Huawei Quidway S3900 Series Operation Manual page 576

Operation Manual - DHCP
Quidway S3900 Series Ethernet Switches-Release 1510
2.4.2 Configuring Private DHCP Server Detecting ........................................................ 2-23
2.4.3 Configuring IP Address Detecting ......................................................................... 2-24
2.5 Option 82 Supporting Configuration ................................................................................ 2-25
2.5.1 Introduction to DHCP-Server Option 82................................................................ 2-25
2.5.2 Configuration Prerequisites................................................................................... 2-25
2.5.3 Configuring the Option 82 Supporting Function.................................................... 2-25
2.6 Option 184 Supporting Configuration .............................................................................. 2-25
2.6.1 Introduction to Option 184..................................................................................... 2-25
2.6.2 Prerequisites ......................................................................................................... 2-29
2.6.3 Configuring the Option 184 Supporting Function.................................................. 2-29
2.6.4 Configuration Example.......................................................................................... 2-33
2.7 Displaying and Debugging a DHCP Server..................................................................... 2-34
2.8 DHCP Server Configuration Example.............................................................................. 2-35
2.9 Troubleshooting a DHCP Server ..................................................................................... 2-38
Chapter 3 DHCP Relay Configuration ......................................................................................... 3-1
3.1 Introduction to DHCP Relay............................................................................................... 3-1
3.1.1 Usage of DHCP Relay ............................................................................................ 3-1
3.1.2 DHCP Relay Fundamentals .................................................................................... 3-1
3.1.3 Option 82 Supporting .............................................................................................. 3-2
3.2 DHCP Relay Configuration ................................................................................................ 3-4
3.2.1 DHCP Relay Configuration Tasks........................................................................... 3-4
3.2.2 Enabling DHCP ....................................................................................................... 3-4
3.2.3 Configuring an Interface to Operate in DHCP Relay Mode .................................... 3-5
3.2.4 Configuring DHCP Relay Security .......................................................................... 3-6
3.2.5 Configuring Option 82 Supporting........................................................................... 3-9
3.3 Displaying and Debugging DHCP Relay ......................................................................... 3-10
3.4 DHCP Relay Configuration Example ............................................................................... 3-11
3.5 Troubleshooting DHCP Relay.......................................................................................... 3-12
Chapter 4 DHCP Snooping Configuration .................................................................................. 4-1
4.1 Introduction to DHCP Snooping......................................................................................... 4-1
4.2 DHCP Snooping Configuration .......................................................................................... 4-2
4.3 Configuration Example ...................................................................................................... 4-3
4.4 Displaying DHCP Snooping............................................................................................... 4-3
Chapter 5 DHCP Accounting Configuration ............................................................................... 5-1
5.1 Introduction to DHCP Accounting ...................................................................................... 5-1
5.1.1 DHCP Accounting Fundamentals ........................................................................... 5-1
5.2 DHCP Accounting Configuration ....................................................................................... 5-1
5.2.1 Prerequisites ........................................................................................................... 5-1
5.2.2 Configuring DHCP Accounting................................................................................ 5-2
5.2.3 DHCP Accounting Configuration Example.............................................................. 5-2
Huawei Technologies Proprietary
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