H3C S9500 Series Operation Manual page 149

Operation Manual – Network Protocol
H3C S9500 Series Routing Switches
4.3.1 Creating a Global DHCP IP Address Pool .............................................................. 4-7
4.3.2 Configuring IP Address Assignment Mode ............................................................. 4-8
4.3.3 Forbidding Specified IP Addresses to Be Automatically Assigned ....................... 4-10
4.3.4 Configuring Lease Time For DHCP Address Pool................................................ 4-11
4.3.5 Configuring DHCP Client Domain Names ............................................................ 4-12
4.3.6 Configuring DNS Server Address for DHCP Clients............................................. 4-13
4.3.7 Configuring NetBIOS Server Address for DHCP Clients ...................................... 4-14
4.3.8 Configuring NetBIOS Node Type for DHCP Clients ............................................. 4-15
4.3.9 Configuring Custom DHCP Options...................................................................... 4-17
4.3.10 Configuring Outbound Gateway Address for DHCP Clients............................... 4-18
4.3.11 Configuring Parameters for DHCP Server to Send Ping Packets ...................... 4-18
4.3.12 Displaying and Debugging the DHCP Server ..................................................... 4-19
4.3.13 Clearing the Configuration Information of the DHCP Server .............................. 4-20
4.3.14 DHCP Server Configuration Example................................................................. 4-20
4.4 Configuring DHCP Relay ................................................................................................. 4-22
4.4.1 Introduction to DHCP Relay .................................................................................. 4-22
4.4.2 Configuring DHCP Relay ...................................................................................... 4-23
4.4.3 Displaying and Debugging DHCP Relay............................................................... 4-25
4.4.4 DHCP Relay Configuration Example .................................................................... 4-26
Chapter 5 DHCP Option 82 Configuration .................................................................................. 5-1
5.1 DHCP Option 82 Overview ................................................................................................ 5-1
5.1.1 Introduction to Option 82 Support on DHCP Relay................................................. 5-1
5.1.2 Concepts ................................................................................................................. 5-1
5.1.3 Option 82 Structure ................................................................................................. 5-2
5.1.4 Related Protocols and Specifications ..................................................................... 5-3
5.1.5 Working Mechanism of Option 82 Support on DHCP Relay................................... 5-3
5.2 Configuring Option 82 Supply on DHCP Relay ................................................................. 5-1
5.2.1 Prerequisites ........................................................................................................... 5-1
5.2.2 Enabling Option 82 Support on DHCP Relay ......................................................... 5-2
5.3 Configuration Example ...................................................................................................... 5-2
5.3.1 Option 82 Support on DHCP Relay Configuration Example................................... 5-2
Chapter 6 DNS Configuration....................................................................................................... 6-1
6.1 Introduction to DNS ........................................................................................................... 6-1
6.1.1 Static Domain Name Resolution ............................................................................. 6-1
6.1.2 Dynamic Domain Name Resolution ........................................................................ 6-1
6.2 Configuring Static Domain Name Resolution .................................................................... 6-2
6.3 Configuring Dynamic Domain Name Resolution ............................................................... 6-2
6.3.1 Enable/Disable Static Domain Name Resolution.................................................... 6-3
6.3.2 Configure the IP Address of Domain Name Server ................................................ 6-3
6.3.3 Configure Domain Name Suffix............................................................................... 6-3
6.4 Displaying and Debugging Domain Name Resolution....................................................... 6-4
6.5 DNS Configuration Example.............................................................................................. 6-4
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