H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – MSTP
H3C S7500E Series Ethernet Switches Table of Contents
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Table of Contents
Chapter 1 MSTP Configuration .................................................................................................... 1-1
1.1 MSTP Overview................................................................................................................. 1-1
1.1.1 Introduction to STP ................................................................................................. 1-1
1.1.2 Introduction to MSTP ............................................................................................ 1-11
1.1.3 Protocols and Standards....................................................................................... 1-18
1.2 Configuration Task List .................................................................................................... 1-18
1.3 Configuring the Root Bridge ............................................................................................ 1-19
1.3.1 Configuring an MST Region.................................................................................. 1-19
1.3.2 Specifying the Root Bridge or a Secondary Root Bridge...................................... 1-21
1.3.3 Configuring the Work Mode of MSTP Device ....................................................... 1-23
1.3.4 Configuring the Priority of the Current Device ...................................................... 1-23
1.3.5 Configuring the Maximum Hops of an MST Region.............................................. 1-24
1.3.6 Configuring the Network Diameter of a Switched Network................................... 1-25
1.3.7 Configuring Timers of MSTP................................................................................. 1-26
1.3.8 Configuring the Timeout Factor............................................................................. 1-28
1.3.9 Configuring the Maximum Transmission Rate of Ports......................................... 1-28
1.3.10 Configuring Ports as Edge Ports......................................................................... 1-29
1.3.11 Configuring Whether Ports Connect to Point-to-Point Links............................... 1-30
1.3.12 Configuring the Mode a Port Uses to Recognize/Send MSTP Packets ............. 1-32
1.3.13 Enabling the Output of Port State Transition Information ................................... 1-33
1.3.14 Enabling the MSTP Feature................................................................................ 1-33
1.4 Configuring Leaf Nodes................................................................................................... 1-34
1.4.1 Configuring an MST Region.................................................................................. 1-34
1.4.2 Configuring the Work Mode of MSTP ................................................................... 1-34
1.4.3 Configuring the Timeout Factor............................................................................. 1-34
1.4.4 Configuring the Maximum Transmission Rate of Ports......................................... 1-34
1.4.5 Configuring Ports as Edge Ports........................................................................... 1-35
1.4.6 Configuring Path Costs of Ports............................................................................ 1-35
1.4.7 Configuring Port Priority........................................................................................ 1-37
1.4.8 Configuring Whether Ports Connect to Point-to-Point Links................................. 1-38
1.4.9 Configuring the Mode a Port Uses to Recognize/Send MSTP Packets ............... 1-38
1.4.10 Enabling Output of Port State Transition Information ......................................... 1-38
1.4.11 Enabling the MSTP Feature................................................................................ 1-38
1.5 Performing mCheck......................................................................................................... 1-38
1.5.1 Configuration Prerequisites................................................................................... 1-39
1.5.2 Configuration Procedure ....................................................................................... 1-39
1.5.3 Configuration Example.......................................................................................... 1-39
1.6 Configuring Digest Snooping........................................................................................... 1-40