United StatesName:
Added to cart 28 times recently
In stock - Ready to Ship
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
CISCO2821
Cisco 2821 router 2821 w/ AC PWR, 2GE, 4HWICs, 3PVDM, 1NME-X...
TRUSTED, TRIED, PROVEN
Inventory Delivered By
& Verified By
Solutions Powered By
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.
CISCO2821 price is is available on request. Get immediate quote.
Request bulk order quote for CISCO2821 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
To get the detailed certification, please go to the Compliance Center.
| CISCO2821 |  CISCO2801 |  C2801-VSEC-SRST/K9 |  CISCO2811-SEC/K9 |  CISCO2801-V/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | IEEE 802.3 / IEEE 802.3u | FCC / CE / RoHS | FCC, CE | FCC, CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 11.3 inches | N/A | 14.1 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 / NIM | EHWIC | EHWIC / NIM | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall / Voice | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.8 inches | N/A | 2.2 inches | 3.5 inches | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice | Voice / Video | Voice | Voice / Video / WAN Optimization | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | N/A | 2 LAN Ports | 4 LAN Ports | Modular LAN | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 256 MB | 128 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6, TCP/IP | IPv4, IPv6, OSPF, EIGRP, RIP, BGP | IPv4 / IPv6 |
| Power | 60W | 85 W | 65W | 65 Watts | 80 W |
| 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 C2801-VSEC-SRST/K9 | Cisco 2811 Integrated Services Router Secure (CISCO2811-SEC/K9) | 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 | Telnet / SSH / SNMP | Telnet, SSH, SNMP | Telnet, SSH, SNMP | CLI / SNMP / Telnet / SSH |
| Routing Protocols | OSPF / EIGRP / BGP / 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 | N/A | 0.075 Gbps | 0.075 Gbps | N/A | 0.02 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / DMVPN | IPSec / SSL VPN / DMVPN | IPSec | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | Modular WAN |
| Weight | 10.3 lbs | N/A | 17.6 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 | 17.2 inches | 17.5 inches | N/A |
| Wireless Support | No | No | No | No | No |
Reliable branch router with solid performance. Handles routing and voice workloads smoothly and has proven stable in daily enterprise use.
A dependable Cisco router for business networks. Easy to integrate and delivers consistent uptime.
Strong all around performance for branch offices. Configuration was straightforward and reliability has been excellent.
Cisco quality shows in long term use. Predictable performance and stable hardware.
Well suited for mixed voice and data environments. Performs exactly as expected.
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.
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.
The Cisco 2821 provides two built-in Gigabit Ethernet ports for high-speed LAN and WAN connectivity, ensuring reliable performance for data-intensive applications.
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.
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).
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.
The Cisco 2821 comes with an integrated AC power supply and supports optional redundant power modules for high availability in critical network environments.
The router includes the Cisco IP Base software image, offering essential routing, security, and quality of service features for small to midsize branch deployments.
It supports hardware-accelerated VPN (IPSec), stateful inspection firewall, intrusion prevention, and Cisco IOS security suites to safeguard data traffic and network access.
Ideal for branch offices, small enterprises, and retail locations, the Cisco 2821 delivers secure WAN connectivity, integrated voice and video services, and scalable performance.
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.
Management options include the Cisco IOS command-line interface, Cisco Configuration Professional GUI, and integration with Cisco Prime Infrastructure for centralized control.
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.
Cisco offers a limited lifetime hardware warranty and optional SMARTnet service contracts for 24×7 technical support and hardware replacement.
You can expand capacity by adding HWICs, upgrading PVDMs, increasing memory, and installing higher-tier Cisco IOS software licenses.
Yes, the Cisco 2821 seamlessly integrates with Cisco Catalyst switches, ASA firewalls, and other Cisco routers under a unified IOS management framework.