ASR1001-X – 6x1GE + 2x10GE – 2.5-20Gbps License – ASR Router

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ASR1001-X Description

The ASR1001-X is a Cisco ASR 1000 Series 1RU Aggregation Services Router for enterprise WAN and internet edge sites that raise throughput by license. It has six 1GE SFP ports, two 10GE SFP+ ports, a 2.5 Gbps default ESP that a license lifts to 5, 10 or 20 Gbps, embedded crypto up to 8 Gbps and 8 GB of DRAM. One NIM slot takes T1/E1 or SSD NIMs, one half-height SPA bay takes SPAs, and the 10GE ports run at 10G only.

Quick Specs

Parameter

Specification

Product ID

ASR1001-X

Product type

Aggregation Services Router

Form factor

1RU

Built-in 1GE ports

6 x 1 GE SFP

Built-in 10GE ports

2 x 10 GE SFP+

ESP throughput

2.5 Gbps default; license upgrade to 5, 10, or 20 Gbps

Crypto throughput

Up to 8 Gbps

Route processor

Single integrated route processor

ESP

Nonmodular fixed ESP

SIP

Integrated SIP

Expansion slots

1 half-height SPA bay; 1 NIM slot

Maximum power consumption

250 W AC / 242 W DC

Minimum IOS XE release

Cisco IOS XE 3.12.0

Product Performance

Licensed Forwarding Ceiling
Crypto Processing
Compact ASR Edge Platform

Key Features

Licensed Throughput Steps

The integrated ESP ships at 2.5 Gbps and reaches 5, 10 or 20 Gbps through a software-activated license. Capacity grows without a chassis swap.

Six 1GE And Two 10GE Ports

The six 1GE ports accept SFP only, not SFP+. The two 10GE SFP+ ports run at 10G and cannot be reduced to 1G, which matters where upstream gear still uses 1G optics.

Integrated Route Processor And ESP

The route processor, ESP and SIP are built into the chassis and cannot be upgraded through separate cards. Dual IOS software redundancy is supported, ISSU is not.

NIM And SPA Expansion

One NIM slot takes T1/E1 and SSD NIMs, and one half-height SPA bay takes SPAs. That covers legacy serial or T1/E1 circuits alongside the Ethernet ports.

Embedded Crypto Engine

A dedicated security processor handles up to 8 Gbps of crypto throughput, a figure Cisco measures with 1400-byte packets.

Dual Hot-Swappable Power Supplies

Two AC or two DC supplies fit at the rear and can be replaced while the router runs, but AC and DC cannot be mixed. Maximum draw is 250W on AC and 242W on DC.

Application Scenarios

Enterprise WAN Edge

At an enterprise WAN edge, the router starts at its default 2.5 Gbps ESP and moves to 5, 10 or 20 Gbps by license as circuits grow, with the 10GE SFP+ ports facing the core and the 1GE SFP ports facing carrier handoffs.

Hub With Legacy T1/E1 Circuits

A regional hub that still terminates T1/E1 lines fits a T1/E1 NIM in the NIM bay, so legacy circuits and Ethernet uplinks share one 1RU chassis.

Encrypted Site-To-Site VPN Headend

A managed WAN provider terminating IPsec tunnels for customer sites uses the embedded crypto engine at up to 8 Gbps, with dual power supplies in the same chassis.

Product Comparison

Parameter

ASR1001-X

ASR1002-X

ASR1001-HX

Form factor

1RU

2RU

1RU

Built-in Gigabit Ethernet ports

6 Gigabit Ethernet SFP ports

6 Gigabit Ethernet SFP ports

8 Gigabit Ethernet SFP ports, plus optional 4 configurable 1GE/10GE ports

Built-in 10 Gigabit Ethernet port

2 SFP+ ports

Not applicable

4 SFP+ ports, plus optional 4 configurable 1GE/10GE ports

ESP bandwidth

2.5 to 20 Gbps

5 to 36 Gbps

60 Gbps

Embedded hardware-based encryption

Up to 8 Gbps

Up to 4 Gbps

Up to 16 Gbps

Shared port adapters

1 single-height SPA slot

3 SPA slots

Not applicable

Network interface module

Yes

No

No

Default memory

8-GB DRAM

4-GB DRAM

8-GB DRAM

Power consumption (maximum AC)

