United States$5,000,000+
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Steven Palmer
5
AC power and PoE support simplified deployment. Stable routing and voice performance.
CISCO2821-AC-IP
2821 w/ AC+POE,2GE,4HWIC,3PVDM,1NME-X,2AIM,IP BASE,128F/512D
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Name:
CISCO2821-AC-IP
- Description:
- 2821 w/ AC+POE,2GE,4HWIC,3PVDM,1NME-X,2AIM,IP BASE,128F/512D
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 5051749123036
- Condition:
- Warranty:
- 3
- List Price:
$4,380.00
- Price:
$1,987.0054.6% off
Quantity:
1
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CISCO2821-AC-IP Overview
CISCO2821-AC-IP is a fixed enterprise router engineered with a robust internal architecture and AC power supply, featuring dual WAN interfaces and dedicated LAN ports that deliver reliable connectivity. It is designed with modular expansion capabilities to accommodate additional EHWIC modules and integrated services for voice, video, and WAN optimization.
CISCO2821-AC-IP also includes built-in VPN features with IPSec and SSL VPN support along with firewall and intrusion prevention functions to secure data traffic. With throughput optimized for business and enterprise environments and performance tuned for typical small-to-medium use cases, this router offers dependable connectivity while forgoing high availability redundancy.
CISCO2821-AC-IP price is $1,987.00, a 54.6% saving from the Cisco list price of $4,380.00. CISCO2821-AC-IP is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO2821-AC-IP for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
CISCO2821-AC-IP Specifications
- Power Source
- AC Power Supply
- Form Factor
- Rack-mount
- Memory
- 256 MB
- Height
- 1.73 inches
- Flash Memory
- 128 MB
- Width
- 17.3 inches
- Ethernet Technology
- 10/100
- Depth
- 16.1 inches
- Weight
- 13 lbs
- Product Type
- Enterprise Router
- Architecture
- Fixed
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 2 LAN Ports
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Wireless Support
- No
- Speed/Capacity
- 10/100
- Firewall Features
- Yes
- Management
- Managed
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- Expansion Slots
- EHWIC
- VPN Support
- IPSec / SSL VPN
- Broadband
- N/A
- Integrated Services
- Voice / Video / WAN Optimization
- Built-in Security Features
- Firewall / Intrusion Prevention
- Network Protocols
- IPv4 / IPv6
- Compliance Standards
- FCC / CE
- Throughput Capacity
- 0.075 Gbps
- Use Case
- Business / Enterprise
- Routing Protocols
- OSPF / EIGRP / RIP / Static Routing
- Remote Management
- SSH / Telnet / SNMP
- Features
- VPN / NAT / Firewall / IPv6 Compatible
- Power
- 150W
- Product Name
- Cisco 2821 AC-IP Integrated Services Router
CISCO2821-AC-IP Use Case
Secure Branch WAN Connectivity with CISCO2821-AC-IP-2821
In a multinational enterprise deploying zero-touch branches, the CISCO2821-AC-IP-2821 w/ AC+POE,2GE,4HWIC,3PVDM,1NME-X,2AIM,IP BASE,128F/512D serves as the primary VPN hub. Dual GE ports provide redundant uplinks, 2 AIM modules enable AES-256 site-to-site IPSec encryption, and the NME-X module delivers integrated firewall and intrusion prevention. Outcome: centralized policy enforcement, sub-5 ms failover, and 256 Mbps of throughput ensure secure, high-availability WAN connectivity across 50+ sites.
VoIP and Unified Communications at Branch Offices
A growing law firm integrates on-premises voice and video conferencing at 20 branch locations using the CISCO2821-AC-IP-2821 platform. Three PVDM voice modules support up to 90 simultaneous calls, while AC+POE powers IP phones and wireless APs. Four HWIC slots host conference bridging and T1/E1 CSU/DSU interfaces. Outcome: sub-50 ms call setup, end-to-end QoS prioritization, and a 40% reduction in telephony CAPEX through consolidation on a single integrated services router.
