• Cisco A9K-20HG-FLEX-FC ASR 9000 20x100GbE QSFP28 line card
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Cisco

Cisco A9K-20HG-FLEX-FC | ASR 9000 line card | 20x100GbE QSFP28 | 2 Tbps slot | License: Flexible Consumption | 5th Gen

A9K-20HG-FLEX-FC

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Description

5th Gen high-capacity line card for ASR 9000 systems delivering 20 x 100GbE via QSFP28 and up to 2 Tbps per slot. Flexible Consumption licensing enables staged activation of interfaces, aligning cost with capacity growth while simplifying lifecycle planning. Ideal for large-scale core, peering, and service-edge aggregation.

Features

- Ultra-high density 20x100G with up to 2 Tbps slot capacity
- Flexible Consumption licensing for incremental scaling
- Hot-swappable for service continuity
- Broad QSFP28 optic support from short-reach to long-haul
- Carrier-grade capabilities for large core and aggregation networks

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

- Port density: 20 x 100 Gigabit Ethernet
- Port type: QSFP28
- Per-port speed: 100GbE
- Slot capacity: up to 2 Tbps (chassis/fabric dependent)
- Generation: 5th Gen line card
- Licensing: Flexible Consumption (on-demand port activation)
- Role: Core, peering, large-scale aggregation and service edge
- Platform compatibility: ASR 9000 Series (requires compatible RSP/fabric and software)
- Optics support: QSFP28 SR4 (850 nm, MPO-12, up to 100 m OM4), LR4 (1310 nm, duplex LC, up to 10 km), CWDM4 (1310 nm, duplex LC, up to 2 km), PSM4 (1310 nm, MPO-12, up to 500 m), 100G DAC/AOC
- Hot-swappable: Yes
- Breakout: 4x25G support may be available depending on chassis/software release
- Features: IPv4/IPv6, L2/L3 services, MPLS, QoS, and Segment Routing availability depends on software release and licenses

FAQs

Q: What distinguishes this 5th Gen card from earlier generations?
A: It offers higher port density and slot bandwidth along with Flexible Consumption licensing, subject to chassis and fabric support.

Q: Is 2 Tbps always available?
A: Maximum usable bandwidth depends on the installed chassis, RSP, fabric modules, and software version.

Q: Can I activate ports in phases?
A: Yes. Flexible Consumption licensing allows staged activation to match deployment timelines.

Q: Which optics should I choose for campus vs. metro links?
A: Use SR4 or DAC/AOC for short intra-rack/row, and LR4 or CWDM4 for longer single-mode links per distance requirements.

Q: Is it compatible with existing ASR 9000 deployments?
A: Yes, provided your system meets the hardware and software prerequisites listed in the compatibility matrix.

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