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CISCO2811-ADSL2/K9
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2811 bundle, HWIC-1ADSL, SP Svcs, 128F/512D
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Name:
CISCO2811-ADSL2/K9
- Description:
- 2811 bundle, HWIC-1ADSL, SP Svcs, 128F/512D
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658128097
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$2,995.00
- Price:
$1,359.0054.6% off
Quantity:
1
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CISCO2811-ADSL2/K9 Overview
CISCO2811-ADSL2/K9 is a modular enterprise router that integrates ADSL2 functionality with a flexible architecture and dual power options. It features integrated WAN/LAN interfaces, including built‐in Fast Ethernet ports and an ADSL2 port, and is designed to deliver high throughput and reliable performance for small to medium business and branch-office deployments.
The router supports a variety of integrated services such as voice and video communications, advanced VPN features with IPSec encryption, and robust firewall capabilities. With its modular expansion slots for additional network interface modules and service modules, the CISCO2811-ADSL2/K9 offers versatile connectivity options, proven redundancy and enhanced performance to meet demanding network use cases.
CISCO2811-ADSL2/K9 price is $1,359.00, a 54.6% saving from the Cisco list price of $2,995.00. CISCO2811-ADSL2/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO2811-ADSL2/K9 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
CISCO2811-ADSL2/K9 Specifications
- Product Type
- Enterprise Router
- Brand
- Cisco
- VPN Support
- IPSec
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- DSL
- Architecture
- Modular
- WAN Configuration
- WAN
- WAN Ports
- 1 WAN
- LAN Ports
- Modular LAN
- Ethernet Technology
- 10/100
- Connectivity Type
- Wired
- Network Protocols
- IP / TCP / UDP / ICMP
- Remote Management
- Telnet / SSH
- Compliance Standards
- RoHS / FCC / CE
- Wireless Support
- No
- Firewall Features
- Yes
- Features
- VPN / Firewall / IPv6 Compatible
- Use Case
- Business / Enterprise
- Management
- Managed
- Form Factor
- Rack-mount / Desktop
- Integrated Services
- Voice / Video / WAN Optimization
- High Availability Support
- Not Supported
- Throughput Capacity
- 0.075 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- EHWIC
- Modular Slots Available
- 3+ Slots
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45
- Power
- 150W
- Device Type
- Router
- Product Name
- CISCO2811-ADSL2/K9
- Height
- 1.75 inches
- Width
- 17.3 inches
- Depth
- 15.2 inches
- Weight
- 14 lbs
CISCO2811-ADSL2/K9 Use Case
Branch Office High-Availability Broadband & VoIP Integration
Scenario: A mid-sized financial firm deploys the Cisco2811-ADSL2/K9 bundle with HWIC-1ADSL and SP Svcs, 128F/512D at its remote branch to combine primary MPLS with ADSL2 backup and native VoIP. Benefit: Achieves sub-second failover, unified voice/data over a single router, end-to-end QoS and 99.99% uptime—driving operational continuity and reducing WAN costs.
Managed Service Provider Secure VPN & Multi-Tenant WAN
Scenario: A regional MSP uses Cisco2811-ADSL2/K9 with HWIC-1ADSL and SP Svcs, 128F/512D to provision on-demand secure VPN tunnels for dozens of SMB customers over ADSL2. Benefit: Delivers granular multi-tenant security, automated service provisioning and bandwidth prioritization—accelerating time-to-revenue while ensuring SLA compliance and scalable growth.
Retail Chain Point-of-Sale Resilience & PCI-Compliant Backup
Scenario: A national retailer equips each store’s network edge with the Cisco2811-ADSL2/K9 bundle plus HWIC-1ADSL and SP Svcs, 128F/512D, pairing fiber primary WAN with ADSL2 failover for POS terminals and inventory systems. Benefit: Guarantees continuous transaction processing, meets PCI-DSS encryption and logging requirements, and delivers automatic broadband switchover to prevent revenue loss.
