• Gray metal arista dcs-7800r3-48cqm2-lc server rack back side with multiple ports and ventilation slots for 100g line card
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Arista

Arista DCS-7800R3-48CQM2-LC | 7800R3 48-Port 100G QSFP Line Card, Enhanced MACsec, CPU

DCS-7800R3-48CQM2-LC

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Description

The 7800R3 48-port 100GbE QSFP line card is built for the Arista 7800R3 Series modular data centre switch routers. It carries an onboard CPU and Enhanced MACsec encryption on every port, which suits large-scale data centre spines, internet peering and edge roles, and secure data centre interconnect (DCI) with link-level encryption.

The card provides 48 QSFP100 ports and 8 GB of port buffer, with 4.8 Tbps of throughput (9.6 Tbps full duplex). Breakout allows up to 96 ports at 50G, 25G or 10G, and up to 48 ports at 40G using QSFP+ optics. Typical power draw is 511 W with a 696 W maximum, supplied by the host chassis. Encryption services are an EOS licensed feature, and optional per-chassis software licences for routing, virtualisation and monitoring features are ordered separately.

It installs in DCS-7816L, DCS-7816, DCS-7812, DCS-7808 and DCS-7804 chassis, alongside 7800R3 fabric modules and supervisor modules. The QSFP100 ports accept QSFP100, QSFP+ (40G) and breakout 25G/10G optics and cables.

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

Features

- Wire-speed 100GbE QSFP line card for the 7800R3 modular chassis
- MACsec (IEEE 802.1AE) encryption on all ports
- Fully scheduled lossless cell-spraying fabric with per-port Virtual Output Queuing
- Deep packet buffers for internet peering and DCI use
- FlexRoute technology for flexible resource allocation and internet-scale routing
- EVPN/VXLAN overlay support, MPLS/Segment Routing and IEEE 1588 PTP precision timing
- Runs Arista EOS with open programmable APIs, CloudVision, LANZ, ZTP and accelerated sFlow
- Hot-swappable modular design with redundant supervisors, fabric modules and power supplies at chassis level

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: 48x QSFP100
- Max 100G ports: 48
- Max 50G ports: 96
- Max 25G ports: 96
- Max 10G ports: 96
- Max 40G ports (using QSFP+): 48
- Max total interfaces: 96
- Throughput (FDX): 4.8 Tbps (9.6 Tbps)
- Encryption: MACsec on all ports (Enhanced MACsec)
- Port buffer: 8 GB
- ECMP: 512-way
- Typical (max) power: 511 W (696 W)
- Weight: 19 lbs (8.8 kg)
- Dimensions (W x H x D): 48.1 x 5.4 x 45.2 cm (18.9 x 2.1 x 17.8 in)
- Operating temperature: 0 to 40 C (32 to 104 F)
- Storage temperature: -40 to 70 C (-40 to 158 F)
- Relative humidity: 5 to 90%
- Operating altitude: 0 to 3,000 m (0 to 10,000 ft)
- Chassis support: DCS-7816L, DCS-7816, DCS-7812, DCS-7808, DCS-7804

FAQs

Q: Does this line card need a licence to use MACsec?
A: Encryption services are an EOS licensed feature and need a licence file. Optional per-chassis software licences such as LIC-MOD-x-E, -V, -V2, -Z and -FLX are ordered separately.

Q: Which chassis does it install in?
A: It fits Arista DCS-7816L, DCS-7816, DCS-7812, DCS-7808 and DCS-7804 chassis. The chassis also needs 7800R3 fabric modules (DCS-78xxR3-FM) and supervisor modules.

Q: What power does it draw?
A: Typical draw is 511 W and maximum is 696 W, excluding optics power. It is powered from the host chassis, which has dual-input, grid-redundant power supplies with redundancy up to N+N.

Q: Can the ports run at speeds below 100G?
A: Yes. The QSFP100 ports accept QSFP+ (40G) optics and breakout 25G, 50G and 10G optics and cables, for up to 96 breakout interfaces on the card.

Q: How does this card differ from other 48-port 100G 7800R3 cards?
A: This SKU includes an onboard CPU and Enhanced MACsec encryption on all 48 QSFP100 ports.

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