• Gray metal arista dcs-7500r3-24d-lc server rack back with multiple 400g qsfp-dd ports and ventilation slots
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Arista

Arista DCS-7500R3-24P-LC | 7500R3 Line Card, 24x 400G OSFP, 16GB Buffer

DCS-7500R3-24P-LC

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Description

The 7500R3 24-port 400G OSFP line card is built for the Arista 7500R3 modular chassis, giving universal spine, cloud-scale data centre and Internet-scale routing and peering designs a high-density 400G option. It also suits EVPN/VXLAN fabrics, service provider networks and IP storage designs.

The card provides 24 x 400G OSFP ports with 9.6 Tbps of switching capacity and a 4 Bpps forwarding rate. A 16GB port buffer supports deep-buffer designs, and breakout takes the card up to 96 x 100G, 192 x 50G, 192 x 25G or 192 x 10G ports. Up to 24 x 40G ports are also supported. This OSFP version is distinct from the 7500R3-24D, which uses QSFP-DD cages.

It fits the 7504R3, 7508R3 and 7512R3 chassis, which take 4, 8 or 12 line cards alongside two supervisors and six fabric modules. Each OSFP port supports 400G, 100G, 50G, 40G, 25G and 10G speeds with appropriate cables or transceivers, and the card runs Arista EOS.

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

Features

- Part of the third-generation 7500R universal spine family
- Backward and forward line card compatibility within the 7500R chassis family
- Deep-buffer virtual output queue architecture that avoids head-of-line blocking
- FlexRoute engine for Internet-scale routing tables
- Inband Network Telemetry and LANZ microburst detection
- Supports VXLAN, EVPN, Segment Routing, MPLS, MLAG and ECMP
- MACsec, uRPF, CoPP and AAA security features
- Every 400G port also supports 25G and 50G speeds

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.

View full details

specs-tabs

Technical Specifications

FAQs

Technical Specifications

- Ports: 24 x 400G OSFP
- Maximum 400G ports: 24
- Maximum 100G ports (breakout): 96
- Maximum 50G ports (breakout): 192
- Maximum 40G ports: 24
- Maximum 25G ports (breakout): 192
- Maximum 10G ports (breakout): 192
- Port buffer: 16GB
- Switching capacity: 9.6 Tbps
- Forwarding rate: 4 Bpps
- Algorithmic ACLs: Yes
- Accelerated sFlow: Yes
- Chassis airflow (7500R3 systems): Front to rear
- Chassis latency (7500R3 Series): 3.5 usec

FAQs

Q: Which chassis does this line card fit?
A: It fits the Arista 7500R3 chassis family: the 7504R3, 7508R3 and 7512R3, which take 4, 8 or 12 line cards respectively.

Q: What optics do the OSFP ports take?
A: The 24 OSFP cages take 400G OSFP optics and cables. Each port also supports 100G, 50G, 40G, 25G and 10G speeds with appropriate cables or transceivers.

Q: How does this differ from the 7500R3-24D line card?
A: This card uses 24 OSFP cages. The 7500R3-24D uses QSFP-DD cages, so the two take different optics and cabling.

Q: Does the line card need its own power supply?
A: No. The line card has no PSU or fan of its own and draws power and cooling from the 7500R3 chassis.

Q: What software does it run?
A: It runs Arista EOS, a single binary image shared across the 7500R3 platform.

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