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C2821-H-VSEC/K9
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C2821-H-VSEC/K9
2821H.Perf.VSEC:AIM-VPN2/SSL,PVDM2,CCME/SRST,AIS,2...
$8,295.00
$3,765.00
12 in Global Warehouse
$3,765.00
55% off
TRUSTED, TRIED, PROVEN
C2821-H-VSEC/K9 Overview
C2821-H-VSEC/K9 is a high‑security, modular enterprise router designed to deliver robust performance with integrated services for voice, video, and data. Built on a modular architecture with flexible power options via an AC power supply, it provides versatile WAN/LAN connectivity with dual WAN ports and an embedded four‐port LAN configuration, making it ideal for secure branch connectivity.
Engineered to support advanced VPN features and a suite of integrated security and firewall functions, this router excels in throughput capacity and redundancy for mission‑critical environments. Optimized for enterprise use cases, it offers high availability, modular expansion via NIM slots, and reliable performance for secure, multi‑service applications.
What is the price of C2821-H-VSEC/K9?
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C2821-H-VSEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / DMVPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 |
| Remote Management | HTTP / CLI / SNMP |
| Compliance Standards | RoHS / FCC |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN / IPv6 Compatible / Firewall |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.075 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 100 W |
| Device Type | Router |
| Product Name | Cisco C2821-H-VSEC/K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C2821-H-VSEC/K9 Use Case
Secure Branch Office Connectivity with C2821-H-VSEC VPN2/SSL
In a multi-site enterprise rolling out sensitive customer portals, the C2821-H-VSEC/K9 leverages AIM-VPN2/SSL and 256F/512D hardware encryption to establish IPsec tunnels between HQ and 15 branch offices. By offloading crypto operations to dedicated silicon, the router maintains wire-speed throughput for critical applications while ensuring FIPS-compliant data confidentiality. Benefit: centralized policy enforcement, sub-millisecond VPN failover and a 40% reduction in WAN security appliance costs.
Unified Communications Resilience Using PVDM2 & CCME/SRST
A healthcare network with over 500 staff requires uninterrupted voice and video calling even during WAN outages. The C2821-H-VSEC’s PVDM2 DSP modules handle high-density codec transcoding, while on-board CCME/SRST automatically shifts call processing to local mode if primary CallManager is unreachable. Benefit: zero-touch failover for IP telephony, 99.999% voice uptime and streamlined compliance with HIPAA-mandated continuity.
Next-Gen Threat Defense and Application Visibility
A financial services firm implements the C2821-H-VSEC’s AIS intrusion prevention and deep packet inspection to inspect Layer 7 traffic across its datacenter edge. Combined with 512D of firewall sessions, the router detects and blocks SQL injection, brute-force SSH and malware before they reach critical servers. Benefit: real-time threat mitigation, 60% fewer false positives and simplified audit reporting under PCI DSS.
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 | Modular | Modular | Fixed | Modular |
| Broadband | N/A | N/A | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / UL | RoHS / FCC | FCC / CE / IC | FCC / CE / RoHS | RoHS / FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15.2 inches | N/A | N/A | N/A | 15.2 inches |
| 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 | NIM | EHWIC / NIM | EHWIC / NIM | EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / VoIP | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Desktop / Rack-mount | Rack-mount / Desktop |
| Height | 1.73 inches | N/A | N/A | N/A | 1.75 inches |
| High Availability Support | Supported | Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice / Video / WAN Optimization | Voice / Video | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | 2 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IP, TCP, UDP, ICMP | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IP / TCP / UDP / ICMP |
| Power | 60W | 100 W | 150W | 85 W | 150W |
| Power Source | DC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply |
| Product Name | CISCO2851-DC Integrated Services Router | Cisco C2821-H-VSEC/K9 | Cisco 2811 Integrated Services Router | Cisco 2801 Integrated Services Router | CISCO2811-ADSL2/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH | HTTP / CLI / SNMP | CLI / Telnet / SNMP / SSH | Telnet / SSH / SNMP | Telnet / SSH |
| Routing Protocols | OSPF / BGP / 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 | Gigabit | Gigabit | 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 | 30 Mbps | 0.075 Gbps | 30 Mbps | 0.075 Gbps | 0.075 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Business / Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / DMVPN | IPSec / DMVPN | IPSec |
| WAN Configuration | Dual WAN | WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | 1 WAN |
| Weight | 23 lbs | N/A | N/A | N/A | 14 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.3 inches | N/A | N/A | N/A | 17.3 inches |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 2821H Integrated Services Router (SKU: C2821-H-VSEC/K9)?
