思科数据中心交换机 ：N3K-C3464C Nexus 3464C可编程交换机，64 40/100G QSFP28端口
Cisco Nexus 3000系列交换机概述
Cisco Nexus®3000系列交换机是基于芯片交换（SoC）架构构建的1,10/25,40,50100G千兆以太网交换机的综合组合。该系列交换机于2011年4月推出，提供线速第2层和第3层性能，适用于机架顶部（ToR）架构。
Cisco Nexus 3264C-E产品概述
Cisco Nexus 3264C-E交换机是为数据中心设计的密集、高性能、节能、100 Gbps交换机。这种2机架单元（2RU）模型提供线速第2层和第3层，在所有端口上切换，延迟为450ns。Cisco Nexus 3264C-E将MACsec引入3200系列，提供16个MACsec端口。
Cisco Nexus 3264C-E支持带交流和直流电源输入的正向和反向（端口侧排气和端口侧进气）气流方案。
Cisco Nexus 3264C-E（图1）是具有64个QSFP28端口的四小型可插拔（QSFP）交换机。每个QSFP28端口都可以以10、25、40、50和100 Gbps的速度运行，最多可以有128 x 25 Gbps的端口。
图1。
Cisco Nexus 3264C-E交换机
Cisco Nexus 3264C-E交换机具有以下硬件配置：
● 64个固定100千兆以太网QSFP28端口
● 16个支持MACsec的固定端口
● 信标LED
● 环境LED
● 状态LED
● 车道选择LED
● 双冗余电源
● 冗余（3+1）风扇
● 2个1/10G SFP+端口（前面是端口65和端口66）
● 1个RS-232控制台端口
● 1个RJ45和1个SFP管理端口
● 1个USB端口
每个风扇或电源上的彩色手柄清楚地指示气流方向，如图2和3所示。
Cisco Nexus 3264C-E with red handles indicating port-side intake airflow
Cisco Nexus 3264C-E QSFP28 transceiver support
| Part Number | Description |
| QSFP-100G-AOC (1m–30m) | QSFP 100-Gbps to QSFP 100-Gbps AOC: 1, 2, 3, 5, 7, 10, 15, and 30m |
| QSFP-100G-CU (1m–5m) | QSFP 100-Gbps to QSFP 100-Gbps copper DAC: 1, 2, 3, and 5m |
| QSFP-100G-SR4-S | 100GBASE SR4 transceiver module with MPO-12 connector, multimode fiber up to 100m |
| QSFP-100G-LR4-S | 100GBASE LR4 transceiver module for Single-Mode Fiber (SMF) with LC connector, 10km |
| QSFP-100G-CWDM4-S | 100GBASE CWDM4 transceiver module for Single-Mode Fiber (SMF) with LC connector, 2km |
| QSFP-100G-PSM4-S | 100GBASE PSM4 transceiver module with MPO-12 connector, single-mode fiber up to 500m |
Cisco Nexus 3264C-E Switch Data Sheet
Ordering information
| Part Number | Description |
| Chassis | |
| N3K-C3264C-E | Nexus 3264C-E switch with 64 QSFP28 |
| NXA-FAN-160CFM-PE | Nexus Fan, Forward airflow (port side exhaust) |
| NXA-FAN-160CFM-PI | Nexus Fan, Reversed airflow (port side intake) |
| NXA-PAC-1200W-PE | Nexus 1200W AC Power Supply, Forward airflow (port side exhaust) |
| NXA-PAC-1200W-PI | Nexus 1200W AC Power Supply, Reversed airflow (port side intake) |
| NXA-PDC-930W-PE[3] | Nexus 930W DC Power Supply, Forward airflow (port side exhaust) |
| NXA-PDC-930W-PI | Nexus 930W DC Power Supply, Reversed airflow (port side intake) |
| N9K-PUV-1200W | Nexus 1200W DC Power Supply |
| Software licenses | |
| N3K-LAN2K9 | Nexus 3264C-E Layer 3 LAN Enterprise License |
| Spares | |
| N3K-C3264C-E= | Nexus 3264C-E switch with 64 QSFP28 spare |
| NXA-FAN-160CFM-PE= | Nexus Fan, Forward airflow (port side exhaust) spare |
| NXA-FAN-160CFM-PI= | Nexus Fan, Reversed airflow (port side intake) spare |
| NXA-PAC-1200W-PE= | Nexus 1200W AC Power Supply, Forward airflow (port side exhaust) spare |
| NXA-PAC-1200W-PI= | Nexus 1200W AC Power Supply, Reversed airflow (port side intake) spare |
| NXA-PDC-930W-PE= | Nexus 930W DC Power Supply, Forward airflow (port side exhaust) spare |
| NXA-PDC-930W-PI= | Nexus 930W DC Power Supply, Reversed airflow (port side intake) spare |
| N9K-PUV-1200W= | Nexus 1200W DC Power Supply spare |
