United StatesName:
Added to cart 28 times recently
In stock - Ready to Ship
$11,595.00
$5,265.0054.6% off
Quantity:
Business price:
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:
C2821-25UC-VSEC/K9
2821 w/ PVDM2-32,AIM-CUE,25 CME/CUE/Ph lic,Adv IP,128F/512D
TRUSTED, TRIED, PROVEN
Inventory Delivered By
& Verified By
Solutions Powered By
C2821-25UC-VSEC/K9 is a robust integrated services router that incorporates a fixed architecture with modular expansion capabilities, providing flexible power options through an AC power supply. It is engineered to deliver secure communications via integrated VPN features, a stateful firewall, and comprehensive built-in security functionality.
C2821-25UC-VSEC/K9 offers dual WAN configuration with two dedicated WAN ports and supports four LAN ports using 10/100 Ethernet technology. It is optimized for performance with a throughput capacity of 25 Mbps, supports advanced routing protocols, and includes integrated voice services for unified communications, making it ideal for enterprise branch offices and secure remote connectivity use cases.
C2821-25UC-VSEC/K9 price is $5,265.00, a 54.6% saving from the Cisco list price of $11,595.00. C2821-25UC-VSEC/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2821-25UC-VSEC/K9 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.
 C2821-25UC-VSEC/K9 |  C2801-VSEC/K9 |  CISCO2821-AC-IP |  CISCO2811-AC-IP |  CISCO2801-V/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Fixed | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall | Firewall / IPSec VPN | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | 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 | N/A | 16.1 inches | 7.5 inches | 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 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC | EHWIC / NIM | EHWIC |
| Features | VPN / VoIP / Firewall / IPv6 Compatible | VPN / Firewall / NAT / QoS / Integrated Security | VPN / NAT / Firewall / IPv6 Compatible | VPN / Voice / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Desktop/Chassis | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | N/A | 1.73 inches | 8.0 inches | N/A |
| High Availability Support | Not Supported | Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice | Voice / Video / Security | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 / USB | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 2 LAN Ports | 2 LAN Ports | 2 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 3+ Slots | 2 Slots |
| Network Protocols | IPv4, IPv6 | IP / TCP / UDP / ICMP | IPv4 / IPv6 | IP, TCP, UDP, ICMP | IPv4 / IPv6 |
| Power | 65 W | 65 Watt | 150W | 276 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 with Security (C2801-VSEC/K9) | Cisco 2821 AC-IP Integrated Services Router | CISCO2811-AC-IP | Cisco 2801 Integrated Services Router |
| Product Type | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | CLI / HTTP / HTTPS / SNMP | SSH / Telnet / SNMP | Telnet / SSH / SNMP | CLI / SNMP / Telnet / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / 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 | N/A | Fast Ethernet | 10/100 | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 25 Mbps | 50 Mbps | 0.075 Gbps | 25 Mbps | 0.02 Gbps |
| Use Case | Enterprise | Enterprise / Business | Business / Enterprise | Business / Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | Modular WAN | Modular WAN |
| Weight | N/A | N/A | 13 lbs | 17 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | 17.3 inches | 12.0 inches | N/A |
| Wireless Support | No | No | No | No | No |
Cisco 2821 25UC VSEC provides secure UC with 25 CME/CUE licenses. Reliable performance for branch offices with PVDM2 and advanced IP services.
Durable and efficient. Handles multiple UC endpoints with advanced security reliably and maintains smooth voice operations.
Easy to configure and manage. Provides secure voice and UC with minimal downtime.
Reliable Cisco solution. Supports branch offices with consistent UC, voice, and secure communications.
Strong and predictable. Ideal for offices needing secure UC and reliable voice connectivity.
The Cisco 2821 C2821-25UC-VSEC/K9 is an integrated services router featuring a PVDM2-32 voice DSP module, AIM-CUE for voicemail, 25 CME/CUE/Phone user licenses, Advanced IP services, 128 MB flash, and 512 MB DRAM.
It combines high-performance routing, voice, security, and application services in a single platform, including voice DSP, unified messaging, firewall, VPN, and Quality of Service (QoS).
PVDM2-32 supports up to 32 concurrent G.711 calls or equivalent low-bitrate codecs, enabling robust VoIP performance.
The AIM-CUE provides integrated Cisco Unity Express voicemail, automated attendant, and unified messaging for up to 25 users.