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Product Comparison Table 
| CISCO2811-ADSL2/K9 |  C2851-35UC/K9 |  CISCO2851-CCME/K9 |  CISCO2811-SEC/K9 |  CISCO2811 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | RoHS / FCC / CE | FCC / CE / RoHS | FCC, ICES, UL | FCC, CE | FCC / CE / IC |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM |
| Features | VPN / Firewall / IPv6 Compatible | VPN / VoIP / Integrated Services / Firewall | VPN / VoIP / IPv6 Compatible / Firewall / MPLS / Syslog | VPN / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall / VoIP |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount / Desktop | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| High Availability Support | Not Supported | Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice | Voice | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | Modular LAN | 2 LAN Ports | Modular LAN | Modular LAN | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 512 MB | 128 MB | 256 MB |
| Modular Slots Available | 3+ Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IP / TCP / UDP / ICMP | IPv4 / IPv6 | IPv4, IPv6, NAT | IPv4, IPv6, OSPF, EIGRP, RIP, BGP | IPv4 / IPv6 |
| Power | 150W | 220 W | 255W | 65 Watts | 150W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant |
| Product Name | CISCO2811-ADSL2/K9 | Cisco 2851 Integrated Services Router (UC) | CISCO2851-CCME/K9 Integrated Services Router | Cisco 2811 Integrated Services Router Secure (CISCO2811-SEC/K9) | Cisco 2811 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH | Telnet / SSH / SNMP | Telnet, SSH, SNMP | Telnet, SSH, SNMP | CLI / Telnet / SNMP / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Stacking Capability | No | No | No | No | No |
| Use Case | Business / Enterprise | Enterprise / Business | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec | IPSec | IPSec / DMVPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 2 WAN | Modular WAN |
| Wireless Support | No | No | No | No | No |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
S
Simon Bradford
5
ADSL connectivity has been stable in remote offices. Easy to configure.
G
Gareth Wilson
4
Reliable performance over ADSL links. Meets expectations.
C
Colin Mercer
4
Cisco quality router for legacy ADSL deployments. Consistent uptime.
I
Ian Holloway
5
Performed well in a branch environment. No major issues.
D
Derek Vaughan
4
Good choice for ADSL based connectivity. Stable operation.
Questions & Answers
What is the Cisco 2811-ADSL2/K9 bundle?
The Cisco 2811-ADSL2/K9 bundle is a modular ISR router with an integrated HWIC-1ADSL2 module, SP services license, 128 MB flash, and 512 MB DRAM, designed for secure branch connectivity.
What are the key features of the Cisco 2811-ADSL2/K9?
Key features include ADSL2/2+ WAN connectivity, dual integrated power supplies, four integrated 10/100 Ethernet ports, secure VPN acceleration, and service provider service licensing.
What throughput performance can I expect?
The Cisco 2811-ADSL2/K9 delivers up to 85 Mbps of aggregate forwarding performance with hardware-accelerated encryption for consistent branch-office speeds.
Which ADSL standards are supported?
The HWIC-1ADSL2 module supports ADSL, ADSL2, and ADSL2+ standards with downstream rates up to 24 Mbps and upstream rates up to 1.4 Mbps.
How much memory does the router have?
It ships with 128 MB of onboard flash memory and 512 MB of DRAM, supporting advanced IOS features and additional service images.
Does the Cisco 2811 support VPN and encryption?
Yes. It supports IPsec, SSL VPNs, 3DES, AES encryption, and has built-in Cisco VPN hardware acceleration for secure remote access.
What Service Provider services license is included?
The bundle includes a Service Provider services (SP Svcs) license, enabling advanced MPLS, QoS, and feature sets tailored for carrier-grade deployments.
How many Ethernet interfaces are available?
The device offers four integrated 10/100 Fast Ethernet ports plus two expansion slots for additional network module connectivity.
Can I deploy voice services on this router?
Yes. The 2811 supports optional voice interface modules (VIMs), integrated DSPs for conferencing, and Cisco Unified Communications features.
What redundancy options are supported?
The router supports redundant AC/DC power modules, Stateful Switch-over (SSO), and configuration replication for high availability.
Is the Cisco 2811 backward compatible with older HWIC modules?
Yes. It maintains backward compatibility with all Cisco HWIC and WIC modules designed for the 2800 series ISR platform.
What are the power and environmental specifications?
It operates at 100–240 VAC input, consumes approximately 60W, and runs in temperatures from 0°C to 45°C with standard 1RU rack dimensions.
How do I configure ADSL2 connectivity?
Use the IOS CLI to define the ATM PVC, bind dialer profiles, configure the dialer interface, and apply authentication (PPP or CHAP) for ADSL access.
Which IOS image supports SP services and ADSL2?
Cisco IOS Software image UNIVERSALK9 or SP SERVICES K9 includes the full feature set for ADSL2, MPLS, QoS, and security protocols.
What warranty and support options are available?
The product includes a limited lifetime warranty with 90-day technical support. Optional SMARTnet provides 24×7 coverage, software updates, and RMA services.
Is this router suitable for small and medium businesses?
Absolutely. The 2811-ADSL2/K9 offers enterprise-grade security, modular flexibility, and carrier-class reliability ideal for SMB branch deployments.