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Cisco ASR 9000 Series: A9K-36X10GE-TR – High-Density 10G Ethernet Module
Jun 11 , 2025 14

Cisco ASR 9000 Series: A9K-36X10GE-TR – High-Density 10G Ethernet Module


A9K-36X10GE-TR


Product Overview
The Cisco A9K-36X10GE-TR is a high-density 36-port 10 Gigabit Ethernet module designed for the ASR 9000 series routers. This 1RU module provides exceptional port density for service provider aggregation and enterprise core networking applications.

Key Features & Specifications

  • Port Configuration: 36x 10G SFP+ interfaces

  • Forwarding Capacity: 360Gbps full duplex

  • Protocol Support: IPv4/IPv6, MPLS, VPLS, L2VPN, L3VPN

  • Encryption: Optional MACsec (software-based)

  • Power Consumption: 180W (typical)

  • Latency: <10μs in cut-through mode

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

  • Hot-Swappable: Yes

Use Cases
Service Provider Edge: High-density subscriber aggregation
Mobile Backhaul: 4G/5G cell site termination
Enterprise Core: Campus network backbone
Video Distribution: IPTV and multicast streaming


Next-Generation Successor: A9K-36X25GE-SE

Evolutionary Improvements

FeatureA9K-36X10GE-TRA9K-36X25GE-SEImprovement
Port Speed10G25G2.5x capacity
Interface TechnologySFP+SFP28Future-ready
Power Efficiency5W/port3.8W/port24% better
Latency<10μs<5μs50% lower
EncryptionSoftware-basedHardware MACsec8x faster
Buffer Memory64MB128MB2x capacity

Strategic Advantages of Next-Gen Model

  1. 25G Readiness: Supports next-generation interface speeds

  2. Enhanced Performance: Lower latency and higher throughput

  3. Operational Efficiency: Improved power per port

  4. Advanced Security: Hardware-accelerated encryption

Migration Recommendations

  1. New Deployments: Standardize on A9K-36X25GE-SE for future needs

  2. Existing Installations: Plan upgrade during hardware refresh cycles

  3. Performance-Sensitive Apps: Prioritize -SE for latency-critical traffic

Conclusion
The A9K-36X10GE-TR continues to serve as a reliable high-density 10G solution, while the A9K-36X25GE-SE delivers:

  • 2.5x greater port capacity

  • Hardware-based security

  • Significant latency improvements

  • Better power efficiency

Alternative Title Option
"Cisco's High-Density Ethernet Evolution: From 10G to 25G Port Modules"


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