Cisco Catalyst 2940 Series Manual page 20

Introduction
Cisco Catalyst Family Feature Comparison
Fixed-Configuration Switches
Model/Series
Availability and Resiliency
Switch Redundancy
IOS Software Modularity
Non-stop Forwarding/Stateful Switchover
(NSF/SSO)
NSF-aware
Redundant Power Supplies
Redundant Fans
Redundant Fan Trays
Redundant Supervisors
Generic Online Diagnostics (GOLD)
Basic Support for GOLD Services
Power Supply Failure Redundancy
Power Circuit Failure Redundancy
Network Protocols
Unidirectional Link Detection (UDLD)
Gateway Load Balancing Protocol (GLBP)
Hot Standby Routing Protocol (HSRP)
Virtual Router Redundancy Protocol
(VRRP)
UplinkFast
BackBoneFast
RSTP (802. 1 w)
PortFast
Per VLAN STP (PVSTP)
Per VLAN RSTP (PVRSTP)
Multiple Instance STP (MISTP)
MSTP (802. 1 s)
STP Root Guard
BDPU Guard
Loop Guard
IP Event Dampening
Bidirectional Forwarding Detection
Digital Optical Monitoring
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Catalyst 3560 Catalyst 2960
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Catalyst Express
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