Cisco Catalyst 3550 series Software Configuration Manual page 16

Contents
Configuring Optional Spanning-Tree Features
18
C H A P T E R
Configuring DHCP Features
19
C H A P T E R
Catalyst 3550 Multilayer Switch Software Configuration Guide
xvi
Specifying the Link Type to Ensure Rapid Transitions
Restarting the Protocol Migration Process
Displaying the MST Configuration and Status
Understanding Optional Spanning-Tree Features
Understanding Port Fast
Understanding BPDU Guard
Understanding BPDU Filtering
Understanding UplinkFast
Understanding Cross-Stack UplinkFast
How CSUF Works
Events that Cause Fast Convergence
Limitations
18-8
Connecting the Stack Ports
Understanding BackboneFast
Understanding EtherChannel Guard
Understanding Root Guard
Understanding Loop Guard
Configuring Optional Spanning-Tree Features
Default Optional Spanning-Tree Configuration
Optional Spanning-Tree Configuration Guidelines
Enabling Port Fast
18-14
Enabling BPDU Guard
Enabling BPDU Filtering
Enabling UplinkFast for Use with Redundant Links
Enabling Cross-Stack UplinkFast
Enabling BackboneFast
Enabling EtherChannel Guard
Enabling Root Guard
Enabling Loop Guard
Displaying the Spanning-Tree Status
Understanding DHCP Features
DHCP Snooping
19-1
Option-82 Data Insertion
Configuring DHCP Features
Default DHCP Configuration
17-22
17-23
18-1
18-1
18-2
18-3
18-3
18-4
18-5
18-6
18-7
18-8
18-10
18-12
18-12
18-13
18-14
18-14
18-15
18-16
18-19
18-20
18-20
18-21
18-21
18-22
19-1
19-1
19-2
19-3
19-3
17-22
18-14
18-17
78-11194-09