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Cisco 2911ISR 3x GbE Integrated Services Router Wired Enterprise

Excellent Grade · Fully tested · No visible marks
SKU: 43945
4.76
★★★★★
708 reviews
12mo
Warranty
30day
Free returns
40+
Tech-tested checks
✓ Fast AU shipping ✓ Pickup: Springvale VIC
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$29.00 $55.00

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  • Refurbished - 1yr Warranty - Reboot IT

    1yr Warranty

    $50.00 $75.00

Perks you get with every purchase

Warranty
If your item experiences a technical issue, we've got you covered—we'll either repair it or replace it for you!

30 days to change your mind
Feel free to return your item for any reason within the first 30 days of receiving it. It's that easy!

Free express shipping
Enjoy fast, free express shipping on all small items like laptops, tablets, and smartphones!

Customer support
Rest assured, we’ll always respond to you within 1 business day!

Frequently asked questions

What does the warranty cover?

Our warranty covers all hardware faults, but please note it doesn’t cover accidental damage or software issues. However, we’re here to help with technical support for those matters!

What is a refurbished device?

A refurbished device is a pre-owned item that has been restored to meet high-quality standards. At Reboot IT, we adhere to strict quality guidelines, ensuring that our refurbished products are not the same as used or secondhand items. We meticulously clean, test, and assess each device, replacing worn parts with high-quality components.

Unlike used items, which lack guarantees and rely solely on the seller's word regarding condition, refurbished devices come with assurance of quality and reliability.

What payment options are available?

We offer a variety of payment options to make your shopping experience as convenient as possible! You can pay using all major credit cards, Apple Pay, Google Pay, Shop Pay, Afterpay, Zip Pay, and PayPal. If you prefer, we also accept bank deposits and even cash for in-store purchases!

Safe & Secure

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

We ensure secure processing of your payment information and do not retain or have access to your credit card details.

Description

Cisco 2911/K9 — ISR G2 Compact Branch Router

The Cisco 2911/K9 is a second-generation Integrated Services Router with 3 Gigabit Ethernet ports, 3 EHWIC expansion slots, 256 MB Flash, and 512 MB DRAM. Backed by a 12-month warranty from Reboot IT, it delivers enterprise routing, VPN, and firewall capabilities for small-to-medium branch offices.

Key Benefits

  • 3x Gigabit Ethernet Ports: Multi-WAN and LAN routing in a single device for small branch offices without extra switches
  • 3 EHWIC Expansion Slots: Modular expansion with voice DSP, DSL WAN, 4G LTE, and additional GbE interface cards
  • K9 Security Bundle: Hardware-accelerated IPSec encryption for site-to-site and remote-access VPN without performance overhead
  • Cisco IOS 15.x: Full enterprise routing — OSPF, EIGRP, BGP, QoS, zone-based firewall, and DMVPN
  • 1U Rack-Mount Form Factor: Compact chassis suited to sites with limited rack space or shallow cabinets
  • 12-Month Warranty: Tested, verified, and reset to factory defaults by Reboot IT's Melbourne-based team

Performance in Use

The Cisco 2911/K9 is the entry point of the three-GbE ISR G2 family — positioned below the 2921, it handles the core routing, firewall, and VPN requirements of a small branch office in a single compact device. This eliminates the need for separate router, firewall, and VPN appliances at smaller sites, simplifying both procurement and ongoing support.

With three EHWIC slots, the 2911 can be expanded with a DSL WAN module for NBN FTTN connectivity, a 4G cellular module for automatic WAN failover, or a T1/E1 card for legacy serial WAN links. This modularity makes it a long-term investment for sites whose WAN requirements may evolve across the deployment lifecycle without requiring a router replacement.

Technical Specifications

Specification Detail
Model Cisco 2911/K9 (ISR G2)
Built-in GbE Ports 3x Gigabit Ethernet
EHWIC Slots 3
Flash Memory 256 MB
DRAM 512 MB
Operating System Cisco IOS 15.x
Routing Protocols OSPF, EIGRP, BGP, IS-IS, RIP
VPN Support IPSec, SSL VPN, DMVPN
Security Zone-based firewall, NAT, ACL
Form Factor 1U rack-mount
Warranty 12-month (Reboot IT)

Is It Right for You?

Best For ✓ Not For ✗
Small-to-medium branch office deployments Large enterprise core or aggregation routing
EHWIC expansion for DSL, 4G, or serial WAN Environments needing more than 3 built-in GbE ports
Cisco IOS managed enterprise networks SD-WAN-only architectures not requiring IOS
VPN spoke or hub deployments High-throughput production environments (>100 Mbps)
Sites with limited rack space (1U chassis) Buyers requiring newer IOS XE platforms (ISR 4xxx)

Condition Grades

Grade Description
A — Excellent Minimal cosmetic marks. All ports functional. Tested and reset to factory defaults. All LEDs verified.
B — Good Light wear or minor marks. All ports functional. Tested and reset to factory defaults.

