• Cisco L-FLSA1-2X-IPS4G ASR 1002-X 4G IPSec crypto bandwidth license
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Cisco L-FLSA1-2X-IPS4G ASR 1002-X 4G IPSec Crypto License E-Delivery

Cisco L-FLSA1-2X-IPS4G ASR 1002-X 4G IPSec Crypto License E-Delivery

Cisco L-FLSA1-2X-IPS4G

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About This Product

About This Product

Buy Cisco L-FLSA1-2X-IPS4G | ASR 1002-X IPsec Crypto Throughput Upgrade License (1.8 Gbps to 4 Gbps) | E-Delivery

This license on sale are available exclusively Traditional License.

The L-FLSA1-2X-IPS4G is the Cisco ASR 1002-X IPsec Crypto Throughput Upgrade License — the essential bandwidth upgrade for IPsec VPN on the Cisco ASR 1002-X Aggregation Services Router. This Cisco ASR 1002-X 4G IPsec license boosts the router's IPsec crypto throughput from the default 1.8 Gbps to 4 Gbps (measured with 1400-byte IMIX packets), more than doubling encrypted VPN capacity. The ASR 1002-X IPsec throughput license works alongside the base FLASR1-IPSEC-RTU feature license to deliver hardware-accelerated AES-128, AES-256, and 3DES encryption for high-performance site-to-site VPN, DMVPN, and Easy VPN deployments.

Also referenced as FLSA1-2X-IPS4G, FLSA1-2X-IPS4G=, or L-FLSA1-2X-IPS4G=, this Cisco ASR 1002-X 4 Gbps IPsec e-delivery license is a perpetual, software-activated license that increases the dedicated IPsec crypto bandwidth from 1.8 Gbps to 4 Gbps. The ASR 1002-X features a more powerful ESP than the ASR 1001-X and supports a two-tier crypto throughput licensing model — the FLSA1-2X-IPS4G is the entry-level upgrade from the default 1.8 Gbps to 4 Gbps, and for higher crypto requirements, the FLSA1-2X-20-36G license unlocks up to 20-36 Gbps of IPsec throughput. Key capabilities include: hardware-accelerated AES-128 and AES-256 encryption, 3DES for legacy compatibility, DMVPN for scalable hub-and-spoke and spoke-to-spoke topologies, Easy VPN for simplified remote access, and full IKEv1/IKEv2 key management support. Note that this license requires the base FLASR1-IPSEC-RTU feature license to be installed first — the throughput upgrade extends the crypto bandwidth ceiling but does not enable the IPsec feature itself.

✅ Key Features

  • • More than doubles IPsec throughput — upgrades ASR 1002-X crypto bandwidth from default 1.8 Gbps to 4 Gbps
  • • Hardware-accelerated crypto — AES-128, AES-256, and 3DES encryption engines running at full 4 Gbps wire-rate
  • • Entry-level crypto upgrade — cost-effective first step in the ASR 1002-X crypto hierarchy: 1.8G → 4G (FLSA1-2X-IPS4G) → 20-36G (FLSA1-2X-20-36G)
  • • DMVPN and Easy VPN ready — full support for Dynamic Multipoint VPN and simplified remote access VPN deployment
  • • Software-only upgrade — no hardware swap, no ESP replacement, no downtime beyond a simple reload
  • • Flexible crypto path — further upgrade to 20-36 Gbps (FLSA1-2X-20-36G) as VPN demands grow
  • • Perpetual license — one-time purchase with no recurring subscription or annual renewal fee

Compatible Platform

The FLSA1-2X-IPS4G IPsec crypto throughput license is exclusively compatible with the Cisco ASR 1002-X router. Requires the base FLASR1-IPSEC-RTU feature license and a technology package (SLASR1-IPB, SLASR1-AIS, or SLASR1-AES). For higher crypto throughput, the FLSA1-2X-20-36G unlocks 20-36 Gbps of IPsec bandwidth on the same platform. Not compatible with the ASR 1001-X — for that platform, IPsec throughput is determined by the ESP and throughput upgrade licenses (FLSA1-1X-2.5-5G etc.) rather than a dedicated crypto throughput license.

Information Needed

To generate your license file, please send the output of show license udi from your Cisco ASR 1002-X router to support@switchlicense.com, or leave a message online after placing your order. The license file is tied to your specific device UDI and cannot be transferred to another unit.

License Delivery

This Cisco software license is delivered electronically. Once your device UDI is confirmed, we will send you the .lic license file by email. No physical shipment is required — simply install the file on your ASR 1002-X and the 4 Gbps IPsec crypto throughput is immediately active after reload.

Warranty

We provide a 100% working warranty on all licenses. If the license file does not activate correctly on your device, we will resolve the issue at no additional cost. All payments are processed securely via PayPal for your peace of mind.

