHCP Address Pool ······································································································5-5
Configuring an Address Allocation Mode for a Common Address Pool··········································5-5
Configuring Dynamic Address Allocation for an Extended Address Pool ·······································5-7
Configuring a Domain Name Suffix for the Client ···········································································5-8
Configuring DNS Servers for the Client···························································································5-8
Configuring WINS Servers and NetBIOS Node Type for the Client················································5-9
Configuring the BIMS Server Information for the Client ································································5-10
Configuring Gateways for the Client······························································································5-10
Configuring Option 184 Parameters for the Client with Voice Service··········································5-10
Configuring the TFTP Server and Bootfile Name for the Client ····················································5-11
Configuring Self-Defined DHCP Options·······················································································5-12
Enabling DHCP ·····································································································································5-13
Enabling the DHCP Server on an Interface ··························································································5-13
Applying an Extended Address Pool on an Interface ···········································································5-14
Configuring the DHCP Server Security Functions ················································································5-15
Configuration Prerequisites ···········································································································5-15
Enabling Unauthorized DHCP Server Detection···········································································5-15
Configuring IP Address Conflict Detection ····················································································5-15
Configuring the Handling Mode for Option 82 ······················································································5-16
Displaying and Maintaining the DHCP Server ······················································································5-17
DHCP Server Configuration Examples ·································································································5-18
Static IP Address Assignment Configuration Example ·································································5-18
Dynamic IP Address Assignment Configuration Example ····························································5-19
Self-Defined Option Configuration Example··················································································5-21
Troubleshooting DHCP Server Configuration ·······················································································5-22