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Cisco ASR 9000 Series: A9K-1X100GE-TR – High-Performance Single-Port 100G Network Module
Jun 11 , 2025 14

Cisco ASR 9000 Series: A9K-1X100GE-TR – High-Performance Single-Port 100G Network Module


A9K-1X100GE-TR


Product Overview
The Cisco A9K-1X100GE-TR is a single-port 100 Gigabit Ethernet network module designed for the ASR 9000 series routers, providing reliable high-speed connectivity for service provider and enterprise networks. This compact module delivers carrier-class performance in a space-efficient form factor.

Key Features & Specifications

  • Port Configuration: 1x 100G QSFP28 interface

  • Forwarding Capacity: 100Gbps full duplex

  • Supported Protocols: IPv4/IPv6, MPLS, VPLS, L2VPN, L3VPN

  • Encryption: Optional MACsec support

  • Power Consumption: 45W (typical)

  • Latency: <5μs in cut-through mode

  • Compatibility: ASR 9901/9904/9906/9910/9912/9922 chassis

  • Hot-Swappable: Yes

Use Cases
✔ Mobile Backhaul: High-speed 5G transport
✔ Enterprise WAN: High-performance core connectivity
✔ Cloud Access: Reliable data center interconnect
✔ Video Distribution: High-bandwidth content delivery

Next-Generation Successor: A9K-1X400GE-SE

Evolutionary Improvements

FeatureA9K-1X100GE-TRA9K-1X400GE-SEImprovement
Port Speed100G400G4x capacity
Interface TechnologyQSFP28QSFP-DDFuture-ready
Power Efficiency45W60W33% better per Gbps
Latency<5μs<2μs60% lower
EncryptionSoftware MACsecHardware MACsec5x faster
Protocol SupportMPLS/VPLSAdds SRv6/EVPNCloud-ready

Strategic Advantages of Next-Gen Model

  1. 400G Readiness: Supports next-generation interface speeds

  2. Enhanced Security: Line-rate MACsec encryption

  3. Operational Efficiency: Lower power per bit

  4. Future-Proofing: Advanced protocol support

Migration Recommendations

  1. New Deployments: Consider A9K-1X400GE-SE for future scalability

  2. Existing Installations: Upgrade during hardware refresh cycles

  3. Critical Networks: Prioritize -SE for high-performance applications

Conclusion
While the A9K-1X100GE-TR remains a reliable solution for current 100G needs, the A9K-1X400GE-SE represents the next evolutionary step with:

  • 4x greater capacity

  • Advanced security features

  • Improved power efficiency

  • Cloud-native capabilities

Alternative Title Option
"Cisco's Single-Port Evolution: From 100G to 400G Networking"


Tags: linecard cisco A9K-1X100GE-TR

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