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

32x10 GE Port Base SKU: IPv4: 256K, IPv6: 128K

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

32x10 GE Port Base SKU: IPv4: 32K, IPv6: 32K

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