Cisco WS X4148 RJ21 - Catalyst 4000 Series 10/100 Telco Module 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
StackWise Plus
StackPower
Network Protocols
Unidirectional Link Detection (UDLD)
Gateway Load Balancing Protocol (GLBP)
Hot Standby Routing Protocol (HSRP)
Virtual Router Redundancy Protocol
(VRRP)
UplinkFast
Backbone Fast
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
36
(
continued)
Catalyst 3650-X Catalyst 3650-E
• •
External Only External Only
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
Catalyst 3560 Catalyst 2960
•
External Only External Only
•
•
• •
• •
•
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
Catalyst 2960-S Catalyst Express
External Only External
•
•
• 24, PC Only
• •
• •
• •
• •
• •
• •
• •
• •
•
• •
• •
• •
37