Configuring Spanning Tree
Spanning Tree
Configuration Guide
273
BPDU
The packets used to generate the spanning tree. The BPDUs (Bridge Protocol Data Unit)
contain a lot of information, like bridge ID, root path cost, port priority and so on. Switches
share these information to help determine the tree topology.
1.2.2 MSTP Concepts
MSTP, compatible with STP and RSTP, has the same basic elements used in STP and RSTP.
Based on the networking topology, this section will introduce some concepts only exist in
MSTP.
Figure 1-3
MSTP Topology
region 1
region 3
region 4
CST
IST
Blocked Port
region 2
MST Region
An MST region consists of multiple interconnected switches. The switches that have the
following characteristics are considered as in the same region:
Same region name
Same revision level
Same VLAN-Instance mapping
MST Instance
The MST instance is a spanning tree running in the MST region. Multiple MST instances can
be established in one MST region and they are independent of each other. As is shown in
Figure 1-4, there are three instances in a region, and each instance has its own root bridge.
Содержание T2500G-10MPS
Страница 1: ...User Guide T2500G 10MPS 1910012405 REV1 0 1 April 2018...
Страница 24: ...Using the CLI 767 Appendix Default Parameters 773...
Страница 27: ...Part 1 Accessing the Switch CHAPTERS 1 Overview 2 Web Interface Access 3 Command Line Interface Access...
Страница 129: ...Part 4 Configuring LAG CHAPTERS 1 LAG 2 LAG Configuration 3 Configuration Example 4 Appendix Default Parameters...
Страница 145: ...Part 5 Monitoring Traffic CHAPTERS 1 Traffic Monitor 2 Appendix Default Parameters...
Страница 172: ...Part 7 Configuring DDM CHAPTERS 1 Overview 2 DDM Configuration 3 Appendix Default Parameters...
Страница 190: ...Part 8 Configuring L2PT CHAPTERS 1 Overview 2 L2PT Configuration 3 Configuration Example 4 Appendix Default Parameters...
Страница 274: ...Part 13 Configuring GVRP CHAPTERS 1 Overview 2 GVRP Configuration 3 Configuration Example 4 Appendix Default Parameters...
Страница 800: ...Configuration Guide 776 Configuring SNMP RMON Appendix Default Parameters Parameter Default Setting Status Disable...
Страница 803: ...BSMI Notice Pb Cd Hg CrVI PBB PBDE PCB 1 2...