3Com 3C13636 Configuration Manual page 392

3Com Router 3000 Ethernet Family
Configuration Guide
3.2.1 Configuring Static Domain Name Resolution.......................................................... 3-1
3.2.2 Displaying and debugging domain name resolution table ...................................... 3-2
3.3 DNS Client Configuration................................................................................................... 3-2
3.3.1 Introduction to the Architecture of DNS .................................................................. 3-2
3.3.2 Configuring the DNS Client ..................................................................................... 3-3
3.3.3 Displaying and Debugging DNS Client Information ................................................ 3-5
3.3.4 Typical DNS Configuration Example....................................................................... 3-6
3.3.5 Troubleshooting....................................................................................................... 3-7
3.4 DNS Proxy Configuration................................................................................................... 3-7
3.4.1 Introduction to DNS Proxy....................................................................................... 3-7
3.4.2 Operational Mechanism of DNS Proxy ................................................................... 3-7
3.4.3 Configuring DNS Proxy ........................................................................................... 3-8
3.4.4 DNS Proxy Configuration Example ......................................................................... 3-8
Chapter 4 DDNS Configuration .................................................................................................... 4-1
4.1 Introduction to DDNS......................................................................................................... 4-1
4.2 Configuring DDNS ............................................................................................................. 4-2
4.2.1 Configuration Prerequisites..................................................................................... 4-2
4.2.2 Configuring DDNS................................................................................................... 4-2
4.2.3 Configuring Parameters for Accessing the DDNS Service Provider....................... 4-3
4.2.4 DDNS Configuration Example................................................................................. 4-3
Chapter 5 URPF Configuration .................................................................................................... 5-1
5.1 URPF Overview ................................................................................................................. 5-1
5.2 URPF Configuration........................................................................................................... 5-2
5.3 PRPF Display and Debugging ........................................................................................... 5-2
Chapter 6 IP Accounting Configuration ...................................................................................... 6-1
6.1 Introduction to IP Accounting............................................................................................. 6-1
6.2 IP Accounting Configuration .............................................................................................. 6-1
6.2.1 Preparations for IP Accounting Configurations ....................................................... 6-1
6.2.2 IP Accounting Configuration Tasks ......................................................................... 6-1
6.2.3 IP Accounting Configuration Example .................................................................... 6-3
6.3 Displaying and Maintaining IP Accounting Configuration .................................................. 6-4
6.4 Tips for Configuration ........................................................................................................ 6-5
Chapter 7 UDP Helper Configuration .......................................................................................... 7-1
7.1 Introduction to UDP Helper................................................................................................ 7-1
7.2 UDP Helper Configuration ................................................................................................. 7-1
7.2.1 Enabling/Disabling UDP Helper .............................................................................. 7-1
7.2.2 Specifying by UDP Port Number which UDP Broadcasts are forwarded ............... 7-2
7.2.3 Configuring Destination Servers ............................................................................. 7-3
7.3 Displaying and Debugging the UDP Helper Configuration ................................................ 7-3
Chapter 8 BOOTP Client Configuration ...................................................................................... 8-1
8.1 Introduction to BOOTP Client ............................................................................................ 8-1
3Com Corporation
ii
Table of Contents