Contents
xiv
Catalyst 2960 Switch SoftwareConfiguration Guide
78-16881-01
Bridge Protocol Data Unit Format and Proc essing 16-9
Processing Superior BPDU Information 16-10
Processing Inferior BPDU Information 16-10
Topology Changes 16-10
Configuring MSTP Features 16-11
Default MSTP Configuration 16-11
MSTP Configuration Guidelines 16-12
Specifying the MST Region Configuration and Enabling MSTP 16-13
Configuring the Root Switch 16-14
Configuring a Secondary Root Switch 16-15
Configuring Port Priority 16-16
Configuring Path Cost 16-17
Configuring the Switch Priority 16-18
Configuring the Hello Time 16-19
Configuring the Forwarding-Delay Time 16-20
Configuring the Maximum-Aging Time 16-20
Configuring the Maximum-Hop Count 16-21
Specifying the Link Type to Ensure Rapid Transitions 16-21
Restarting the Protocol Migration Process 16-22
Displaying the MST Configuration and Status 16-22
CHAPTER
17 Configuring Optional Spanning-Tree Features 17-1
Understanding Optional Spanning-Tree Features 17-1
Understanding Port Fast 17-2
Understanding BPDU Guard 17-3
Understanding BPDU Filtering 17-3
Understanding UplinkFast 17-4
Understanding BackboneFast 17-5
Understanding EtherChannel Guard 17-7
Understanding Root Guard 17-8
Understanding Loop Guard 17-9
Configuring Optional Spanning-Tree Features 17-9
Default Optional Spanning-Tree Configuration 17-9
Optional Spanning-Tree Configuration Guidelines 17-10
Enabling Port Fast 17-10
Enabling BPDU Guard 17-11
Enabling BPDU Filtering 17-12
Enabling UplinkFast for Use with Redundant Links 17-13
Enabling BackboneFast 17-14