United States
Name:
CISCO2811
- Description:
- Cisco 2811 router 2811 w/ AC PWR, 2FE, 4HWICs, 2PVDMs, 1NME, 2AIMS, IP BASE, 128F/512D
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- Brand:
- Cisco
- Condition:
- GTIN:
- 662895827119
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3 Year Extended Warranty
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
CISCO2811 Overview
CISCO2811 is a high-performance integrated services router built on a modular architecture that delivers advanced data, voice, and video capabilities. It offers flexible power options with an AC power supply and optional redundancy, while providing built‐in WAN/LAN interfaces that can be dynamically configured through integrated RJ-45 ports and expansion modules. The router supports secure VPN connectivity using IPSec and DMVPN features and is engineered for reliable throughput and consistent performance in demanding network environments.
CISCO2811 is designed for enterprise and small business use cases requiring resilient integrated services and future-proof modular expansion. Its capability to host additional EHWIC and NIM modules enhances integrated services such as voice and WAN optimization, while its redundancy options and verified high availability support ensure robust network performance even in challenging conditions.
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CISCO2811 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / DMVPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | Modular WAN |
| LAN Ports | Modular LAN |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 |
| Remote Management | CLI / Telnet / SNMP / SSH |
| Compliance Standards | FCC / CE / IC |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / IPv6 Compatible / Firewall / VoIP |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video / WAN Optimization |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 30 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | EHWIC / NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 150W |
| Device Type | Router |
| Product Name | Cisco 2811 Integrated Services Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO2811 Use Case
Cisco 2811 Router for Secure Branch VPN & Dynamic Routing
In a multi-site enterprise, the Cisco 2811 router (AC PWR, 2FE, 4 HWICs, IP Base) delivers encrypted site-to-site VPN tunnels, supports dynamic routing (EIGRP/OSPF) and QoS for converged voice/data. Dual WAN HWICs enable broadband/LTE failover. Outcome: Secure, resilient branch connectivity with 50% faster failover and centralized management through Cisco IOS.
Cisco 2811 Router as SMB VoIP Gateway with PVDM DSP
A regional SMB deploys the Cisco 2811 router’s 2 PVDMs and NME analog voice module to host 20 concurrent VoIP calls, SIP trunking and fax-over-IP. IP Base security features protect signaling and media. Outcome: 30% reduction in telephony costs, carrier-grade voice quality and a unified communications platform in a single chassis.
Cisco 2811 Router for Industrial IoT & Remote Automation
In a manufacturing plant, the Cisco 2811 router leverages its NME serial I/O and 4 HWIC slots for Modbus/DNP3 telemetry aggregation. IP Base services enable secure SSH, SNMPv3 monitoring and automated firmware updates. Outcome: Real-time equipment visibility, 25% faster incident response and streamlined IT/OT integration under one management interface.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Modular | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention / VPN | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE, RoHS | FCC / CE | FCC, CE, UL | FCC / CE / IC | FCC / CE / RoHS |
| Connectivity Type | Wired / Ethernet | Wired | Wired | Wired | Wired |
| Depth | 11.2 inches | 13 inches | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 Ethernet | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | NIM | EHWIC | EHWIC / NIM | EHWIC |
| Features | VPN, Firewall, IPv6 Compatible, Voice, Video, WAN Optimization | VPN / IPv6 Compatible / Firewall / Integrated Security | VPN, Firewall, Intrusion Prevention, IPv6 Compatible | VPN / IPv6 Compatible / Firewall / VoIP | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount / Desktop | Rack-mount | Rack-mount | Desktop |
| Height | 1.73 inches | 1.75 inches | N/A | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video |
| Interface Ports | RJ-45 / SFP | RJ-45 / Console Port | RJ-45, SFP | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | 2 LAN Ports | 4 LAN Ports | Modular LAN | N/A |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 512 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | RIP, OSPF, EIGRP, BGP, IS-IS, Static Routing | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IP / IPX / IPv6 |
| Power | 85 Watt | 250W | 375 Watts | 150W | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply (250W) | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply |
| Product Name | Cisco 2851 Integrated Services Router - 35UC-VSEC | Cisco 2821 Integrated Services Router | Cisco C2851-VSEC-SRST/K9 | Cisco 2811 Integrated Services Router | Cisco 2801 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP, Cisco SDM | Telnet / SSH / HTTP(s) / SNMP | Telnet, SSH, SNMP, HTTP/HTTPS | CLI / Telnet / SNMP / SSH | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | 10/100 Ethernet | Gigabit | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.035 Gbps | 0.075 Gbps | 100 Mbps | 30 Mbps | 0.075 Gbps |
| Use Case | Enterprise / Business | Enterprise / Business | Enterprise | Enterprise | Business |
| VPN Support | IPSec / SSL VPN | IPSec VPN / SSL VPN / GRE / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / DMVPN | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | Modular WAN | 2 WAN |
| Weight | 17.6 lbs | 11 lbs | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.27 inches | 17 inches | N/A | N/A | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What are the key features and specifications of the Cisco 2811 router?
