Huawei Quidway S3500 Series Operation Manual page 92

Operation Manual - Network Protocol
Quidway S3500 Series Ethernet Switches
4.2.1 Configure IP Address of a DHCP Server ................................................................ 4-2
4.2.2 Configure Corresponding DHCP Server Group of the VLAN Interface .................. 4-3
4.2.3 Configure the Address Table Entry ......................................................................... 4-3
4.2.4 Enable/Disable DHCP security features ................................................................. 4-3
4.2.5 Enable/Disable DHCP pseudo-server detection ..................................................... 4-4
4.3 Display and debug DHCP Relay........................................................................................ 4-4
4.4 DHCP Relay Configuration Example ................................................................................. 4-5
4.5 Troubleshoot DHCP Relay Configuration.......................................................................... 4-6
Chapter 5 DHCP Configuration .................................................................................................... 5-1
5.1 DHCP Overview................................................................................................................. 5-1
5.1.1 DHCP Fundamentals .............................................................................................. 5-1
5.1.2 DHCP Relay ............................................................................................................ 5-3
5.2 DHCP Public Configuration ............................................................................................... 5-4
5.2.1 Enable/Disable the DHCP Service.......................................................................... 5-5
5.2.2 Define DHCP Message Handling Method............................................................... 5-5
5.2.3 Enable/Disable Pseudo-DHCP Server Detection ................................................... 5-6
5.3 DHCP Server Configuration............................................................................................... 5-6
5.3.1 Create Global DHCP Address Pool ........................................................................ 5-7
5.3.2 Configure Address Allocation Method for a DHCP Address Pool........................... 5-8
5.3.3 Configure IP Addresses Forbidden in Automatic Allocation ................................. 5-10
5.3.4 Configure IP Address Lease Duration for a DHCP Address Pool ........................ 5-10
5.3.5 Configure DHCP Client Domain Name ................................................................. 5-11
5.3.6 Configure DNS Server Addresses for DHCP Clients............................................ 5-13
5.3.7 Configure NetBIOS Server Addresses for DHCP Clients ..................................... 5-14
5.3.8 Define NetBIOS Node Type of DHCP Clients....................................................... 5-15
5.3.9 Configure a DHCP Option..................................................................................... 5-17
5.3.10 Configure IP Addresses of Egress Gateways for DHCP clients ......................... 5-18
5.3.11 Configure the Ping Mechanism on DHCP Server ............................................... 5-18
5.4 DHCP Relay Configuration .............................................................................................. 5-19
5.4.1 Configure the DHCP Servers to Which the Received Packets Are Relayed ........ 5-19
5.4.2 Distribute Load among DHCP Servers ................................................................. 5-20
5.4.3 Release Client IP Address through DHCP Relay ................................................. 5-21
5.4.4 Configure Address Map Entry for Security Check ................................................ 5-21
5.4.5 Enable/Disable DHCP Security Feature on VLAN Interface................................. 5-22
5.4.6 Activating/Deactivating DHCP Relay Dynamic Entries ......................................... 5-22
5.4.7 Allow/Inhibit the Passing of Unknown Machines through DHCP Security Check. 5-23
5.5 Display and Debug DHCP ............................................................................................... 5-23
5.6 DHCP Configuration Example ......................................................................................... 5-24
5.6.1 DHCP Server Configuration Example ................................................................... 5-24
5.6.2 DHCP Relay Configuration Example .................................................................... 5-26
5.7 DHCP Troubleshooting.................................................................................................... 5-27
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