Contents
xix
Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Configuring the Maximum-Hop Count 17-26
Specifying the Link Type to Ensure Rapid Transitions 17-27
Designating the Neighbor Type 17-27
Restarting the Protocol Migration Process 17-28
Displaying the MST Configuration and Status 17-28
CHAPTER
18 Configuring Optional Spanning-Tree Features 18-1
Understanding Optional Spanning-Tree Features 18-1
Understanding Port Fast 18-2
Understanding BPDU Guard 18-2
Understanding BPDU Filtering 18-3
Understanding UplinkFast 18-3
Understanding Cross-Stack UplinkFast 18-5
How CSUF Works 18-6
Events that Cause Fast Convergence 18-7
Understanding BackboneFast 18-7
Understanding EtherChannel Guard 18-10
Understanding Root Guard 18-10
Understanding Loop Guard 18-11
Configuring Optional Spanning-Tree Features 18-12
Default Optional Spanning-Tree Configuration 18-12
Optional Spanning-Tree Configuration Guidelines 18-12
Enabling Port Fast 18-13
Enabling BPDU Guard 18-14
Enabling BPDU Filtering 18-15
Enabling UplinkFast for Use with Redundant Links 18-16
Enabling Cross-Stack UplinkFast 18-17
Enabling BackboneFast 18-17
Enabling EtherChannel Guard 18-18
Enabling Root Guard 18-18
Enabling Loop Guard 18-19
Displaying the Spanning-Tree Status 18-20
CHAPTER
19 Configuring Flex Links and the MAC Address-Table Move Update Feature 19-1
Understanding Flex Links and the MAC Address-Table Move Update 19-1
Flex Links 19-2
VLAN Flex Link Load Balancing and Support 19-3
Flex Link Multicast Fast Convergence 19-3
Learning the Other Flex Link Port as the mrouter Port 19-3