Cisco Catalyst 2960 Series User Manual

than 100 milliseconds (ms). The PC is directly connected to switch A, and the connection status does not
change. Switch A does not need to update the PC entry in the MAC address table.
Related Topics
Configuring a Switch to Obtain and Process MAC Address-Table Move Update Messages , on page 385
Configuring MAC Address-Table Move Update , on page 384
Configuring the MAC Address-Table Move Update: Examples, on page 389
Flex Links VLAN Load Balancing Configuration Guidelines
•
For Flex Links VLAN load balancing, you must choose the preferred VLANs on the backup interface.
•
You cannot configure a preemption mechanism and VLAN load balancing for the same Flex Links pair.
Related Topics
Configuring VLAN Load Balancing on Flex Links , on page 383
Configuring VLAN Load Balancing on Flex Links: Examples, on page 387
MAC Address-Table Move Update Configuration Guidelines
•
You can enable and configure this feature on the access switch to send the MAC address-table move
updates.
•
You can enable and configure this feature on the uplink switches to get the MAC address-table move
updates.
Default Flex Links and MAC Address-Table Move Update Configuration
•
Flex Links is not configured, and there are no backup interfaces defined.
•
The preemption mode is off.
•
The preemption delay is 35 seconds.
•
The MAC address-table move update feature is not configured on the switch.
Related Topics
Configuring a Preemption Scheme for a Pair of Flex Links , on page 381
Configuring Flex Links , on page 380
Configuring Flex Links: Examples, on page 387
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
379
Information About Flex Links and MAC Address-Table Move Update

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000