United States$5,000,000+
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S
Simon Bradford
5
ADSL connectivity has been stable in remote offices. Easy to configure.
CISCO2811-ADSL2/K9
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:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658128097
- Condition:
- 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
- Power Source
- AC Power Supply
- Memory
- 256 MB
- Flash Memory
- 256 MB
- Height
- 1.75 inches
- Width
- 17.3 inches
- Ethernet Technology
- 10/100
- Depth
- 15.2 inches
- Weight
- 14 lbs
- Product Type
- Enterprise Router
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Wireless Support
- No
- Firewall Features
- Yes
- Management
- Managed
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- WAN Configuration
- WAN
- Expansion Slots
- EHWIC
- Speed/Capacity
- N/A
- Integrated Services
- Voice / Video / WAN Optimization
- Built-in Security Features
- Firewall / Intrusion Prevention
- WAN Ports
- 1 WAN
- Throughput Capacity
- 0.075 Gbps
- Use Case
- Business / Enterprise
- VPN Support
- IPSec
- Broadband
- DSL
- LAN Ports
- Modular LAN
- Features
- VPN / Firewall / IPv6 Compatible
- Architecture
- Modular
- Modular Slots Available
- 3+ Slots
- Compliance Standards
- RoHS / FCC / CE
- Form Factor
- Rack-mount / Desktop
- Remote Management
- Telnet / SSH
- Power
- 150W
- Network Protocols
- IP / TCP / UDP / ICMP
- Product Name
- CISCO2811-ADSL2/K9
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
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 |
| Broadband | DSL | N/A | N/A | N/A | N/A |
| 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 |
| Depth | 15.2 inches | N/A | 17.3 inches | 15.7 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | FCC Part 15 | N/A |
| 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 |
| Height | 1.75 inches | N/A | 1.73 inches | 3.5 inches | N/A |
| 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 |
| Safety | N/A | N/A | N/A | UL/cUL | N/A |
| Speed/Capacity | N/A | N/A | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | 75 Mbps | 0.075 Gbps | N/A | 30 Mbps |
| 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 |
| Weight | 14 lbs | N/A | 15 lbs | 17.5 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.3 inches | N/A | 17.3 inches | 17.5 inches | N/A |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
G
Gareth Wilson
4
Reliable performance over ADSL links. Meets expectations.
C
Colin Mercer
5
Cisco quality router for legacy ADSL deployments. Consistent uptime.
I
Ian Holloway
3
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.