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Name: |
CISCO2821-V/K9 |
Description: | 2821 Voice Bundle,PVDM2-32,SP Serv,128F/512D |
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GTIN: | 818249903606 ![]() |
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CISCO2821-V/K9 Overview
CISCO2821-V/K9 is a fixed-architecture integrated services router engineered to deliver robust power management options, versatile WAN and LAN interfaces, and comprehensive integrated services including voice and WAN optimization. Designed for secure branch connectivity, it provides modular capabilities with support for EHWIC expansion slots, enabling customization to meet diverse network needs while delivering high-performance routing and VPN features.
CISCO2821-V/K9 offers reliable throughput optimized for small to mid-sized enterprises, with built‐in VPN support—such as IPSec and SSL VPN—to ensure secure remote communications. Its design emphasizes redundancy options, flexible power sourcing, and advanced firewall and quality-of-service capabilities to address demanding use cases in branch office and enterprise edge environments.
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CISCO2821-V/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN / N/A |
Power Source | AC Power Supply |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Fixed |
WAN Configuration | WAN |
WAN Ports | 1 WAN |
LAN Ports | 4 LAN Ports |
Ethernet Technology | 10/100 |
Wi-Fi Standard | N/A |
Connectivity Type | Wired |
Network Protocols | IPv4 / IPv6 |
Remote Management | Telnet / SSH / SNMP |
Compliance Standards | FCC / CE / RoHS |
Wireless Support | No |
Speed/Capacity | N/A |
Firewall Features | Yes |
Features | VPN / IPv6 Compatible / Firewall / VoIP |
Use Case | Business |
Management | Managed |
Form Factor | Desktop |
Integrated Services | Voice / WAN Optimization |
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 / Intrusion Prevention |
Expansion Slots | EHWIC |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 256 MB |
Flash Memory | 128 MB |
Interface Ports | RJ-45 |
Power | 75 Watt |
Device Type | Router |
Product Name | Cisco 2821 Integrated Services Router |
Height | N/A |
Width | N/A |
Depth | N/A |
Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Integrated Services Router | Enterprise Router | Router | Enterprise Router | Enterprise Router |
Connectivity Type | Wired / Wireless | Wired | Wired | Wired | Wired |
Broadband | DSL | N/A | DSL | N/A | Fiber Optic |
Power Source | External AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant |
Architecture | Fixed | Fixed | Modular | Fixed | Modular |
WAN Configuration | Single WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
WAN Ports | 1 WAN | 1 WAN | 2 WAN | 2 WAN | 2 WAN |
LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports | 8 LAN Ports | 8 LAN Ports |
Ethernet Technology | 10/100 Mbps | 10/100 | 10/100 | 10/100 | 10/100/1000 |
Wi-Fi Standard | 802.11b/g/n | N/A | N/A | N/A | N/A |
Wireless Support | Yes | No | No | No | No |
Speed/Capacity | Fast Ethernet | N/A | Fast Ethernet | N/A | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN, NAT, Firewall, Integrated Wireless | VPN / IPv6 Compatible / Firewall / VoIP | VPN, Firewall, NAT, QoS, Integrated Services | VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall |
Use Case | Small Business / Branch Office | Business | Enterprise | Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Desktop | Desktop | Rack-mount / Desktop | Rack-mount | Rack-mount |
Integrated Services | Voice, Data, Wireless, Security | Voice / WAN Optimization | Voice, VPN, Routing | VPN | WAN Optimization |
High Availability Support | Not Supported | Not Supported | Supported | Supported | Supported |
Throughput Capacity | 15 Mbps | N/A | 25 Mbps | 1 Gbps | 10Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, VPN encryption | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
Expansion Slots | N/A | EHWIC | NIM | N/A | NIM / SFP+ |
Modular Slots Available | N/A | 2 Slots | 2 Slots | N/A | 3+ Slots |
Stacking Capability | No | No | No | No | Yes |
5G Support | No | No | No | No | No |
Memory | 256 MB | 256 MB | 256 MB | 512 MB | 4 GB |
Flash Memory | 256 MB | 128 MB | 128 MB | 256 MB | 512 MB |
Interface Ports | RJ-45 | RJ-45 | RJ-45, Optional SFP | RJ-45 | RJ-45 / SFP |
Device Type | Router | Router | Router | Router | Router |
Product Name | Cisco 877W Integrated Services Router | Cisco 2821 Integrated Services Router | Cisco 2801-SHDSL-V3/K9 Integrated Services Router | AR550-8FE-D-H | CR5P5KCCCA51 Enterprise Router |
Height | N/A | N/A | N/A | 1.7 inches | 4 inches |
Width | N/A | N/A | N/A | 17 inches | 17 inches |
Depth | N/A | N/A | N/A | 15 inches | 18 inches |
Weight | N/A | N/A | N/A | 15 lbs | 30 lbs |
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