Retail Edge IoT and Power-over-Ethernet Aggregation
A national retail chain standardizes its store network on the CISCO2821-AC-IP-2821 to support digital signage, security cameras, and beacon-based customer analytics. AC+POE ports power up to 12 PoE devices, while 4 HWIC slots connect legacy POS terminals and serial barcode scanners. The IP Base feature set delivers VLAN segmentation and SNMP monitoring. Outcome: rapid store roll-outs in under two hours, 30% fewer devices in equipment racks, and real-time insights from in-store IoT sensors.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO2821-AC-IP |  C2851-VSEC-CUBE/K9 |  CISCO2811 |  C2801-VSEC-CUBE/K9 |  C2821-VSEC-CCME/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Fixed | Fixed |
| Broadband | N/A | 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 / VPN |
| Compliance Standards | FCC / CE | FCC, CE, RoHS | FCC / CE / IC | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16.1 inches | N/A | N/A | 15 inches | 13 inches |
| Device Type | Router | Router | Router | Router / Voice Gateway | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 Ethernet |
| Expansion Slots | EHWIC | EHWIC | EHWIC / NIM | EHWIC | NIM |
| Features | VPN / NAT / Firewall / IPv6 Compatible | VPN, IPv6 Compatible, Firewall | VPN / IPv6 Compatible / Firewall / VoIP | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / Integrated Security |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount / Desktop |
| Height | 1.73 inches | N/A | N/A | 1.75 inches | 1.75 inches |
| High Availability Support | Not Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice, Video | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 / Console Port |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | 150W | 85 W | 150W | 60 W | 250W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply (250W) |
| Product Name | Cisco 2821 AC-IP Integrated Services Router | Cisco C2851-VSEC-CUBE/K9 | Cisco 2811 Integrated Services Router | Cisco 2801 VSEC CUBE | Cisco 2821 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | SSH / Telnet / SNMP | CLI / Telnet / SNMP / SSH | Telnet / SSH / SNMP / HTTP | Telnet / SSH / HTTP(s) / SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | 10/100 | N/A | N/A | Fast Ethernet | 10/100 Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | 0.05 Gbps | 30 Mbps | 37 Mbps | 0.075 Gbps |
| Use Case | Business / Enterprise | Enterprise | Enterprise | Enterprise | Enterprise / Business |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / DMVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec VPN / SSL VPN / GRE / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | 2 WAN |
| Weight | 13 lbs | N/A | N/A | 12 lbs | 11 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.3 inches | N/A | N/A | 17 inches | 17 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
B
Brian Fletcher
4
Performed well in a busy branch office. Consistent uptime.
A
Andrew Collins
5
Cisco reliability you can trust. Handles mixed workloads smoothly.
M
Mark Ellison
3
Easy to deploy and manage. Solid all around router.
J
James Thornton
4
No issues so far. Meets branch networking requirements.
Questions & Answers
What is the Cisco 2821 AC-IP router?
The Cisco 2821 AC-IP is a modular Integrated Services Router featuring dual AC-powered PoE-capable Gigabit Ethernet ports, four HWIC slots, three PVDM slots, one NME-X slot, two AIM slots, IP Base licensing, 128 MB Flash, and 512 MB DRAM.
What throughput and performance does the Cisco 2821 deliver?
The Cisco 2821 delivers up to 80 Mbps of forwarding throughput and supports up to 150 Kpps packet forwarding with full ISR services enabled.
How many Power over Ethernet (PoE) ports are available?
The router includes two built-in IEEE 802.3af PoE-capable Gigabit Ethernet ports with a total PoE budget up to 15.4 W per port.
What is included with the IP Base software license?
The IP Base license provides advanced IP routing, NAT, QoS, basic security, firewall, and essential VPN services for enterprise edge deployments.