BLADE OS™ Application Guide HP GbE2c Ethernet Blade Switch for c-Class BladeSystem Version 5.1 Advanced Functionality Software

Table Of Contents
BMD00113, September 2009 121
CHAPTER 6
RSTP and MSTP
IEEE 802.1w Rapid Spanning Tree Protocol enhances the Spanning Tree Protocol to provide rapid
convergence on Spanning Tree Group 1. IEEE 802.1s Multiple Spanning Tree Protocol extends the
Rapid Spanning Tree Protocol, to provide both rapid convergence and load balancing in a VLAN
environment.
The following topics are discussed in this chapter:
“Rapid Spanning Tree Protocol” on page 122
“Port State Changes” on page 122
“Port Type and Link Type” on page 123
“RSTP Configuration Guidelines” on page 124
“RSTP Configuration Example” on page 124
“Multiple Spanning Tree Protocol” on page 125
“MSTP Region” on page 125
“Common Internal Spanning Tree” on page 125
“MSTP Configuration Guidelines” on page 126
“MSTP Configuration Example” on page 126