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Name:
CISCO2821
- Description:
- Cisco 2821 router 2821 w/ AC PWR, 2GE, 4HWICs, 3PVDM, 1NME-X, 2AIM, IP BASE, 128F/512D
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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
CISCO2821 Overview
Overview of CISCO2821
CISCO2821 is a robust, modular enterprise router built to address branch connectivity needs with a fixed chassis design that supports integrated services such as voice and basic security. Designed with dual power supply options powered by an AC power supply and featuring two built‐in Fast Ethernet (10/100) ports along with serial WAN interfaces, it offers flexible WAN/LAN connectivity and modular expansion through EHWIC slots to add additional interfaces as required.
CISCO2821 delivers integrated VPN capabilities via IPSec, proven firewall functionality, and efficient packet processing performance for data and voice applications. Its architecture emphasizes targeted throughput for branch office use, redundancy in critical areas where applicable, and the ability to support a range of official routing protocols and remote management options in secure, managed environments.
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CISCO2821 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | N/A |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 |
| Remote Management | Telnet / SSH / SNMP |
| Compliance Standards | IEEE 802.3 / IEEE 802.3u |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / IPv6 Compatible / Firewall / Voice |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | N/A |
| QoS Features | Supported |
| Built-in Security Features | Firewall |
| Expansion Slots | EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 60W |
| Device Type | Router |
| Product Name | Cisco 2821 Integrated Services Router |
| Height | 1.8 inches |
| Width | 17.3 inches |
| Depth | 11.3 inches |
| Weight | 10.3 lbs |
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 | Modular | Modular | Fixed | Fixed | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | IEEE 802.3 / IEEE 802.3u | FCC / CE | FCC / CE / RoHS | FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 11.3 inches | N/A | N/A | 14.1 inches | 15.7 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | FCC Part 15 |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC / NIM | EHWIC | EHWIC / NIM |
| Features | VPN / IPv6 Compatible / Firewall / Voice | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Desktop / Rack-mount | Rack-mount | Rack-mount |
| Height | 1.8 inches | N/A | N/A | 2.2 inches | 3.5 inches |
| High Availability Support | Not Supported | Supported | Not Supported | Not Supported | Not Supported |
| Integrated Services | Voice | Voice / Video | Voice / Video | Voice | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | N/A | 2 LAN Ports | 2 LAN Ports | 4 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 128 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6, TCP/IP | IPv4, IPv6, OSPF, EIGRP, RIP, BGP |
| Power | 60W | 80 W | 85 W | 65W | 65 Watts |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 2821 Integrated Services Router | Cisco 2801 Integrated Services Router | Cisco 2801 Integrated Services Router | Cisco C2801-VSEC-SRST/K9 | Cisco 2811 Integrated Services Router Secure (CISCO2811-SEC/K9) |
| Product Type | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | CLI / SNMP / Telnet / SSH | Telnet / SSH / SNMP | Telnet, SSH, SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / 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 | UL/cUL |
| 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 | N/A | 0.02 Gbps | 0.075 Gbps | 0.075 Gbps | N/A |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec / DMVPN | IPSec / SSL VPN / DMVPN | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | Modular WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 10.3 lbs | N/A | N/A | 17.6 lbs | 17.5 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.3 inches | N/A | N/A | 17.2 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 2821 router (SKU: CISCO2821)?
A
The Cisco 2821 router is a modular branch office platform offering dual Gigabit Ethernet ports, four HWIC slots, and advanced routing capabilities powered by the IP Base software image for secure, scalable WAN connectivity.
Q
What are the key hardware specifications of the Cisco 2821 router?
A
This router includes 128 MB flash, 512 MB DRAM, four HWIC slots, a Network Module Expansion (NME-X) slot, two Advanced Integration Module (AIM) slots, three PVDM slots, and integrated AC power support.
Q
How many and what type of Ethernet ports does the Cisco 2821 support?
A
The Cisco 2821 provides two built-in Gigabit Ethernet ports for high-speed LAN and WAN connectivity, ensuring reliable performance for data-intensive applications.
Q
What memory and storage capacities are available in the Cisco 2821?
A
The router ships with 512 MB of DRAM for efficient packet processing and 128 MB of onboard flash memory for Cisco IOS image storage and configuration files.
Q
Which expansion modules can I install in the Cisco 2821 router?
A
You can install up to four High-Speed WAN Interface Cards (HWICs), a Network Module Expansion (NME-X) card, two Advanced Integration Modules (AIMs), and up to three Packet Voice DSP Modules (PVDMs).
Q
How do PVDM slots enhance voice and video capabilities?
A
The three PVDM slots provide digital signal processing resources for voice and video conferencing, enabling features like voice compression, transcoding, and Cisco Unified Communications integration.
Q
What power options are available for the Cisco 2821 router?
A
The Cisco 2821 comes with an integrated AC power supply and supports optional redundant power modules for high availability in critical network environments.
Q
Which Cisco IOS software image is preinstalled on the Cisco 2821?
A
The router includes the Cisco IP Base software image, offering essential routing, security, and quality of service features for small to midsize branch deployments.
Q
What security features does the Cisco 2821 router support?
A
It supports hardware-accelerated VPN (IPSec), stateful inspection firewall, intrusion prevention, and Cisco IOS security suites to safeguard data traffic and network access.
Q
What are the typical use cases for the Cisco 2821 router?
A
Ideal for branch offices, small enterprises, and retail locations, the Cisco 2821 delivers secure WAN connectivity, integrated voice and video services, and scalable performance.
Q
What routing performance can I expect from the Cisco 2821?
A
The router delivers up to 85 Mbps of throughput and can handle thousands of concurrent sessions, making it suitable for moderate to high network loads.
Q
How can I manage and configure the Cisco 2821 router?
A
Management options include the Cisco IOS command-line interface, Cisco Configuration Professional GUI, and integration with Cisco Prime Infrastructure for centralized control.
Q
Is the Cisco 2821 router rack-mountable?
A
Yes, the Cisco 2821 is a 1 RU device that supports standard rack-mount kits or can be deployed on a desktop using the included mounting hardware.
Q
What warranty and support options are available for the Cisco 2821?
A
Cisco offers a limited lifetime hardware warranty and optional SMARTnet service contracts for 24×7 technical support and hardware replacement.
Q
How can I upgrade the Cisco 2821 router for future network growth?
A
You can expand capacity by adding HWICs, upgrading PVDMs, increasing memory, and installing higher-tier Cisco IOS software licenses.
Q
Is the Cisco 2821 compatible with existing Cisco networking equipment?
A
Yes, the Cisco 2821 seamlessly integrates with Cisco Catalyst switches, ASA firewalls, and other Cisco routers under a unified IOS management framework.
