Cisco WS-C4900M - Page 60

60
Cisco Data Center Switching Solutions (continued)
Modular Switches
Model/Series Nexus 7000 Series Catalyst 6500 Series
Redundant Power Supplies • •
Redundant Fans • •
Generic Online Diagnostics (GOLD) • •
Power Supply Failure Redundancy • •
Power Circuit Failure Redundancy • •
Redundant Fan Trays • •
Redundant Supervisors • •
Hot-Swappable Redundant Fabric Modules •
Network Protocols
Unidirectional Link Detection (UDLD) • •
Aggressive UDLD • •
UplinkFast •
Backbone Fast •
RSTP (802.1w) • •
PortFast • •
Per VLAN STP (PVSTP) •
Per VLAN RSTP (PVRSTP) • •
Multiple Instance STP (MISTP) • •
MSTP (802.1s) • •
STP Root Guard • •
BPDU Guard • •
Loop Guard • •
Bridge Assurance • •
Dispute Mechanism •
Flexlink •
Link State Tracking •
IP Event Dampening •
Software Modularity
Subsystem in Service Software Upgrade
(ISSU)
• •
Software Modularity • •
Granular Feature Modularity •
Conditional Services •
Fault Containment • •
Memory Protection • •
Process Restartability • •
Introduction