Cisco Catalyst 3750-E - Page 21

Contents
xxi
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-08
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
Enabling BPDU Guard 20-13
Enabling BPDU Filtering 20-14
Enabling UplinkFast for Use with Redundant Links 20-15
Enabling Cross-Stack UplinkFast 20-16
Enabling BackboneFast 20-16
Enabling EtherChannel Guard 20-17
Enabling Root Guard 20-18
Enabling Loop Guard 20-18
Displaying the Spanning-Tree Status 20-19
CHAPTER 21 Configuring Flex Links and the MAC Address-Table Move Update Feature 21-1
Understanding Flex Links and the MAC Address-Table Move Update 21-1
Flex Links 21-1
VLAN Flex Link Load Balancing and Support 21-2
Flex Link Multicast Fast Convergence 21-3
Learning the Other Flex Link Port as the mrouter Port 21-3
Generating IGMP Reports 21-3
Leaking IGMP Reports 21-4
MAC Address-Table Move Update 21-6
Configuring Flex Links and MAC Address-Table Move Update 21-7
Configuration Guidelines 21-7
Default Configuration 21-8
Configuring Flex Links 21-8
Configuring VLAN Load Balancing on Flex Links 21-10
Configuring the MAC Address-Table Move Update Feature 21-12
Monitoring Flex Links and the MAC Address-Table Move Update 21-14
CHAPTER 22 Configuring DHCP Features and IP Source Guard 22-1
Understanding DHCP Features 22-1
DHCP Server 22-2
DHCP Relay Agent 22-2
DHCP Snooping 22-2