Arista DCS-7170-64C-R | 7170 64-Port 100G QSFP100 Switch, Rear-to-Front, AC

SKU:DCS-7170-64C-R

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Description

The Arista 7170 Series is a fixed-configuration, programmable 2RU data centre switch built for dense 100GbE leaf or spine deployments in cloud and large-scale data centres. It suits environments that need programmable packet processing, advanced telemetry and software-defined cloud networking, and it runs Arista EOS with Linux shell access.

This DCS-7170-64C-R model provides 64 x QSFP100 ports (40/100GbE) plus 2 x SFP+ ports, with up to 12.8 Tbps of throughput, up to 4.8 Bpps and latency from 800 ns. A 22 MB packet buffer is fitted. Breakout supports up to 128 x 50GbE or 256 x 25GbE/10GbE. This variant uses rear-to-front airflow with 2 x AC hot-swap power supplies in a 1+1 redundant arrangement, with typical and maximum power draw of 271 W and 571 W.

It falls under EOS Feature License Group 3, with optional add-on licences such as LIC-FIX-3-E for enhanced Layer 3 routing and LIC-FIX-3-V for VXLAN. Supported optics include 100GBASE-SR4, LR4, CWDM4, PSM4, AOC and CR4 DAC, along with 40G QSFP optics and SFP+ 1G/10G optics. Minimum EOS is 4.20.5FX.

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

Features

- Programmable architecture allowing reconfiguration of packet parsing, lookups, traffic scheduling, packet modification and monitoring
- Flexible 10G to 100G support on all ports with hitless mode changes
- Under 5 W per port typical, with over 93% efficient power supplies
- 1+1 redundant hot-swappable power supplies and N+1 redundant hot-swappable fans
- Single-binary Arista EOS with Linux shell access and extensibility via bash, Python, C++, Go and OpenConfig
- CloudVision, Zero Touch Provisioning, LANZ microburst detection and DANZ advanced mirroring
- Advanced telemetry with packet traces and user-defined triggers
- Tool-less rails for simplified rack 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: 64 x QSFP100 (40/100GbE) + 2 x SFP+
- Max 100GbE ports: 64
- Max 50GbE ports: 128
- Max 40GbE ports: 64
- Max 25GbE ports: 256
- Max 10GbE ports: 258
- Throughput: 12.8 Tbps
- Packets per second: up to 4.8 Bpps
- Latency: from 800 ns
- Packet buffer memory: 22 MB
- CPU: Multi-core x86
- System memory: 16 GB (64 GB optional)
- Flash storage: 30 GB
- SSD storage option: 120 GB
- Management ports: 1 x 10/100/1000, 1 x RS-232 serial (RJ-45), 1 x USB
- Power supplies: 2 x hot-swap AC (1+1 redundant)
- Fans: 4 x hot-swappable (N+1 redundant)
- Airflow: rear-to-front
- Typical/max power draw: 271 W / 571 W
- Form factor: 2RU
- Dimensions (W x H x D): 48.3 x 8.8 x 45.7 cm
- Weight: 15.6 kg
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.20.5FX

FAQs

Q: Which EOS licence group does this switch fall under?
A: It runs Arista EOS and falls under EOS Feature License Group 3. Optional add-on licences include LIC-FIX-3-E for enhanced Layer 3 (BGP, OSPF, ISIS, PIM, NAT) and LIC-FIX-3-V for VMTracer and VXLAN.

Q: Which power supplies does it use?
A: It uses hot-swap AC power supplies in a 1+1 redundant arrangement, and is compatible with PWR-747AC (100-240VAC) and PWR-745AC. The PWR-1900DC (40-72 VDC) option is also compatible.

Q: Which optics and cables does it support?
A: It supports 100GBASE-SR4, XSR4, SWDM4, SRBD, LR, LR4, CWDM4, PSM4, ERL4, AOC and CR4 DAC, plus 40G QSFP optics, 4x10G and 4x25G breakouts, and SFP+ 1G/10G optics and cables.

Q: How does this model differ from other 7170-64C variants?
A: DCS-7170-64C-R is the rear-to-front airflow model with 2 x AC power supplies. The 7170-64C platform also offers a reversible airflow option, so check the airflow direction against your rack layout.

Q: What is the minimum EOS version required?
A: The minimum supported EOS release is 4.20.5FX.