• Gray metal arista dcs-7500r3-36cq-lc server rack back with 36 black and silver 100g ports in rows line card module
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Arista

Arista DCS-7500R3K-36CQ-LC | 7500R3 36-Port 100G QSFP Line Card, Large Routes, 8GB

DCS-7500R3K-36CQ-LC

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Description

The Arista 7500R3K 36-port 100GbE QSFP100 line card is built for the 7500R3 modular data centre switch chassis (DCS-7504N, DCS-7508N and DCS-7512N). It suits large-scale layer 2 and layer 3 cloud data centres, overlay networks, enterprise data centres, internet peering, secure data centre interconnect, and carrier edge, core and VPN services that need large routing tables and deep buffers.

This Large Routes (7500R3K) variant provides 36 x 100G QSFP100 ports, or up to 72 x 50G, with 3.6 Tbps forwarding capacity and 2 Bpps wire-speed performance. An 8GB port buffer with Virtual Output Queues per port helps avoid head-of-line blocking. In the Balanced-XL profile it supports 96k ARP entries, 256k MAC addresses, 1850k IPv4 unicast routes (plus 2048k more with FlexRoute) and 512-way ECMP. Typical power draw is 442 W, with a 576 W maximum, excluding optics.

The QSFP ports accept 100G optics and cables including SR4, LR4, CWDM4, PSM4, AOC and CR4, as well as 40G QSFP+ optics and breakouts to 4x25G or 4x10G. The chassis needs a matching 7500R3 fabric module and a DCS-7500-SUP2 supervisor. The card has no licence of its own and runs under the chassis Arista EOS.

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

Features

- Large-route (7500R3K) line card with a deep 8GB packet buffer and Virtual Output Queues per port to avoid head-of-line blocking
- Algorithmic ACLs for IPv4 and IPv6 access control, policy-based forwarding and telemetry
- FlexRoute for extended IPv4 and IPv6 route scale
- Accelerated sFlow (RFC3176), LANZ microburst detection, Zero Touch Provisioning and IEEE 1588 PTP
- Runs Arista EOS, a single binary image across all Arista switches
- Hot-swappable components with N+N grid-redundant power, 1+1 supervisor, fabric and N+1 fan redundancy
- Front-to-rear airflow
- Open programmable APIs (JSON-RPC, NETCONF) and CloudVision support

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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specs-tabs

Technical Specifications

FAQs

Technical Specifications

- Ports: 36 x 100G QSFP100
- Maximum 10G ports: 96
- Maximum 25G ports: 96
- Maximum 40G ports: 36
- Maximum 50G ports: 72
- Maximum 100G ports: 36
- 400G: not supported
- Maximum total interfaces: 96
- Forwarding capacity: 3.6 Tbps
- Packet rate: 2 Bpps wire speed
- Port buffer: 8 GB
- Accelerated sFlow: Yes
- Balanced-XL ARP entries: 96k
- Balanced-XL MAC addresses: 256k
- Balanced-XL IPv4 unicast routes: 1850k
- Balanced-XL additional IPv4 routes with FlexRoute: +2048k
- Balanced-XL IPv6 unicast routes: 567-617k
- Balanced-XL multicast routes: 128k
- TCAM ACL entries per chip: 24k
- ECMP: 512-way
- Power, typical (maximum): 442 W (576 W), excluding optics
- Weight: 17.75 lbs (8.1 kg)
- Dimensions (W x H x D): 17.5 x 1.75 x 23 in (44.5 x 4.5 x 58.4 cm)
- 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 (10,000 ft)
- Chassis support: DCS-7512N, DCS-7508N, DCS-7504N

FAQs

Q: Does this line card need its own licence?
A: No. The line card has no licence of its own and the chassis runs Arista EOS. Optional Enhanced Software Licences for modular switches add OSPF, BGP, ISIS and PIM: LIC-MOD-1-E (4 slots), LIC-MOD-2-E (8 slots) and LIC-MOD-3-E (12 slots).

Q: Which chassis and supporting modules does it work with?
A: It fits the DCS-7504N, DCS-7508N and DCS-7512N chassis. These need the matching 7500R3 fabric modules (DCS-7504R3-FM, DCS-7508R3-FM or DCS-7512R3-FM) and a DCS-7500-SUP2 supervisor.

Q: What power does the line card draw?
A: Typical power is 442 W and maximum is 576 W, excluding optics. The chassis supplies power through 3000W PSUs: PWR-3KT-AC-RED, PWR-3KT-HV-RED or PWR-3K-DC-RED.

Q: Which optics and cables do the QSFP ports take?
A: The ports take 100G optics and cables including SR4, XSR4, SWDM4, SRBD, LR, LR4, LRL4, CWDM4, XCWDM4, FR, DR, PSM4, ERL4, AOC and CR4. They also take 40G QSFP+ optics and breakouts to 4x25G or 4x10G.

Q: How does this differ from other 7500R3 36-port line cards?
A: This is the Large Routes (7500R3K) variant with an 8GB port buffer. In the Balanced-XL profile it supports 1850k IPv4 unicast routes, with a further 2048k available through FlexRoute.

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