Understanding Flex Links And The Mac Address-Table Move Update - Cisco 3032 Software Configuration Manual

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Configuring Flex Links and the MAC

Address-Table Move Update Feature

This chapter describes how to configure Flex Links, a pair of interfaces on the switch that provide a

mutual backup. It also describes how to configure the MAC address-table move update feature, also

referred to as the Flex Links bidirectional fast convergence feature. Unless otherwise noted, the term

switch refers to a standalone switch and to a switch stack.

For complete syntax and usage information for the commands used in this chapter, see the command

reference for this release.

The chapter consists of these sections:

Understanding Flex Links and the MAC Address-Table Move

This section contains this information:

Flex Links are a pair of a Layer 2 interfaces (switch ports or port channels) where one interface is

configured to act as a backup to the other. The feature provides an alternative solution to the Spanning

Tree Protocol (STP). Users can disable STP and still retain basic link redundancy. Flex Links are

Understanding Flex Links and the MAC Address-Table Move Update, page 21-1

Configuring Flex Links and MAC Address-Table Move Update, page 21-7

Monitoring Flex Links and the MAC Address-Table Move Update Information, page 21-14

Flex Links, page 21-1

VLAN Flex Link Load Balancing and Support, page 21-2

Flex Link Multicast Fast Convergence, page 21-3

MAC Address-Table Move Update, page 21-6

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