A
The Cisco 2821H Integrated Services Router (C2821-H-VSEC/K9) is a modular branch router featuring AIM-VPN2/SSL, PVDM2 voice DSP, CCME/SRST survivable telephony, Advanced Inspection Services (AIS), 256 MB flash, and 512 MB DRAM for secure, high-performance connectivity.
Q
Which VPN capabilities does the AIM-VPN2/SSL module provide?
A
The AIM-VPN2/SSL module delivers hardware-accelerated IPsec VPN and SSL VPN termination, supporting hundreds of simultaneous tunnels for secure remote access and site-to-site connectivity.
Q
How does the PVDM2 module enhance voice performance?
A
The PVDM2 module provides digital signal processing for voice compression, transcoding, and conferencing, enabling high-quality VoIP and Toll Quality conferencing on the 2821H router.
Q
What role does CCME/SRST play in telephony resilience?
A
Cisco CallManager Express (CCME) with Survivable Remote Site Telephony (SRST) maintains local call routing and feature support during WAN outages, ensuring continuous voice services.
Q
How does Advanced Inspection Services (AIS) improve security?
A
Advanced Inspection Services (AIS) delivers stateful application inspection and intrusion prevention, automatically detecting and blocking malicious traffic at the network edge.
Q
What are the memory specifications of the C2821-H-VSEC/K9?
A
This router ships with 256 MB of flash memory for IOS images and configuration files and 512 MB of DRAM to support routing, security, and voice services.
Q
Which WAN interface options are supported on the 2821H router?
A
The 2821H supports multiple WAN interface cards including T1/E1, ADSL2+, serial, and Gigabit Ethernet for flexible enterprise connectivity.
Q
Can I upgrade the IOS software on the Cisco 2821H router?
A
Yes. You can upgrade the IOS by copying the new image to flash via TFTP/FTP/SCP and updating the boot variable in ROMMON to point to the new image.
Q
What typical use cases does the Cisco 2821H router address?
A
The 2821H is ideal for branch office VPN termination, secure telephony, unified communications survivability, and perimeter security in small to medium enterprises.
Q
How many IPsec VPN tunnels can the 2821H handle?
A
With AIM-VPN2/SSL, the 2821H can support up to 250 IPsec VPN tunnels concurrently, depending on traffic load and encryption settings.
Q
Is the router compatible with Cisco Unified Communications Manager?
A
Yes. The 2821H integrates with Cisco Unified Communications Manager via the PVDM2 and CCME/SRST features for branch telephony deployments.
Q
What power supply options are available?
A
The C2821-H-VSEC/K9 comes with an internal universal power supply supporting 100–240 VAC; optional DC power modules are also available.
Q
How do I configure basic routing protocols on the 2821H?
A
Use the Cisco IOS CLI to enable and configure protocols such as OSPF, EIGRP, and BGP under global configuration mode, then apply network statements to interfaces.
Q
Does the 2821H support quality of service (QoS)?
A
Yes. It supports comprehensive QoS features including classification, policing, shaping, and priority queuing to ensure SLA compliance.
Q
What licensing options are available for performance and security features?
A
Licenses for security (VPN, IPS) and performance-enhancing features are embedded in the AIM modules; additional feature licenses may be activated via Cisco Software Activation.
Q
What is the warranty coverage for the Cisco 2821H router?
A
Cisco offers a limited lifetime hardware warranty plus 90 days of Cisco Software Technical Support with options to purchase extended support contracts.
Q
How can I monitor performance and security on the 2821H?
A
Use embedded SNMP, NetFlow, and Cisco IOS Security MIBs with Cisco Prime Infrastructure or third-party NMS platforms to monitor health, traffic, and security events.