Frequently Asked Questions

What is the difference between the 2911 and the 2921?

The 2921 has 4 EHWIC slots (vs 3 on the 2911) and more processing headroom. Both run IOS 15.x and support the same routing, VPN, and firewall features — the 2911 is more compact and cost-effective for smaller sites.

What EHWIC modules can I add?

Compatible modules include VDSL2/ADSL2+ WAN, 4G LTE cellular, additional GbE interfaces, serial T1/E1, and voice DSP cards. Refer to Cisco's compatibility matrix for your specific module.

Does the K9 designation include VPN hardware?

Yes. K9 indicates the security bundle, enabling hardware-accelerated IPSec encryption so VPN performance does not degrade the router's routing throughput.

What IOS version does it ship with?

Units ship with Cisco IOS 15.x installed and are reset to factory defaults. Contact us for the specific release version if required for your deployment.

Is the 2911 rack-mountable?

Yes. It is a 1U rack-mount device. Rack ears may or may not be included with the unit — check the listing or contact us to confirm.

How is shipping handled?

Shipping costs apply based on size and destination — rates are calculated at checkout.

What does the 12-month warranty cover?

All hardware defects and functional failures. Units are tested and reset to factory defaults before dispatch.

12-Month Warranty — Reboot IT

Every Cisco 2911/K9 sold by Reboot IT is backed by a 12-month return-to-base warranty. Our team has been testing, grading, and reselling quality IT equipment since 2001 from our Melbourne base. Shipping costs apply based on size and destination — rates are calculated at checkout. Questions? Visit us at reboot-it.com.au.

Specifications
  • Model
    2911
  • Display Type
    IPS
  • Connectivity
    RJ45 Ethernet|Serial (V.35|G.703)|Console Port (RJ45)|USB
  • Colour
    Gray
  • Warranty
    12 months

What's in the box
  • Cisco 2911/K9
By buying refurbished, you avoid
250kg

of CO₂ vs. manufacturing new

And divert
4.5kg

of e-waste from landfill

Source: Cisco Catalyst PAIA lifecycle — per unit.

Why the 2911?

The Cisco 2911 ISR delivers enterprise-grade networking with 3x Gigabit Ethernet ports, compact rack-mountable design, and proven reliability for seamless business connectivity at exceptional refurbished value.

Cisco 2911 Integrated Services Router | 3mth Wty

Triple Gigabit Connectivity

Three Gigabit Ethernet ports provide versatile WAN and LAN connections for high-speed network performance across multiple devices.

USB Expansion Ready

Dual USB connectivity (USB 2.0 and mini USB ports) enables easy device connections and system updates for enhanced flexibility.

Compact Rack Design

Lightweight 4.2kg design with 43.9 x 38.9 x 4.4cm dimensions fits perfectly in standard server racks without compromising functionality.

3 Month Warranty

Your Cisco 2911 ISR comes with comprehensive 3-month warranty coverage for complete peace of mind.

Triple Gigabit Connectivity

Three Gigabit Ethernet ports provide versatile WAN and LAN connections for high-speed network performance across multiple devices.

USB Expansion Ready

Dual USB connectivity (USB 2.0 and mini USB ports) enables easy device connections and system updates for enhanced flexibility.

Cisco 2911 Integrated Services Router | 3mth Wty

Compact Rack Design

Lightweight 4.2kg design with 43.9 x 38.9 x 4.4cm dimensions fits perfectly in standard server racks without compromising functionality.

3 Month Warranty

Your Cisco 2911 ISR comes with comprehensive 3-month warranty coverage for complete peace of mind.

Let customers speak for us

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All-in-one Solution for Home Office

I was looking for an in-expensive all-in-one solution for my home office to replace my existing desktop and monitor. I found this EliteOne 800 on reboot IT for under $200. I wasn't sure what to expect. It arrived within two days!!!! I upgraded the RAM, replaced the HDD and installed Windows 11. This is unbeatable value and was the cheapest price online. Coupled with a 3-month warranty, Reboot IT are by far the best online refurbished retailer I have used. Awesome!

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Excellent work

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exactly as described and works well , just like the staff down there. 10/10

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Very happy, thank you

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Just having trouble greeting it linked to the internet otherwise it’s okay.

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Fair tech for price, good specs for era, serves the purpose. The black keyboard is an interesting rubber like texture clearly by design to pad the screen and avoid the keyboard touching. Screen is great. Still looking for magic formula to enable computer use in the bright bright sunshine. Keyboard taps are loud for someone who likes silent touch. The perfect PC has to exist, like build a bear.

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