3Com WX3000 Series Operation Manual page 169

1 MSTP Configuration ··································································································································1-1
STP Overview ·········································································································································1-1
STP Overview··································································································································1-1
MSTP Overview ······································································································································1-9
Background of MSTP ······················································································································1-9
Basic MSTP Terminologies ···········································································································1-10
Principle of MSTP··························································································································1-13
MSTP Implementation on the Device····························································································1-14
STP-related Standards ··················································································································1-15
Configuring Root Bridge························································································································1-15
Configuration Prerequisites ···········································································································1-16
Configuring an MST Region ··········································································································1-16
Specifying the Current Device as a Root Bridge/Secondary Root Bridge ····································1-17
Configuring the Bridge Priority of the Current Device ···································································1-19
Configuring the Mode a Port Recognizes and Sends MSTP Packets ··········································1-20
Configuring the MSTP Operation Mode ························································································1-21
Configuring the Maximum Hop Count of an MST Region ·····························································1-22
Configuring the Network Diameter of the Switched Network ························································1-22
Configuring the MSTP Time-related Parameters ··········································································1-23
Configuring the Timeout Time Factor····························································································1-24
Configuring the Maximum Transmitting Speed on the Current Port ·············································1-25
Configuring the Current Port as an Edge Port ··············································································1-26
Specifying Whether the Link Connected to a Port Is Point-to-point Link ······································1-27
Enabling MSTP······························································································································1-28
Configuring Leaf Nodes ························································································································1-29
Configuration Prerequisites ···········································································································1-30
Configuring the MST Region ·········································································································1-30
Configuring the Mode a Port Recognizes and Sends MSTP Packets ··········································1-30
Configuring the Timeout Time Factor····························································································1-30
Configuring the Maximum Transmitting Speed on the Current Port ·············································1-30
Configuring a Port as an Edge Port·······························································································1-30
Configuring the Path Cost for a Port ·····························································································1-31
Configuring Port Priority ················································································································1-33
Specifying Whether the Link Connected to a Port Is a Point-to-point Link ···································1-34
Enabling MSTP······························································································································1-34
Performing mCheck Operation ·············································································································1-34
Configuration Prerequisites ···········································································································1-34
Configuration Procedure················································································································1-34
Configuration Example ··················································································································1-35
Configuring Guard Functions ················································································································1-35
Introduction····································································································································1-35
Configuration Prerequisites ···········································································································1-37
Configuring BPDU Guard ··············································································································1-37
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