H3C S5120-SI Series Operation Manual page 139

1 MSTP Configuration ··································································································································1-1
Overview ·················································································································································1-1
Introduction to STP ·································································································································1-1
Why STP ·········································································································································1-1
Protocol Packets of STP··················································································································1-1
Basic Concepts in STP····················································································································1-2
How STP works ·······························································································································1-3
Introduction to RSTP·······························································································································1-9
Introduction to MSTP ····························································································································1-10
Why MSTP ····································································································································1-10
Basic Concepts in MSTP···············································································································1-11
How MSTP Works ·························································································································1-14
Implementation of MSTP on Devices ····························································································1-15
Protocols and Standards ···············································································································1-15
MSTP Configuration Task List ··············································································································1-15
Configuring the Root Bridge··················································································································1-16
Configuring an MST Region ··········································································································1-16
Specifying the Root Bridge or a Secondary Root Bridge ······························································1-18
Configuring the Work Mode of an MSTP Device ··········································································1-19
Configuring the Priority of the Current Device···············································································1-19
Configuring the Maximum Hops of an MST Region······································································1-20
Configuring the Network Diameter of a Switched Network ···························································1-21
Configuring Timers of MSTP ·········································································································1-21
Configuring the Timeout Factor·····································································································1-23
Configuring the Maximum Port Rate ·····························································································1-23
Configuring Ports as Edge Ports ···································································································1-24
Setting the Link Type of a Port to P2P ··························································································1-25
Configuring the Mode a Port Uses to Recognize/Send MSTP Packets········································1-26
Enabling the Output of Port State Transition Information······························································1-27
Enabling the MSTP Feature ··········································································································1-27
Configuring Leaf Nodes ························································································································1-28
Configuring an MST Region ··········································································································1-28
Configuring the Work Mode of MSTP····························································································1-28
Configuring the Timeout Factor·····································································································1-28
Configuring the Maximum Transmission Rate of Ports·································································1-28
Configuring Ports as Edge Ports ···································································································1-29
Configuring Path Costs of Ports ····································································································1-29
Configuring Port Priority ················································································································1-30
Setting the Link Type of a Port to P2P ··························································································1-31
Configuring the Mode a Port Uses to Recognize/Send MSTP Packets········································1-31
Enabling Output of Port State Transition Information····································································1-31
Enabling the MSTP Feature ··········································································································1-31
Performing mCheck ······························································································································1-32
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