Cisco ASR 1000 Series Processor ASR1000-ESP20 Overview
Cisco ASR 1000 Series Processor ASR1000-ESP20 is a genuine modular capacity expansion product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco ASR 1000 Series family, the ASR1000-ESP20 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
This unit follows the original factory specification for the Cisco ASR 1000 Series family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include adding ports and performance to existing chassis systems, modernizing legacy platforms with compatible line cards, and mixing copper, fiber and high-speed uplinks in one chassis. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco ASR1000-ESP20 ASR1000 Embedded Services Processo，20G”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the ASR1000-ESP20. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise WAN
Branch and campus routing with advanced services.
Service Provider
Edge routing for ISP and MPLS deployments.
Data Center
Interconnect core and aggregation layers reliably.
Buying a Pre-Owned ASR1000-ESP20
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
| ASR1000-ESP20 | |
| Product list | |
| Product code | ASR1000-ESP20 |
| Power cable | No |
| Button | No |
| Product parameters | |
| Product Type | Service Module |
| Application | Data Networking |
| PoE (RJ-45) Port | Yes |
| Software compatibility | IOS XE Software Release 3.1.0S or later (minimum software release for 40-Mbps ESP) |
| Connectivity | Refer to ASR 1000 Series SIP data sheet for SPA support |
| Memory | 1-GB FP, 4-GB DRAM, 40-Mb TCAM, and 256-MB packet buffer memory |
| Introduction | The Cisco ASR1000-ESP20 Embedded Services Processor 20Gbps based on the innovative, industry-leading Cisco QuantumFlow Processor for next-generation forwarding and queuing in silicon. These modules use the first generation of the hardware and software architecture known as Cisco QuantumFlow Processor. |
| Physical specifications | |
| Width | 16.7 in |
| Height | 0.9 in |
| Depth | 14.2 in |
| Weight | 8.5 lbs |
ASR1000-ESP20 - Deployment Notes
This ASR1000-ESP20 router serves branch, edge, or WAN-aggregation roles depending on the interface mix and forwarding capacity of the specific SKU. Verify the interface types (GE, 10GE, SFP, WAN), memory, and module slots that this variant provides against your deployment topology.
When planning a refresh, confirm the software feature set (base, advanced, security) applicable to this SKU and the licensed throughput. Our team can confirm software state and hardware revision before dispatch.
Each ASR1000-ESP20 unit is inspected, tested and verified before leaving our facility, including interface operation, console access, and firmware state. Contact us for volume pricing and staged delivery options.
ASR1000-ESP20 - Deployment Notes
This ASR1000-ESP20 router serves branch, edge, or WAN-aggregation roles depending on the interface mix and forwarding capacity of the specific SKU. Verify the interface types (GE, 10GE, SFP, WAN), memory, and module slots that this variant provides against your deployment topology.
When planning a refresh, confirm the software feature set (base, advanced, security) applicable to this SKU and the licensed throughput. Our team can confirm software state and hardware revision before dispatch.
Each ASR1000-ESP20 unit is inspected, tested and verified before leaving our facility, including interface operation, console access, and firmware state. Contact us for volume pricing and staged delivery options.
ASR1000-ESP20 - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco module/line card expands the capability of a chassis platform, adding interface density, forwarding capacity, or service features. It is installed in a matching chassis slot and managed as part of the parent platform.
Deployment guidance: When planning this ASR1000-ESP20 unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: AIR-LAP1142N-E-K9, A9K-750W-AC, ASR1000-ESP40, A9K-2X100GE-TR, ASR1000-6TGE. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
