Коммутатор Cisco Nexus N3K-C3048TP-1GE

Product specifications

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: 128,000
• Number of VLANS: 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 EtherChannel: 16
• Buffers 9 MB shared
• Boot flash memory 2 GB

Power

• Number of power supplies: 2 (redundant)
• Typical operating power: 120 watts (W) (48p of 1G and 4p of 10G/SR at 100% load, with 2 Power Supply Units [PSUs])
• Maximum power: 124W
• AC PSUs: Input voltage 100 to 240 VAC,  Frequency  50 to 60 Hz, Efficiency 89 to 91% at 220V
• DC PSUs: Input voltage -40 to -72 VDC, Maximum current 33A, Efficiency 85 to 88%
• Typical heat dissipation: 409 BTU/hr (48p of 1G and 4p of 10G/SR at 100% load, with 2 PSUs)
• Maximum heat dissipation: 423 BTU/hr

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 minute)

Sound

• Measured sound power (maximum): 
  Fan speed: 40% duty cycle - 63.9 dBA
  Fan speed: 60% duty cycle - 64.7 dBA
  Fan speed: 100% duty cycle - 66.4 dBA

Environment

• Dimensions (height x width x depth): 1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm)
• Weight 20.5 lb (9.3 kg)
• 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 Up to 5 days at maximum (85%) humidity, Recommend ASHRAE data center environment 
• Storage relative humidity: 5 to 95% noncondensing
• Altitude: to 10,000 ft (0 to 3000m)

Software features

• Layer 2 switch ports and VLAN trunks
• IEEE 802.1Q VLAN encapsulation
• Support for up to 4096 VLANs
• Rapid per-VLAN Spanning Tree Plus (PVRST+) (IEEE 802.1w compatible)
• MSTP (IEEE 802.1s): 64 instances
• Spanning Tree PortFast
• Spanning Tree Root Guard
• Spanning Tree Bridge Assurance
• vPC
• Cisco EtherChannel technology (up to 16 ports per EtherChannel)
• LACP: IEEE 802.3ad
• Advanced PortChannel hashing based on Layer 2, 3, and 4 information
• Jumbo frames on all ports (up to 9216 bytes)
• Storm control (unicast, multicast, and broadcast)
• PVLANs

Layer 3

• Layer 3 interfaces: Routed ports on interfaces, Switch Virtual Interfaces (SVIs), PortChannels, and subinterfaces (total = 1024)
• 32-way ECMP
• 2000 ingress and 1000 egress ACL entries
• Routing protocols: Static, RIP v2, EIGRP, OSPFv2, and BGP
• Bidirectional Flow Detection (BFD) for BGP
• HSRP and VRRP
• ACL: Routed ACL with Layer 3 and 4 options to match ingress and egress ACLs
• VRF: VRF-lite (IP VPN), VRF-aware unicast (BGP, OSPF, and RIP), and VRF-aware multicast
• uRPF with ACL; strict and loose modes
• Jumbo frame support (up to 9216 bytes)

Multicast

• Multicast: PIM-SM Version 2 and SSM
• Bootstrap Router (BSR), Automatic Rendezvous Point (Auto-RP), and Static RP
• MSDP and Anycast-RP
• Internet Group Management Protocol (IGMP) Versions 2, and 3

Quality of Service (QoS)

• Layer 2 IEEE 802.1p (Class of Service [CoS])
• 8 hardware queues per port
• Per-port QoS configuration
• CoS trust
• Port-based CoS assignment
• Modular QoS CLI (MQC) compliance
• ACL-based QoS classification (Layers 2, 3, and 4)
• MQC CoS marking
• Differentiated Services Code Point (DSCP) marking
• Weighted Random Early Detection (WRED)
• CoS-based egress queuing
• Egress strict-priority queuing
• Egress port-based scheduling: Weighted Round-Robin (WRR)
• Explicit Congestion Notification (ECN)

Security

• Ingress ACLs (standard and extended) on Ethernet
• Standard and extended Layer 3 to 4 ACLs: IPv4, Internet Control Message Protocol (ICMP), TCP, User Datagram Protocol (UDP), etc.
• VLAN-based ACLs (VACLs)
• Port-based ACLs (PACLs)
• Named ACLs
• ACLs on virtual terminals (vtys)
• DHCP snooping with Option 82
• Port number in DHCP Option 82
• DHCP relay
• Dynamic Address Resolution Protocol (ARP) inspection
• CoPP

Cisco Nexus Data Broker

• Topology support for tap and SPAN aggregation
• Support for QinQ to tag input source tap and SPAN ports
• Traffic load balancing to multiple monitoring tools
• Traffic filtering based on Layer 1 through Layer 4 header information
• Traffic replication and forwarding to multiple monitoring tools
• Robust RBAC
• Northbound Representational State Transfer (REST) API for all programmability support

Management

• Switch management using 10/100/1000-Mbps management or console ports
• CLI-based console to provide detailed out-of-band management
• In-band switch management
• Locator and beacon LEDs
• Port-based locator and beacon LEDs
• Configuration rollback
• SSHv2
• Telnet
• AAA
• AAA with RBAC
• RADIUS
• TACACS+
• Syslog
• Syslog generation on system resources (for example, FIB tables)
• Embedded packet analyzer
• SNMP v1, v2, and v3
• Enhanced SNMP MIB support
• XML (NETCONF) support
• Remote Monitoring (RMON)
• Advanced Encryption Standard (AES) for management traffic
• Unified username and passwords across CLI and SNMP
• Microsoft Challenge Handshake Authentication Protocol (MS-CHAP)
• Digital certificates for management between switch and RADIUS server
• Cisco Discovery Protocol Versions 1 and 2
• RBAC
• Cisco Switched Port Analyzer (SPAN) on physical, PortChannel and VLAN interfaces
• Encapsulated Remote Switched Port Analyzer (ERSPAN)
• Ingress and egress packet counters per interface
• PTP (IEEE1588) boundary clock
• Network Time Protocol (NTP)
• Cisco OHMS
• Comprehensive bootup diagnostic tests
• Cisco Call Home
• Cisco DCNM
• Advanced buffer monitoring