A
The Cisco 2811 router features an AC power supply, two 10/100 Fast Ethernet ports, four HWIC slots, one NME slot, two AIM slots, two PVDM2 voice modules, IP Base IOS, 128 MB flash, and 512 MB DRAM for branch office connectivity, voice, and VPN services.
Q
What hardware components are included with SKU CISCO2811?
A
SKU CISCO2811 includes the Cisco 2811 chassis, AC power supply, 2x 10/100 Fast Ethernet interfaces, 4 HWIC slots, 1 NME slot, 2 AIM slots, 2 PVDM2 modules, IP Base license, 128 MB flash, and 512 MB DRAM.
Q
How many interface slots does the Cisco 2811 offer?
A
The Cisco 2811 provides four HWIC slots, one Enhanced Network Module (NME) slot, and two Advanced Integration Module (AIM) slots for flexible WAN, LAN, and voice expansion.
Q
What is the default memory and flash capacity of the Cisco 2811?
A
Out of the box, the Cisco 2811 ships with 512 MB of DRAM and 128 MB of onboard flash, supporting upgrades up to 2 GB of DRAM and 256 MB of flash for advanced deployments.
Q
What power supply does the Cisco 2811 come with?
A
The Cisco 2811 includes an internal AC power supply delivering up to 290 W, ensuring reliable operation in standard branch office environments.
Q
What built-in network interfaces are available on the Cisco 2811?
A
The Cisco 2811 features two integrated 10/100 Fast Ethernet ports for LAN or WAN connectivity without occupying HWIC slots.
Q
How many and what type of HWIC modules does the Cisco 2811 support?
A
You can install up to four Cisco High-Density WAN Interface Cards (HWICs) on the 2811 to add serial, ISDN, or additional Ethernet ports for WAN connectivity.
Q
What voice processing capabilities does the Cisco 2811 provide?
A
The Cisco 2811 includes two PVDM2 voice DSP modules, supporting voice compression, conferencing, transcoding, and up to 24 VoIP calls concurrently with the IP Base image.
Q
Which Advanced Integration Modules (AIMs) are compatible with the Cisco 2811?
A
The Cisco 2811 supports two AIM slots for modules such as the Voice Interface Card (VIC), Security Module, or inline power adapter for voice and security enhancements.
Q
What is the maximum throughput with the IP Base license on the Cisco 2811?
A
Under the IP Base IOS, the Cisco 2811 delivers up to 35 Mbps of aggregate forwarding performance, ideal for small to medium branch deployments.
Q
How do I install or expand network modules on the Cisco 2811?
A
Power down the router, insert your HWIC, NME, or AIM into the appropriate slot until it clicks, screw in the captive fasteners, then power on and configure the new interface in IOS.
Q
What VPN features and capacity are supported by the Cisco 2811?
A
The Cisco 2811 offers hardware-accelerated IPsec, GRE, and DMVPN tunnels, supporting up to 100 VPN peers with the IP Base image and advanced encryption modules.
Q
How can I update or upgrade the IOS software on the Cisco 2811?
A
Use TFTP, FTP, or Cisco IOS Upgrade Manager via the console or Ethernet interface to transfer the new Cisco IOS image to the router’s flash and update the boot variable.
Q
What management and monitoring interfaces does the Cisco 2811 support?
A
Manage the Cisco 2811 via console, AUX, SSH, Telnet, SNMP, NetFlow, or CiscoWorks for real-time monitoring and centralized configuration.
Q
What is the warranty, support, and lifecycle status of the Cisco 2811?
A
The Cisco 2811 includes a 90-day limited warranty; Cisco SMARTnet support and software updates are available. Note that the 2811 is End-of-Sale, with replacements in the ISR 2900 and 4000 series.
Q
Are there any modern alternatives to the Cisco 2811 router?
A
For upgraded performance and security, consider Cisco ISR 2911 or the Catalyst 9200 series, which offer higher throughput, enhanced UADP engines, and integrated SD-WAN features.
