System
|
Expansion Module (Optional) |
8×10 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 |
Scalability
|
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 |
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 |
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 and Resiliency
|
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 |
CPU and Memory
|
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 |
QoS Features
|
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 |