3Com 3C13636 Configuration Manual page 292

3Com Router 3000 Ethernet Family
Configuration Guide
2.3.2 Configuring a PPPoE Session ................................................................................ 2-5
2.3.3 Enabling/Disabling the PPPoE Server to Output PPP-Related Log ....................... 2-6
2.3.4 Resetting/Deleting a PPPoE Session ..................................................................... 2-7
2.4 Displaying and Debugging PPPoE .................................................................................... 2-7
2.5 PPPoE Configuration Example.......................................................................................... 2-8
2.5.1 Configuring PPPoE Server...................................................................................... 2-8
2.5.2 Configuring PPPoE Client ....................................................................................... 2-9
2.5.3 Connecting a LAN to the Internet via ADSL Modem............................................. 2-11
2.5.4 Using ADSL for Line Backup................................................................................. 2-13
2.5.5 Accessing the Internet through an ADSL Interface............................................... 2-14
Chapter 3 Bridge Configuration................................................................................................... 3-1
3.1 Introduction to Bridge......................................................................................................... 3-1
3.1.1 Main Functions of Bridging...................................................................................... 3-1
3.1.2 Spanning Tree Protocol .......................................................................................... 3-7
3.1.3 Multi-Protocol Router ............................................................................................ 3-10
3.2 Configuring the Bridging Functions.................................................................................. 3-10
3.2.1 Basic Bridge Configuration.................................................................................... 3-11
3.2.2 Configuring Bridging over Link Layer Protocols.................................................... 3-12
3.2.3 Configuring the Bridging Address Table ............................................................... 3-14
3.2.4 Configuring the Bridge to Support STP................................................................. 3-16
3.2.5 Creating and Applying Bridging ACLs................................................................... 3-20
3.2.6 Configuring the Routing Function of the Bridge .................................................... 3-22
3.3 Displaying and Debugging Bridging Information ............................................................. 3-23
3.4 Transparent Bridging Configuration Examples................................................................ 3-24
3.4.1 Transparent Bridging on PPP ............................................................................... 3-24
3.4.2 Transparent Bridging on MP ................................................................................. 3-25
3.4.3 Transparent Bridging on Frame Relay.................................................................. 3-26
3.4.4 Transparent Bridging on X.25 ............................................................................... 3-27
3.4.5 Transparent Bridging on ATM ............................................................................... 3-28
3.4.6 Implementing Integrated Routing and Bridging..................................................... 3-29
3.4.7 Bridging on Ethernet Subinterfaces ...................................................................... 3-29
3.4.8 Bridging on FR Subinterfaces ............................................................................... 3-31
3.4.9 Bridging on Dial Interface and Filtering MAC Address.......................................... 3-32
3.5 Ethernet Type-Code Values ............................................................................................ 3-35
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