Комплектация коммутатора   Обзор продукта Коммутаторы серии Cisco Nexus С3048, поставляются с широким набором возможностей и дополнительных функций. Это оборудование успешно зарекомендовало себя в тысячах центрах обработки данных по всему миру. Идеально подходит для обработки большого объема данных, требующих Gigabit Ethernet ToR с локальной коммутацией. Набор функций программного обеспечения Cisco NX-OS. Основные особенности 48 портов 10/100/1000Base-T RJ-45 4 порта аплинка 1/10 Гбит/с SFP+ Пропускная способность 176 Гбит/с  Передача до 132 миллионов пакетов в секунду (Mpps) Таблица MAC 128000 Буфер 9 MB  Память DRAM 4 GB Boot flash память 2 GB MTU до 9216 байт (jumbo frames) 2 блока питания 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 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

Комплектация коммутатора   Обзор продукта Коммутаторы серии Cisco Nexus С3048, поставляются с широким набором возможностей и дополнительных функций. Это оборудование успешно зарекомендовало себя в тысячах центрах обработки данных по всему миру. Идеально подходит для обработки большого объема данных, требующих Gigabit Ethernet ToR с локальной коммутацией. Набор функций программного обеспечения Cisco NX-OS. Основные особенности 48 портов 10/100/1000Base-T RJ-45 4 порта аплинка 1/10 Гбит/с SFP+ Пропускная способность 176 Гбит/с  Передача до 132 миллионов пакетов в секунду (Mpps) Таблица MAC 128000 Буфер 9 MB  Память DRAM 4 GB Boot flash память 2 GB MTU до 9216 байт (jumbo frames) 2 блока питания 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 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