Cisco 3750G - Catalyst Integrated Wireless LAN Controller - Page 19

Contents
xix
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Bridge Protocol Data Unit Format and Processing 19-12
Processing Superior BPDU Information 19-13
Processing Inferior BPDU Information 19-13
Topology Changes 19-13
Configuring MSTP Features 19-14
Default MSTP Configuration 19-15
MSTP Configuration Guidelines 19-15
Specifying the MST Region Configuration and Enabling MSTP 19-16
Configuring the Root Switch 19-17
Configuring a Secondary Root Switch 19-19
Configuring Port Priority 19-19
Configuring Path Cost 19-21
Configuring the Switch Priority 19-22
Configuring the Hello Time 19-22
Configuring the Forwarding-Delay Time 19-23
Configuring the Maximum-Aging Time 19-24
Configuring the Maximum-Hop Count 19-24
Specifying the Link Type to Ensure Rapid Transitions 19-24
Designating the Neighbor Type 19-25
Restarting the Protocol Migration Process 19-26
Displaying the MST Configuration and Status 19-26
CHAPTER 20 Configuring Optional Spanning-Tree Features 20-1
Understanding Optional Spanning-Tree Features 20-1
Understanding Port Fast 20-2
Understanding BPDU Guard 20-2
Understanding BPDU Filtering 20-3
Understanding UplinkFast 20-3
Understanding Cross-Stack UplinkFast 20-5
How CSUF Works 20-6
Events that Cause Fast Convergence 20-7
Understanding BackboneFast 20-7
Understanding EtherChannel Guard 20-10
Understanding Root Guard 20-10
Understanding Loop Guard 20-11
Configuring Optional Spanning-Tree Features 20-11
Default Optional Spanning-Tree Configuration 20-12
Optional Spanning-Tree Configuration Guidelines 20-12
Enabling Port Fast 20-12