CHAPTER
19-1
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
19
Configuring Standard-Compliant IEEE MST
This chapter describes how to configure the standard-compliant IEEE Multiple Spanning Tree (MST)
protocol on Cisco 7600 series routers.
Note • The IEEE MST protocol has transitioned from a prestandard state to a released state. This chapter
describes the standard-compliant MST implementation supported in Release 12.2(18)SXF and later
releases. Chapter 20, “Configuring STP and Prestandard IEEE 802.1s MST,” describes the
prestandard MST implementation supported in releases earlier than Release 12.2(18)SXF.
• For complete syntax and usage information for the commands used in this chapter, refer to the Cisco
IOS Master Command List, Release 12.2SX at this URL:
http://www.cisco.com/en/US/docs/ios/mcl/122sxmcl/12_2sx_mcl_book.html
This chapter consists of these sections:
• Understanding MST, page 19-1
• Understanding RSTP, page 19-9
• Configuring MST, page 19-15
• Displaying the MST Configuration and Status, page 19-28
Tip For additional information (including configuration examples and troubleshooting information), see the
documents listed on this page:
http://www.cisco.com/en/US/products/hw/routers/ps368/tsd_products_support_series_home.html
Understanding MST
These sections describe MST:
• MST Overview, page 19-2
• MST Regions, page 19-2
• IST, CIST, and CST, page 19-3
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