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N3K-C31128PQ-10GE is the Nexus 31128PQ, 96 SFP+ ports, 8 QSFP+ ports, 2RU switch. The Cisco Nexus 31128PQ Switch is a dense, high-performance Layer 2 and 3, 10- and 40-Gbps switch that is a member of the Cisco Nexus 3100 switches. The Nexus 3100 switches are the second-generation Cisco Nexus 3000 series switches and offer improved port density, scalability, and features compared to the first-generation switches. The Cisco Nexus 31128PQ comes in a compact two-rack-unit (2RU) form factor and runs the industry-leading Cisco NX-OS Software operating system, providing customers comprehensive features and functions that are widely deployed. It supports both forward and reverse (port side exhaust and port side intake) airflow schemes with AC and DC power inputs. The Cisco Nexus 31128PQ is well suited for data centers that require a cost-effective, power-efficient line-rate Layer 2 and 3 access or leaf switch.
Quick Specs
Table 1 shows the Quick Specs.
|
Product Code |
N3K-C31128PQ-10GE |
|
Physical |
· 2RU fixed form-factor switch · 8 QSFP+ ports · 96 SFP+ ports · 2 redundant power supplies · 2 redundant (1+1) fans (2 rotors per fan) · Management, console, and 2 USB flash-memory ports |
|
Performance |
· 2.5 Tbps switching capacity · Forwarding rate up to 1.4 bpps · Line-rate traffic throughput (both Layer 2 and 3) on all ports · Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames) |
|
Physical dimensions |
3.39 x 17.40 x 23.70 in. (8.6 x 44.2 x 60.2 cm) |
|
Weight |
22.2 lb (10.1 kg) |
Product Details
The Cisco Nexus C31128PQ provides the following main benefits:
1. Wire-rate Layer 2 and 3 switching on all ports
(1) Layer 2 and 3 switching of up to 2.5 terabits per second (Tbps) and up to 1.4 Billion packets per second (bpps) is provided in a compact 2RU form-factor switch.
2. High availability
(1) Virtual PortChannel (vPC) technology provides Layer 2 multipathing through the elimination of Spanning Tree Protocol and enables fully utilized bisectional bandwidth and simplified Layer 2 logical topologies without the need to change the existing management and deployment models.
(2) The 64-way equal-cost multipath (ECMP) routing enables the use of Layer 3 fat-tree designs and allows organizations to prevent network bottlenecks, increase resiliency, and add capacity with little network disruption.
(3) Hot swappable power-supply units (PSUs) and fans.
3. High Performance
(1) The Cisco Nexus 31128PQ delivers low nominal latency, which enables customers to implement high-performance infrastructure for high-frequency trading (HFT) and high-performance computing (HPC) workloads.
4. Purpose-built Cisco NX-OS operating system with comprehensive, proven innovations
(1) PowerOn Auto Provisioning (POAP) enables touchless bootup and configuration of the switch, drastically reducing provisioning time.
(2) Cisco Embedded Event Manager (EEM) and Python scripting enable automation and remote operations in the data center.
(3) Advanced buffer monitoring reports real-time buffer utilization per port and per queue, which allows organizations to monitor traffic bursts and application traffic patterns.
(4) EtherAnalyzer is a built-in packet analyzer for monitoring and troubleshooting control-plane traffic and is based on the popular Wireshark open source network protocol analyzer.
(5) Precision Time Protocol (PTP; IEEE 1588) provides accurate clock synchronization and improved data correlation with network captures and system events.
(6) Complete Layer 3 unicast and multicast routing protocol suites are supported, including Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), Routing Information Protocol Version 2 (RIPv2), Protocol Independent Multicast sparse mode (PIM-SM), Source-Specific Multicast (SSM), and Multicast Source Discovery Protocol (MSDP).
The Accessories
Table 2 shows the supported accessories.
|
Model |
Description |
|
N9K-C9300-FAN3-B |
N9K Fan Module, Forward airflow (port side exhaust) |
|
N9K-C9300-FAN3 |
N9K Fan Module, Reversed airflow (port side intake) |
|
N9K-PAC-650W-B |
N9K 650W AC Power Supply, Forward airflow (port side exhaust) |
|
N9K-PAC-650W |
N9K 650W AC Power Supply, Reversed airflow (port side intake) |
|
UCSC-PSU-930WDC |
N9K 930W DC Power Supply, Forward airflow (port side intake) |
|
UCS-PSU-6332-DC |
N9K 930W DC Power Supply, Reversed airflow (port side exhaust) |
Compare to Similar Items
Table 3 shows the comparison.
