Cisco

Cisco NC57-48Q2D-BM | 32x25G + 16x50G line card, 2x400G uplinks; MACsec Base tier

SKU:NC57-48Q2D-BM

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Description

High-density modular line card delivering a flexible mix of 25G/50G client ports with dual 400G uplinks, designed for scalable aggregation and core deployments. Base MACsec provides hardware encryption for standard-scale secure transport across supported interfaces.

Features

- Flexible 25G/50G access with 2x400G backbone uplinks
- Hardware-based MACsec for low-latency secure links
- High port density for space-efficient aggregation
- Future-ready QSFP28/QSFP56 and QSFP-DD optics ecosystem
- Designed for carrier-grade NCS 5700 routing platforms

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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FAQs

Technical Specifications

FAQs

Q: What is the difference between MACsec Base and Scale?
A: Base supports standard-scale encrypted sessions/keys, while Scale increases the number of concurrent MACsec flows and keys supported.

Q: Which optics are supported on the 400G ports?
A: QSFP-DD 400G optics following platform-qualified transceiver lists (e.g., DR4, FR4, LR4 as supported).

Q: Can 25G/50G ports be broken out?
A: Breakout is platform- and optic-dependent; consult the chassis line-card compatibility matrix for supported breakout profiles.

Q: What software is required?
A: An IOS XR release that supports this line card and MACsec Base features; verify minimum versions in the platform release notes.

Technical Specifications

- Port mix: 32 x 25GbE + 16 x 50GbE
- Uplinks: 2 x 400GbE
- License tier: MACsec Base
- 25/50G media: QSFP28/QSFP56 (as supported)
- 400G media: QSFP-DD
- Encryption: IEEE 802.1AE MACsec (Base scale)
- Platform OS: IOS XR (platform-dependent)
- Target roles: aggregation/edge/core with secure trunks
- Breakout support: subject to optics and platform capabilities
- Chassis compatibility: NCS 5700-series line-card slots

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