Cisco WS-C3550-12G Switch Guide - Page 156

Fixed Switches: Cisco Nexus 3000 Series Hardware Features Description Specification Nexus 3064 Switch Physical • 1RU fixed form-factor switch • 64 10 Gigabit Ethernet ports (48 SFP+ and 4 QSFP+) • 48 SFP ports support 1 and 10 Gigabit Ethernet • 4 QSFP ports support 4 x 10 Gigabit Ethernet or 40 Gigabit Ethernet each • 2 redundant power supplies • 1 fan tray with redundant fans • 1 I/O module with management, console, and USB flash memory ports Performance • 1.28-Tbps switching capacity • Forwarding rate of 960 mpps • Line-rate traffic throughput (both Layer 2 and 3) on all ports • Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames) Hardware Tables and Scalability MAC addresses Number of VLANS 128,000 4096 Spanning-tree instances • Rapid Spanning Tree Protocol (RSTP): 512 • Multiple Spanning Tree (MST) Protocol: 64 Access control list (ACL) entries 2000 ingress 1000 egress Routing table 16000 prefixes and 16000 host entries* 8000 multicast routes* Number of EtherChannels 64 (with vPC) Number of ports per 16 EtherChannel Buffers 9 MB shared Boot flash memory 2 GB Power Power Number of power supplies 2 (redundant) Power supply types AC (forward and reversed airflow) DC (forward and reversed airflow) Typical operating power 143W (64p with Twinax at 100% load, 2 PSU) 177W (64p with SR optics at 100% load, 2 PSU) Maximum power 199W Input voltage 100 to 240 VAC Frequency 50 to 60 Hz Power supply efficiency 89% - 91% at 220V Typical heat dissipation 488 BTU per hr (64p with Twinax at 100% load, 2 PSU) 605 BTU per hr (64p with SR optics at 100% load, 2 PSU) Maximum heat dissipation 683 BTU per hr Cooling 154