Arista DCS-7170-32C-R | 7170 32-Port 100G QSFP28 Switch, Rear-to-Front, 2x AC

SKU:DCS-7170-32C-R

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Description

The Arista 7170 is a 1RU fixed-configuration, programmable data centre switch built for high-density 100GbE leaf or spine roles in large-scale cloud networks. Its programmable data plane lets operators reconfigure packet parsing, lookups, scheduling and monitoring for custom forwarding and telemetry, and it runs Arista EOS.

The front panel provides 32 x 40/100GbE QSFP100 ports plus 2 x SFP+ ports, with breakout to as many as 128 x 10/25GbE or 64 x 50GbE interfaces. Each QSFP port supports 100GbE, 40GbE, 4x10GbE, 4x25GbE or 2x50GbE with hitless speed change. Forwarding capacity reaches 6.4 Tbps and up to 2.4 Bpps, with latency from 800 ns and a 20 MB packet buffer. This SKU is the rear-to-front airflow model with 2 x 747W AC hot-swap power supplies in a 1+1 arrangement and four hot-swap fans. Typical power draw is 221 W, with a maximum of 490 W. It runs EOS under Feature License Group 2, with a minimum release of EOS 4.21.0F.

The QSFP ports accept 40G optics (SR4, LR4, ER4, AOC, CR4) and 100G optics (SR4, XSR4, SWDM4, SRBD, LR, LR4, CWDM4, PSM4, ERL4, AOC, CR4). The two SFP+ ports take 1G and 10G optics, DAC and AOC.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Flexible, programmable architecture for reconfiguring packet parsing, lookups, scheduling, modification and monitoring
- Each QSFP port supports 100GbE, 40GbE, 4x10GbE, 4x25GbE or 2x50GbE with hitless speed change
- Double the system pipeline capacity of the 7170-32CD for more advanced features and scalability
- 1+1 hot-swap platinum-efficiency power supplies and N+1 hot-swap fans
- 128-way ECMP and 64-way MLAG, with VXLAN routing, bridging and gateway
- CloudVision, Zero Touch Provisioning, LANZ microburst detection and DANZ advanced mirroring
- EOS with Linux shell access, Python, eAPI, OpenConfig and native KVM/QEMU support
- Tool-less rails for simple installation

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Ports: 32 x 40/100GbE QSFP100, 2 x SFP+
- Breakout: up to 128 x 10/25GbE or 64 x 50GbE
- Max 100GbE ports: 32
- Max 40GbE ports: 32
- Throughput: 6.4 Tbps
- Packet forwarding rate: up to 2.4 Bpps
- Latency: from 800 ns
- Packet buffer: 20 MB
- CPU: multi-core x86
- System memory: 16 GB (32 GB optional)
- Flash storage: 30 GB
- Management ports: 1 x 10/100/1000, 1 x RJ-45 RS-232 serial, 1 x USB
- Airflow: rear-to-front
- Power supplies: 2 x 747W AC hot-swap (PWR-747AC), 1+1 redundant
- PSU input: 100-240 VAC, 50/60 Hz, IEC 320-C13, 93% Platinum efficiency
- Fans: 4 hot-swap, N+1 redundant
- Power draw: 221 W typical, 490 W maximum
- Form factor: 1RU, 19 x 1.75 x 16 inches (48.3 x 4.4 x 40.64 cm)
- Weight: 22 lbs (10 kg)
- Operating temperature: 0 to 40 C (32 to 104 F)
- Operating altitude: 0 to 3,000 m (10,000 ft)
- Software: Arista EOS, Feature License Group 2, minimum EOS 4.21.0F

FAQs

Q: Which EOS licence does the 7170-32C use?
A: It runs Arista EOS under Feature License Group 2, with a minimum release of EOS 4.21.0F. Optional Group 2 licences include LIC-FIX-2-E for Enhanced L3, plus LIC-FIX-2-V, LIC-FIX-2-V2, LIC-FIX-2-Z and LIC-FIX-2-FLX-L.

Q: What power supplies does this SKU use?
A: It uses two PWR-747AC hot-swap AC supplies in a 1+1 redundant arrangement. They accept 100-240 VAC through IEC C13 connectors and are 93% Platinum efficient. Typical draw is 221 W and maximum is 490 W.

Q: Which optics and cables work in the ports?
A: The QSFP ports support 40G QSFP (SR4, LR4, ER4, AOC, CR4) and 100G QSFP (SR4, XSR4, SWDM4, SRBD, LR, LR4, CWDM4, PSM4, ERL4, AOC, CR4), plus 25G CR via breakout. The two SFP+ ports take 1G and 10G optics, DAC and AOC.

Q: How does the rear-to-front airflow SKU differ from other 7170-32C variants?
A: This SKU has rear-to-front airflow and two AC power supplies. The 7170 platform also offers reversible airflow, so check airflow direction against your rack's hot and cold aisle layout before ordering.

Q: How many high-speed ports can I get using breakout?
A: The 32 QSFP ports can break out to as many as 128 x 10/25GbE or 64 x 50GbE interfaces. The maximum counts are 32 x 100GbE, 32 x 40GbE and 130 x 10GbE.