WS-C4500X-16SFP+ Specification |
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 |
