Cisco ASR1000-2T+20X1GE: High-Density Aggregation Router with 2x10G and 20x1G Connectivity

Product Overview

The Cisco ASR1000-2T+20X1GE is a fixed-configuration aggregation router combining high-speed 10G uplinks with dense 1G access ports in a compact form factor. Designed for service provider edge and enterprise WAN aggregation, this platform delivers carrier-class performance with operational simplicity.

Key Features & Specifications

Hardware Architecture

• Port Configuration:

• 2 x 10GBASE-X SFP+ uplink ports

• 20 x 10/100/1000BASE-T RJ-45 access ports

• Dedicated 1G management port

• Performance Capacity:

• 40Gbps switching capacity

• 30Mpps forwarding rate

• <10µs latency for time-sensitive traffic

• Physical Design:

• 1RU compact chassis

• Fanless operation for office environments

• -5°C to 45°C operating range

Software & Feature Support

• Cisco IOS XE Software:

• Full BGP/OSPF/IS-IS routing at wire speed

• Advanced QoS with hierarchical shaping

• MACsec encryption on all ports

• Deployment Scenarios:

• Service provider BRAS aggregation

• Enterprise SD-WAN edge

• Cloud gateway services

• 5G mobile backhaul termination

Reliability Features

✔ Dual power supply options (AC/DC)
✔ Hitless software upgrades
✔ Secure boot with hardware trust anchor
✔ Flow-based redundancy (NSF/SSO)

Next-Generation Successor: ASR1000-4T+40X2.5GE (Projected 2026 Release)

Evolutionary Improvements

Strategic Advantages

1. Multi-Gig Access - Supports 100M/1G/2.5G auto-negotiation

2. 25G Uplink Ready - Future-proof for 5G backhaul demands

3. Double Density - 40 ports in same 1RU footprint

4. AI-Optimized QoS - Machine learning for traffic classification

5. Modular Power - Field-upgradable to PoE++ (90W/port)

Migration Path

• Phased Deployment Options:

• 10G to 25G uplink migration

• 1G to 2.5G access port transition

• Financial Considerations:

• 40% better $/port economics

• ROI in 24 months through port consolidation

• Future-ready for 400G chassis integration

Conclusion

The ASR1000-2T+20X1GE provides cost-effective high-density aggregation, while the ASR1000-4T+40X2.5GE delivers:

• 25G uplink scalability

• Multi-Gig access flexibility

• AI-driven traffic management

• Twice the port density

• Carrier-class power efficiency

Alternative Title Concepts

1. "From 1G to Multi-Gig: The Aggregation Revolution"

2. "Double the Density, Half the Latency"

3. "The WiFi 6 Ready Aggregation Platform"

4. "Next-Gen Access & Uplink in One RU"