|
Product Code |
N3K-C31128PQ-10GE |
N3K-C36180YC-R |
|
Ports |
· 8 QSFP+ ports · 96 SFP+ ports |
·48 SFP ports; each supports native 25, 10, or 1 Gigabit Ethernet mode ·6 QSFP28 ports; each supports native 100 Gigabit Ethernet and 4 x 25 Gigabit Ethernet modes |
|
Physical dimensions |
3.39 x 17.40 x 23.70 in. (8.6 x 44.2 x 60.2 cm) |
1.72 x 17.3 x 26.85 in. (4.4 x 43.9 x 68.2 cm) |
|
Weight |
22.2 lb (10.1 kg)
|
27.1 lb (12.3 kg) |
N3K-C31128PQ-10GE Specification |
||
|
Physical |
· 2RU fixed form-factor switch · 8 QSFP+ ports · 96 SFP+ ports · 2 redundant power supplies · 2 redundant (1+1) fans (2 rotors per fan) · Management, console, and 2 USB flash-memory ports |
|
|
Performance |
· 2.5 Tbps switching capacity · Forwarding rate up to 1.4 bpps · 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 |
Number of MAC addresses |
288,000 |
|
Number of VLANS |
4096 |
|
|
Number of spanning-tree instances |
· RSTP: 512 · MSTP: 64 |
|
|
Number of access control list (ACL) entries |
4000 ingress 1000 egress |
|
|
Routing table |
· 16,000 prefixes and 16,000 host entries · 8000 multicast routes |
|
|
Number of EtherChannels |
64 (with vPC) |
|
|
Number of ports per EtherChannel |
16 |
|
|
Buffer size |
12 MB shared |
|
|
Boot flash memory |
64 GB SSD |
|
|
Power |
Frequency |
50 to 60 Hz |
|
Power supply types |
· AC (forward and reversed airflow) · DC (forward and reversed airflow) |
|
|
Typical operating power |
148 watts (W) |
|
|
Maximum power |
413 watts (W) |
|
|
AC PSUs · Input voltage · Frequency · Efficiency |
· 100 to 240 VAC · 50 to 60 Hz · 89 to 91% at 220V |
|
|
DC PSUs · Input voltage · Maximum current (PSU output – System input) · Efficiency |
· -40 to -72 VDC · 78A · 85 to 88% |
|
|
Power-supply efficiency |
89 to 91% at 220V |
|
|
Typical heat dissipation |
505 BTU/hr |
|
|
Maximum heat dissipation |
1409 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); supported with AC and DC power supplies ◦ Reversed airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies); supported with AC power supply only · Redundant fans · Hot swappable (must swap within 1 minute) |
|
|
Sound |
Measured sound power (maximum) · Fan speed: 40% duty cycle · Fan speed: 70% duty cycle · Fan speed: 100% duty cycle |
· 66.1 dBA · 70.6 dBA · 76.9 dBA |
|
Environment |
Dimensions (height x width x depth) |
3.39 x 17.40 x 23.70 in. (8.6 x 44.2 x 60.2 cm) |
|
Weight |
22.2 lb (10.1 kg) |
|
|
Operating temperature |
32 to 122°F (0 to 50°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 |
0 to 10,000 ft (0 to 3000m) |
|
| Характеристики | |
| 12 MB shared | Boot flash memory |
| 16 | Buffer size |
| 288,000 | Number of VLANS |
| 4000 ingress1000 egress | Routing table |
| 4096 | Number of spanning-tree instances |
| 64 (with vPC) | Number of ports per EtherChannel |
| 64 GB SSD | Power |
| AC PSUs· Input voltage· Frequency· Efficiency | · 100 to 240 VAC· 50 to 60 Hz· 89 to 91% at 220V |
| Altitude | 0 to 10,000 ft (0 to 3000m) |
| Cooling | · Forward and reversed airflow schemes◦ Forward airflow: Port-side exhaust (air enters through fan tray and power supplies and exits through ports); supported with AC and DC power supplies◦ Reversed airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies); supported with AC power supply only· Redundant fans· Hot swappable (must swap within 1 minute) |
| DC PSUs· Input voltage· Maximum current (PSU output – System inp | · -40 to -72 VDC· 78A· 85 to 88% |
| Dimensions (height x width x depth) | 3.39 x 17.40 x 23.70 in. (8.6 x 44.2 x 60.2 cm) |
| Frequency | 50 to 60 Hz |
| Hardware tables and scalability | Number of MAC addresses |
| Maximum heat dissipation | 1409 BTU/hr |
| Maximum power | 413 watts (W) |
| Operating Relative Humidity | · 10 to 85% noncondensing· Up to 5 days at maximum (85%) humidity· Recommend ASHRAE data center environment |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Performance | · 2.5 Tbps switching capacity· Forwarding rate up to 1.4 bpps· Line-rate traffic throughput (both Layer 2 and 3) on all ports· Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames) |
| Physical | · 2RU fixed form-factor switch· 8 QSFP+ ports· 96 SFP+ ports· 2 redundant power supplies· 2 redundant (1+1) fans (2 rotors per fan)· Management, console, and 2 USB flash-memory ports |
| Power supply types | · AC (forward and reversed airflow)· DC (forward and reversed airflow) |
| Power-supply efficiency | 89 to 91% at 220V |
| Sound | Measured sound power (maximum)· Fan speed: 40% duty cycle· Fan speed: 70% duty cycle· Fan speed: 100% duty cycle |
| Storage relative humidity | 5 to 95% noncondensing |
| Storage temperature | -40 to 158°F (-40 to 70°C) |
| Typical heat dissipation | 505 BTU/hr |
| Typical operating power | 148 watts (W) |
| Weight | 22.2 lb (10.1 kg) |
| · 16,000 prefixes and 16,000 host entries· 8000 multicast routes | Number of EtherChannels |
| · 66.1 dBA· 70.6 dBA· 76.9 dBA | Environment |
| · RSTP: 512· MSTP: 64 | Number of access control list (ACL) entries |
Теги: N3K-C31128PQ-10GE Cisco