• Cisco L-SL-19-SEC-K9 | Security (SEC) License for 1900 Series ISR | E-Delivery
1 1

Cisco L-SL-19-SEC-K9 | Security (SEC) License for 1900 Series ISR | E-Delivery

Cisco L-SL-19-SEC-K9 | Security (SEC) License for 1900 Series ISR | E-Delivery

Cisco L-SL-19-SEC-K9

$29.00 USD
$200.00 USD $29.00 USD
Sale Sold out
Secure payment methods accepted
VISA
PayPal
AMEX
Lifetime Warranty All licenses guaranteed
Instant E-Delivery Sent within same day
Secure Checkout SSL encrypted payment
100% Authentic Cisco Certified & verified
Questions? Our Cisco engineers reply within 24 hours
View full details

About This Product

About This Product

Buy Cisco L-SL-19-SEC-K9 | IOS Security Technology Package License for 1900 ISR G2 | E-Delivery

The L-SL-19-SEC-K9 is a Cisco IOS Security Technology Package License for the Cisco 1900 Series Integrated Services Routers (ISR G2) — the essential router security upgrade for branch offices and distributed enterprise networks. This Cisco security license unlocks the full Security (SEC) feature set with strong K9 encryption on Cisco 1921 and Cisco 1941 routers running the universalk9 Universal Image, transforming your ISR 1900 router into a complete secure edge device without any additional hardware.

Also referenced as SL-19-SEC-K9 or L-SL-19-SEC-K9=, this Cisco ISR G2 security technology package license is a perpetual, electronically delivered right-to-use (RTU) license. It activates IPsec VPN (site-to-site and remote access), SSL VPN with AnyConnect support, Cisco Zone-Based Policy Firewall with application-aware inspection, Cisco IOS Intrusion Prevention System (IPS) with deep-packet inspection, Cisco IOS Content Filtering, GETVPN, DMVPN, Easy VPN, and Flexible Packet Matching (FPM). Identity management is handled through integrated AAA services (RADIUS, TACACS+), PKI, and 802.1X Network Foundation Protection. Supports up to 225 encrypted tunnels and up to 85 Mbps encrypted throughput with hardware-based encryption acceleration on the Cisco 1921 platform.

✅ Key Features

  • • Enables Cisco IOS Security (SEC) feature set on Cisco 1900 Series ISR G2 routers
  • • Adds site-to-site IPSec VPN, remote-access SSL VPN, and DMVPN support
  • • Includes zone-based policy firewall (ZBPF) and intrusion prevention system (IPS)
  • • Strong K9 encryption — supports AES, 3DES, and SHA-2 cryptographic algorithms
  • • Perpetual Right-to-Use (RTU) license — one-time activation, no recurring fees
  • • E-Delivery PAK — license file delivered by email, activated via Cisco IOS CLI
  • • No additional hardware required — activates directly from universalk9 Universal Image

Compatible Platform

The L-SL-19-SEC-K9 is exclusively compatible with the Cisco 1900 Series ISR G2 platform. Supported models include Cisco 1921, Cisco 1941, Cisco 1941W (Mobile Wireless), Cisco 1941 Security Bundle, and Cisco 1941 SRE Bundle — all running Cisco IOS 15.x with the universalk9 Universal Image. Not compatible with Cisco 1905, 1800 Series, 2800 Series, 2900 Series, 3900 Series, or ISR 4000 Series routers.

Information Needed

To generate your license file, please send the output of show license udi from your Cisco 1900 ISR G2 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 router and the Security feature set is immediately active.

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: L-SL-19-SEC-K9  |  L-SL-19-SEC-K9=  |  SL-19-SEC-K9  |  CISCO1921/K9  |  CISCO1941/K9

Technical Specifications

BrandCisco
ModelL-SL-19-SEC-K9
License FeatureSecurity (SEC) License for 1900 Series ISR Routers
License TypePermanent Traditional License
CompatibilityCisco ISR 1921/k9 1941/k9Router
Delivery FormatE-Delivery by E-mail with LIC formation license
Lead TimeWithin 24 hours
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.

100% Authentic Cisco

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.

90-Day Comprehensive Warranty

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.

Professionally Refurbished

Fully disassembled, cleaned, and tested to meet original Cisco factory specifications.

DOA Replacement

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

Safe Packaging

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 router CLI to get the Unique Device Identifier. Send it to support@switchlicense.com after purchase.
2
Upload License File
Copy the .lic file we send you to router flash via TFTP or USB: 'copy tftp: flash:' or 'copy usbflash0: flash:'
3
Install License
In privileged EXEC mode, run: 'license install flash:your-license-file.lic' to activate the feature.
4
Verify & Reload
Run 'show license' to confirm activation status, then 'reload' the router to fully apply the license.

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

Chat on WhatsApp Send Email

Why Buy From SwitchLicense

Trusted by IT teams, MSPs, and enterprise procurement specialists across 30+ countries.

Cisco-certified engineers

Every license and device is verified by our in-house certified engineers before dispatch — not outsourced, not automated.

Lifetime warranty on licenses

Software licenses covered forever. If it stops working due to any defect, we replace it free of charge — no expiry, no exceptions.

Lifetime
Same-day license delivery

Send us your UDI after checkout and receive your verified .lic file the same business day.

Same day
DOA replacement first

Hardware arrives faulty? We ship a replacement unit to you immediately — before you return the original. No delays, no disputes.

Global shipping + customs support

Worldwide via FedEx, DHL, and UPS. Assisted customs clearance available for Vietnam, Thailand, Singapore, Malaysia, and Australia.

RFQ & bulk pricing

Dedicated support for enterprise procurement, volume orders, and formal quoting. Contact us for custom pricing.

Real customer stories

5.00 ★ (6)
Verified