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Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-05
Hop Count 11-10
Boundary Ports 11-10
Interoperability with 802.1D STP 11-11
Configuring RSTP and MSTP Features 11-11
Default RSTP and MSTP Configuration 11-12
RSTP and MSTP Configuration Guidelines 11-12
Specifying the MST Region Configuration and Enabling MSTP 11-13
Configuring the Root Switch 11-14
Configuring a Secondary Root Switch 11-16
Configuring the Port Priority 11-17
Configuring the Path Cost 11-18
Configuring the Switch Priority 11-19
Configuring the Hello Time 11-19
Configuring the Forwarding-Delay Time 11-20
Configuring the Maximum-Aging Time 11-21
Configuring the Maximum-Hop Count 11-21
Specifying the Link Type to Ensure Rapid Transitions 11-22
Restarting the Protocol Migration Process 11-22
Displaying the MST Configuration and Status 11-23
CHAPTER
12 Configuring Optional Spanning-Tree Features 12-1
Understanding Optional Spanning-Tree Features 12-1
Understanding Port Fast 12-2
Understanding BPDU Guard 12-3
Understanding BPDU Filtering 12-3
Understanding UplinkFast 12-4
Understanding Cross-Stack UplinkFast 12-5
How CSUF Works 12-6
Events That Cause Fast Convergence 12-7
Limitations 12-8
Connecting the Stack Ports 12-8
Understanding BackboneFast 12-10
Understanding Root Guard 12-12
Understanding Loop Guard 12-13
Configuring Optional Spanning-Tree Features 12-13
Default Optional Spanning-Tree Configuration 12-14
Enabling Port Fast 12-14
Enabling BPDU Guard 12-15
Enabling BPDU Filtering 12-16