Cisco Catalyst 4500-X (WS-C4500X-16SFP+) Switch - 16x Port SFP+ 10G IP Base, Front-to-Back

Expansion Module (Optional): 8x10 GE SFP+/SFP - C4KX-NM-8SFP+
Management Port: 10/100/1000 Base-T
USB Port: Type A (storage and boot) up-to 4 GB
Dual Power Supply: Yes
Field Replaceable Fans: Yes (5 fans)
Fan Redundancy: No performance impact with single fan failure
System Throughput: Up to 800 Gbps
IPv4 Routing in Hardware: Up to 250 Mpps
IPv6 Routing in Hardware: Up to 125 Mpps
L2 Bridging in Hardware: Up to 250 Mpps
Media Access Control (MAC) Entries: 55K
Forwarding Entries: 16x10 GE Port Base SKU: IPv4: 64K, IPv6: 32K
Flexible Netflow Entries: 128K
Switched Port Analyzer (SPAN), Remote Switched Port Analyzer (RSPAN): 8 line rate bidirectional sessions (ingress and egress)
Total VLANs: 4094
Total Switched Virtual Interfaces (SVIs): 4094
IGMP groups: 32K
Multicast routes: 16x10 GE Port Base SKU: IPv4: 24K, IPv6: 12K
Dynamic Host Configuration Protocol (DHCP) Snooping Entries: 12K (DHCP snooping bindings)
ARP Entries: 47K
Spanning Tree Protocol Instances: 10K
Jumbo Frame Support for Bridged and Routed Packets: Up to 9216 bytes
High Availability Solution: Virtual Switching System (VSS)
Number of stackable switches in VSS: Up to 2
VSS Throughput: Up to 1.6 Tbps
Virtual Switch Link: 1GE or 10GE
Max number of Virtual Switch Links: 8
In-Service Software Upgrade: Across the switches
Nonstop Forwarding with Stateful Switchover: Across the switches
Onboard Memory (SRAM DDR-II): 4 GB
Port Buffers: 32-MB Shared Memory
CPU: Dual Core 1.5 GHz
NVRAM: 2 GB
Optional External Memory (SD Card): 2 GB
Port Queues: 8 Queues/Port
CPU Queues: 64
QoS Entries: 128K (64K ingress and 64K in egress) Shared with ACL
Aggregate Rate-Limiting: Ingress port or VLAN and egress VLAN or Layer 3 port
Rate-Limiting Level Types: Committed Information Rate (CIR), Peak Information Rate (PIR)
Aggregate Traffic Rate-Limiting Policers (1K=1024): 16K
Flow-Based Rate-Limiting Method; Number of Rates: Supported using flow-records in the classification criteria and policing action
Qos Policy Enforcement: Per Port or Per Vlan or Per Port, Per VLAN Granularity
Class of Service (CoS): Yes
Differentiated Services Code Point (DSCP): Yes
Port Security: Yes
IEEE 802.1x and 802.1x Extensions: Yes
VLAN, Router, and Port ACLs: Yes
Security ACL Entries (1K=1024): 128K (64K ingress and 64K in egress) Shared with QoS
Unicast Reverse Path Forwarding (uRPF) Check in Hardware: Yes
CPU Rate Limiters (DoS Protection) Includes Control Plane Policing: Yes
Private VLANs: Yes
Micro Flow Policer: Yes. Supported using flow records in the class-map
CPU HW Rate Limiters by Packet Per Second (pps) and Bit Rate Policers (bps): Supported in hardware control-plane policing (CoPP)
Control Plane Policing (CoPP) for Multicast: Yes
ACL Labels: Yes