Cisco Catalyst 4503 chassis
Supported 28 Gbps, 21 Mpps
Cisco Catalyst 4506 chassis
Supported 64 Gbps, 48 Mpps
Cisco Catalyst 4507R chassis
Platform support
Cisco Catalyst 4006, 4503, 4506, 4507R
Switching capacity
Throughput
Multilayer switching
Basic routing protocols
Enhanced Routing Protocols (OSPF, (E)IGRP, BGP, IS-IS)
MAC addresses
Operating system
Transmit queues
QoS
DBL (Congestion Avoidance QoS feature)
Yes
CPU
333 MHz
Redundant capable
Yes (Cisco Catalyst 4507R only)
Onboard Flash memory
Memory speed (Synchronous Dynamic RAM [SDRAM])
133 MHz
ISL
ACLS
Policers
IGMP snooping
Compact flash