250W

560W

360W

ASR1001-X and ASR1001-HX share a 1RU chassis, but ASR1001-X caps ESP throughput at 20 Gbps (2.5 Gbps by default, raised by license) with 6 x 1GE SFP and 2 x 10GE SFP+, while ASR1001-HX reaches 60 Gbps with 8 x 1GE, 4 x 10GE and 4 configurable 1GE/10GE ports. ASR1001-X keeps a half-height SPA bay and a NIM slot for T1/E1 or SPA-based WAN interfaces, which ASR1001-HX does not list. ASR1002-X moves to 2RU and 5 to 36 Gbps, but with 6 x 1GE ports and 4 Gbps of crypto, below the 8 Gbps of ASR1001-X. Encrypted traffic up to 16 Gbps or more than two 10G ports points to ASR1001-HX.

Ordering Checklist

  • Throughput tier: Keep the default 2.5 Gbps, or add an upgrade license such as FLSA1-1X-2.5-5G, FLSA1-1X-2.5-10G or FLSA1-1X-2.5-20G. The ESP ships at 2.5 Gbps and is raised only by license.
  • Built-in 10GE ports: Add FLSA1-BIN-1X10GE(=) below the 20G tier. The built-in 10 GE ports are turned on by port-based licenses, and the 20G upgrade includes both.
  • Technology package: Add SLASR1-IPB, SLASR1-AIS or SLASR1-AES. ASR 1000 licenses are honor-based rather than enforced by an activation key, so a missing package is not flagged by the router.
  • Security services: Add FLSASR1-IPSEC for IPsec and FLSASR1-FW for firewall. These services need only an RTU license, which the VPN and SEC bundles already include.
  • NIM and SPA: Plan one NIM slot for NIM-SSD or T1/E1 NIMs such as NIM-1MFT-T1/E1, and one half-height SPA bay for SPAs such as SPA-2X1GE-V2. The NIM slot accepts only the T1/E1 and SSD NIM families.
  • Power supplies: Order two ASR1001-X-PWR-AC or two ASR1001-X-PWR-DC. AC and DC cannot be mixed in one chassis.

Optional Add-ons

Model

Description

ASR1001-X-PWR-AC

Cisco ASR1001-X AC power supply

ASR1001-X-PWR-DC

Cisco ASR1001-X DC power supply

ASR1001X-ACS

Cisco ASR1001-X accessory kit

ASR1001X MEM OPT

Cisco ASR1001-X route processor memory option

ASR1001X SSD

Cisco ASR1001-X solid-state drive option

SPA-1X10GE-L-V2

Cisco 1-port 10GE LAN-PHY half-height SPA

NIM-1MFT-T1/E1

1-port multiflex trunk voice/WAN interface module for T1/E1

NIM-2MFT-T1/E1

2-port multiflex trunk voice/WAN interface module for T1/E1

NIM-4MFT-T1/E1

4-port multiflex trunk voice/WAN interface module for T1/E1

NIM-8MFT-T1/E1

8-port multiflex trunk voice/WAN interface module for T1/E1

NIM-1CE1T1-PRI

1-port channelized T1/E1 and PRI network interface module

NIM-2CE1T1-PRI

2-port channelized T1/E1 and PRI network interface module

MEMUSB-1024FT

1 GB USB flash token for Cisco ASR 1000 Series

Specifications

Parameter Specification Parameter Specification
Product ID ASR1001-X Product type Aggregation Services Router
Rack units 1RU Built-in 1GE ports 6 x 1 GE SFP
Built-in 10GE ports 2 x 10 GE SFP+ ESP throughput 2.5 Gbps default; upgradeable to 5, 10, or 20 Gbps by software license
Crypto throughput Up to 8 Gbps Route processor Single integrated route processor
ESP Nonmodular fixed ESP SIP Integrated SIP
Expansion slots 1 half-height SPA bay; 1 NIM slot Route processor memory 8 GB default; 16 GB maximum
ESP memory 4 GB DRAM Embedded flash 8 GB eUSB flash
USB port 2 USB 2.0 ports Management port 1 x 10/100/1000 Ethernet management port
Console port RJ-45 console and mini USB console Power supplies Dual AC or dual DC; AC and DC cannot be mixed
Maximum power consumption 250 W AC / 242 W DC Dimensions 1.71 x 17.3 x 22.50 in.
Weight 25 lb fully loaded Operating temperature 0 to 40 C nominal; 0 to 50 C short-term
Operating humidity 10 to 90% nominal; 5 to 90% short-term Storage temperature -20 to +70 C
Minimum IOS XE release Cisco IOS XE 3.12.0 Cisco ordering description Cisco ASR 1001-X System, Crypto, 6 built-in GE, Dual P/S
Performance license range 2.5, 5, 10, or 20 Gbps