Part Numbers: FLSA1-2X-IPS4G  |  L-FLSA1-2X-IPS4G  |  FLSA1-2X-IPS4G=  |  L-FLSA1-2X-IPS4G=

Technical Specifications

BrandCisco
ModelL-FLSA1-2X-IPS4G
License FeatureASR 1002-X 4G IPSec Crypto License E-Delivery
License TypeTraditional License Permanent
CompatibilityCisco AR 1000 Series ASR1002-X Router
Delivery FormatE-Delivery Lic license file by E-mail
Lead TimeWithin 24 hours by e-mail after device information received
WarrantyOriginal from Cisco ,100% Guaranteed Functional

How You'll Receive Your Order

Place Your Order
Complete checkout securely. PayPal, Visa, Mastercard & Amex accepted.
Send Device Info
Email your device S/N or UDI so we can bind the license correctly.
We Process & Verify
Our Cisco-certified engineers prepare and verify your license file.
Receive & Deploy
License file delivered to your email. Install and activate immediately.

Important: Please send your device Serial Number (S/N) or UDI to support@switchlicense.com after placing your order. This is required to bind the license to your specific device.

Same Business DayAverage delivery after info received
Delivered by EmailLicense file sent directly to your inbox
Place Your Order
Complete checkout securely. PayPal, Visa, Mastercard & Amex accepted.
Quality Inspection
Unit is tested, cleaned and packed by our engineers. Ready in 1–2 business days.
Shipped Worldwide
Dispatched via FedEx / DHL / UPS with full tracking provided.
Delivered to You
Arrives in 3–7 business days. 90-day warranty starts from delivery date.

Shipping carriers: We ship via FedEx, DHL, and UPS depending on your region. A tracking number will be emailed to you once your order is dispatched. Questions? Contact us at support@switchlicense.com

1–2 Days ProcessingInspection & packing before dispatch
3–7 Business DaysWorldwide via FedEx / DHL / UPS

Warranty & Quality Guarantee

Lifetime Warranty — No Expiry, No Exceptions

Every software license we sell is 100% genuine Cisco original, sourced from authorized channels. Your license is permanently activated and fully transferable. If it ever stops working due to a product defect, we replace it for free — for life. No questions asked.

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Never cloned or modified. Every license comes with proof of authenticity and original activation records.

Fully Activated & Ready

Pre-verified and activated before dispatch. Deploy immediately with zero setup friction.

Full Documentation

License keys, activation codes, and all relevant documentation included with every order.

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All pre-owned Cisco hardware is professionally inspected, cleaned, and stress-tested by our Cisco-certified engineers. We guarantee full functionality for 90 days from delivery. If the unit fails within this period, we will repair or replace it at no cost to you.

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Dead on arrival? We ship a replacement unit immediately with priority shipping — no delays.

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Anti-static wrap, custom foam inserts, and secure outer boxing prevent transit damage.

All products are individually inspected and verified by our Cisco-certified engineers before dispatch. Questions? Our team responds within 24 hours via WhatsApp or email.

Information Required from Buyer
Action Required After Purchase — Please Read Before Ordering

Cisco licenses are device-specific — each license must be bound to a unique device identifier before it can be activated. To process your order, we require the following information from your device after purchase.

1
Find Your UDI or S/N Run show license udi or show version on your device CLI to locate the Unique Device Identifier.
2
Complete Your Purchase Place your order as normal. No device info is needed at checkout — you'll send it to us after payment.
3
Email Us Your Device Info Send your UDI or Serial Number (S/N) to us via email or WhatsApp. We'll generate your license file right away.

Send your device info to support@switchlicense.com or via WhatsApp — we'll deliver your license within 24 hours on business days.

License Activation Steps

1
Find Your UDI
Run 'show license udi' on your ASR1000 to get the device UDI. Email it to support@switchlicense.com after purchase.
2
Upload License File
Copy the .lic file to bootflash: 'copy tftp: bootflash:' or 'copy scp: bootflash:' depending on your network setup.
3
Install License
In privileged EXEC mode, run: 'license install bootflash:filename.lic' to activate the license on the ASR1000.
4
Verify Activation
Run 'show license detail' and 'show version' to confirm the feature is licensed. No reload typically required.

Frequently Asked Questions

1 Is this license genuine and legally transferable?
This is a 100% genuine Cisco license, originally issued to an enterprise organization that has since upgraded or replaced their infrastructure. The license comes from decommissioned equipment and has never been activated — making it completely clean and ready to bind to your device. It is fully legitimate and legally transferable under Cisco's licensing policy.
2 How will I receive the license after payment?
After completing your purchase, simply email your device's UDI (Unique Device Identifier) or Serial Number to support@switchlicense.com. Once we receive your device information, your license file will be generated, verified by our Cisco-certified engineers, and delivered to your inbox within 24 hours on business days. You'll receive a .lic file along with installation instructions.
3 Can the license be transferred to a different device in the future?
Yes, the license can be transferred to another device if needed. The transfer process is managed through Cisco's license LRP. If you need assistance with the transfer process, our team is happy to guide you through every step.

Need Bulk Pricing or Technical Support?

Our Cisco-certified engineers are ready to help — support@switchlicense.com

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