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C2811-4SHDSL/K9
2811 4-pair G.SHDSL bundle, HWIC-4SHDSL, SP Svcs, 128F/512D
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C2811-4SHDSL/K9 is a high-performance, integrated services router built with a fixed architecture that supports modular expansion, robust VPN capabilities, and dual power options to ensure reliable network connectivity. Designed for enterprise environments, this router features integrated high-speed DSL interfaces that bolster WAN/LAN performance and seamless delivery of voice, data, and video services.
C2811-4SHDSL/K9 delivers secure, dependable connectivity with support for multiple routing protocols and built-in firewall features. Its integrated service modules, combined with expansion slot flexibility, enable optimized throughput and redundancy for diverse business use cases, ensuring scalable connectivity for branch offices and remote sites.
C2811-4SHDSL/K9 price is $1,495.00, a 54.6% saving from the Cisco list price of $3,295.00. C2811-4SHDSL/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2811-4SHDSL/K9 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
A regional bank deploys the C2811-4SHDSL/K9 with HWIC-4SHDSL at its branch offices to establish four-pair G.SHDSL links, delivering up to 15 Mbps of symmetric bandwidth over existing copper loops. This setup ensures low-latency encrypted data transport for real-time transaction processing, high-availability failover, and predictable SLAs. Outcome: continuous 24/7 connectivity with sub-2ms jitter, reduced MPLS costs by 40%, and enhanced compliance with financial data-security regulations.
An internet service provider integrates the C2811-4SHDSL/K9-2811 router with SP Svcs and 128F/512D licensing to deliver converged data, voice, and managed firewall services to underserved rural and SMB locations. The four-pair G.SHDSL bundle extends symmetric upload/download speeds up to 15 Mbps without new fiber deployments. Outcome: rapid time-to-market for premium service tiers, a 30% increase in ARPU, and simplified remote provisioning via zero-touch HWIC-4SHDSL rollout.
A healthcare provider equips its emergency data center with the C2811-4SHDSL/K9 and HWIC-4SHDSL as a fallback transport over copper in the event of fiber or microwave link failure. The SP Svcs subscription and 128F/512D feature set enable secure IPsec VPN tunnels and dynamic routing updates over four-pair G.SHDSL. Outcome: under-5-minute network switchover, adherence to RTO/RPO mandates, and uninterrupted access to electronic health records during outages.
To get the detailed certification, please go to the Compliance Center.
| C2811-4SHDSL/K9 |  C2811-VSEC-CCME/K9 |  CISCO2811-HSEC/K9 |  CISCO2851 |  CISCO2811-AC-IP | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Modular | Modular |
| Broadband | DSL | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE | FCC / CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 14.1 inches | N/A | 14.5 inches | 7.5 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | 2 WIC / 2 NM | EHWIC | NIM | EHWIC | EHWIC / NIM |
| Features | VPN, Integrated DSL, Modular Expansion, VOIP, Firewall | VPN / IPv6 Compatible / Firewall / Voice | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / Voice / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Chassis | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 4.5 inches | N/A | 4.4 inches | 8.0 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice, Data, Security | Voice / Video / WAN Optimization | Voice | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | Modular LAN | 4 LAN Ports | Modular LAN | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 256 MB | 512 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6, MPLS, VPN | IP, TCP, UDP, ICMP | IPv4 / IPv6 | IPv4, IPv6 | IP, TCP, UDP, ICMP |
| Power | 130 Watts | 65 Watt | 125 W | 65 Watt | 276 Watts |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco C2811-4SHDSL/K9 Integrated Services Router | Cisco C2811-VSEC-CCME/K9 Integrated Services Router | CISCO2811-HSEC/K9 | Cisco 2851 Integrated Services Router | CISCO2811-AC-IP |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Fast Ethernet | N/A | N/A | N/A | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 28 Mbps | N/A | 0.075 Gbps | 0.075 Gbps | 25 Mbps |
| Use Case | Enterprise, Business | Enterprise | Enterprise | Enterprise | Business / Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec | IPSec / DMVPN / N/A | IPSec |
| WAN Configuration | WAN | WAN | WAN | Dual WAN | WAN |
| WAN Ports | 4 WAN | Modular WAN | 1 WAN | 2 WAN | Modular WAN |
| Weight | N/A | 15 lbs | N/A | 23.1 lbs | 17 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.2 inches | N/A | 17.3 inches | 12.0 inches |
| Wireless Support | No | No | No | No | No |
2811 4-pair G.SHDSL bundle ensures reliable WAN connectivity. HWIC-4SHDSL supports stable UC and voice communications for branch offices.
Durable and predictable. Handles SP services efficiently while maintaining secure voice and network performance.
Easy to deploy and manage. Provides consistent voice, UC, and data performance over SHDSL connections.
Reliable Cisco solution. Supports small branches with stable WAN, UC, and voice communications.
High-performing and robust. Ensures seamless voice and UC operations across branch offices with SHDSL links.
The C2811-4SHDSL/K9 is a Cisco 2811 router preconfigured with an HWIC-4SHDSL module, 4-pair G.SHDSL support, SP services, 128 MB Flash, and 512 MB DRAM for reliable business connectivity.
The HWIC-4SHDSL provides four independent G.SHDSL ports with up to 15 Mbps aggregate bandwidth, integrated line coding, and seamless compatibility with Cisco 2800 Series routers.
You can achieve up to 15 Mbps aggregate symmetric throughput, low latency, and service provider-grade reliability for real-time applications and VPN traffic.
This bundle ships with 512 MB of DRAM and 128 MB of Flash, ensuring smooth IOS operation, feature expansions, and efficient packet buffering.
The router supports advanced SP services including QoS, MPLS, VPN, traffic policing, and class-of-service features tailored for managed broadband deployments.
G.SHDSL is a symmetric high-speed DSL technology that delivers equal upstream and downstream bandwidth, simplifying VoIP, video conferencing, and critical data services over copper pairs.
Yes, the 2811 supports any Cisco HWIC module, including serial, T1/E1, ADSL, and voice interface cards, for flexible WAN connectivity and feature upgrades.
Power down the router, insert the HWIC-4SHDSL card into an available HWIC slot, secure the module, reconnect power, and verify with the ‘show hw-module’ command.
Yes, you can expand DRAM up to 2 GB and Flash up to 256 MB via Cisco-approved memory upgrades to support more features and larger IOS images.
The Cisco 2811 router requires 100–240 VAC, 50–60 Hz input and typically consumes up to 60 W under full load with the HWIC-4SHDSL installed.
Cisco IOS Release 12.4(15)T or later is recommended to enable advanced SP features such as MPLS, advanced QoS, and comprehensive security.
Yes, it supports OSPF, EIGRP, BGP, RIP, and IS-IS, enabling dynamic routing for complex enterprise and service provider topologies.
The 2811 delivers up to 85 Mbps of aggregate throughput with performance-optimized Cisco IOS images and hardware acceleration.
Use interface configuration mode (e.g., ‘interface serial0/0/0:15’), set encapsulation, line coding ‘shdsl’, and apply bandwidth or service-class settings per ISP guidelines.
Management options include console, AUX, SSH, Telnet, SNMP, Embedded Event Manager (EEM), and the Cisco Configuration Professional GUI.
Cisco offers a one-year limited hardware warranty, optional SMARTnet® support for 24/7 access to updates, advanced replacement, and technical assistance.