Quality Certifications

Customer Reviews

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    Stephen Martinez
    Posted on 21/04/2026
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    Quality is consistent across all units we’ve ordered.

    Steven Mason
    Posted on 21/03/2026
    Verified Buyer
    4.0

    They ship with proper insurance, which our procurement requires. Shipping took a couple extra days, but product itself is perfect.

    Albert Rivera
    Posted on 02/01/2026
    Verified Buyer
    5.0

    Our cost per unit went down significantly compared to direct purchases.

Questions & Answers

  • What throughput does ASR1001-X reach, and under what condition?

    ASR1001-X ships with a 2.5 Gbps ESP that a software license raises to 5, 10 or 20 Gbps. Embedded crypto reaches up to 8 Gbps, a figure Cisco measures with 1400-byte packets.
  • Which license does ASR1001-X need to run?

    ASR1001-X needs one technology package: SLASR1-IPB, SLASR1-AIS or SLASR1-AES. The ESP stays at 2.5 Gbps until an upgrade such as FLSA1-1X-2.5-5G, FLSA1-1X-2.5-10G or FLSA1-1X-2.5-20G is added. ASR 1000 licenses are honor-based, so the router does not flag a missing package.
  • Which license raises ASR1001-X from 5 Gbps to 20 Gbps?

    FLSA1-1X-5-20G raises ASR1001-X from the 5 Gbps ESP tier to 20 Gbps. The ordering guide lists the other steps as FLSA1-1X-5-10G and FLSA1-1X-10-20G. Each upgrade license comes as a paper PAK with the "=" suffix and as an L- e-delivery PAK.
  • Which license does ASR1001-X need for dual IOS software redundancy?

    ASR1001-X needs FLSASR1-IOSRED, or L-FLSASR1-IOSRED= for e-delivery, to run software redundancy, per the ASR 1000 ordering guide. The inbox redundancy type is software without ISSU, and the minimum memory for redundancy is 8 GB.
  • Which bundle PIDs include ASR1001-X with ESP, route processor and software?

    The base bundles are ASR1001X-2.5G-K9, ASR1001X-5G-K9, ASR1001X-10G-K9 and ASR1001X-20G-K9, each with 6 built-in GE ports, ESP, route processor and the consolidated package. The -VPN and -SEC variants add the FLASR1-AES technology package plus IPsec, and firewall for -SEC. The 20G bundles include the 2 x 10G ports.
  • Which SPAs fit the half-height SPA bay of ASR1001-X?

    The half-height bay of ASR1001-X takes SPAs such as SPA-1X10GE-L-V2, SPA-2X1GE-V2, SPA-5X1GE-V2, SPA-8X1GE-V2, SPA-2XT3/E3, SPA-8XCHT1/E1 and SPA-2XOC3-POS. The ASR1001-X hardware installation guide lists further half-height SPAs beyond these examples, so check the full list before planning a WAN interface.
  • Which SSD drives work in the NIM-SSD carrier of ASR1001-X?

    The NIM-SSD carrier in the NIM slot of ASR1001-X takes SSD-SATA-200G or SSD-SATA-400G drives, per the ASR1001-X hardware installation guide. The NIM slot accepts only the T1/E1 NIM family and this SSD NIM assembly.
  • Which bundles pair ASR1001-X with vWAAS?

    The AX bundles ASR1001X-AES-AX and ASR1001X-AIS-AX pair ASR1001-X with vWAAS. Each contains ASR1001-X, the SLASR1-AES or SLASR1-AIS technology package respectively, and the FLSASR1-AVC license, per the ASR 1000 ordering guide. Ordering a bundle replaces three separate line items for the chassis, the package and the AVC license.

Warranty

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DataSheet Downloads

  • ASR1001-X Datasheet