Cisco WS-C3550-12G Switch Guide - Page 157

Description Specification Cooling Forward and reversed airflow schemes: • Forward airflow: Port-side exhaust (air enters through fan-tray and power supplies and exits through ports) • Reversed airflow: Port-side intake (air enters through ports and exits through fan-tray and power supplies) • Single fan tray with redundant fans • Hot swappable (must swap within 1 min) Environment Dimensions (height x width 1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm) x depth) Weight 20.5 lbs (9.3 kgs) Operating temperature 32 to 104° F (0 to 40°C) Storage temperature -40 to 158° F (-40 to 70°C) Operating relative humidity 10 to 85% noncondensing Storage relative humidity Up to 5 days at max (85%) humidity Altitude Recommend ASHRAE data center Environment Nexus 3048 Switch Physical • 1RU fixed form-factor switch • 48 10/100/1000 Mbps RJ-45 ports • 4 1/10 Gbps SFP+ uplink ports • 2 redundant power supplies • 1 fan tray with redundant fans • 1 I/O module with management, console, and USB flash memory ports Performance • 176 Gbps switching capacity • Forwarding rate of 132 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 • RSTP: 512 • MSTP: 64 ACL entries 2000 ingress 1000 egress Routing table 16,000 prefixes and 16,000 host entries* 8000 multicast routes* Number of EtherChannels 52 (with vPC) Number of ports per 16 EtherChannel Buffers 9 MB shared Boot flash memory 2 GB Power 155