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C2921-WAASX/K9
Router Bundle - C2921, WAASX Feature License, Max Mem
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C2921-WAASX/K9 is a high-performance enterprise router designed with a fixed architecture that integrates robust WAN/LAN interfaces, offering dual WAN configurations and four LAN ports with 10/100/1000 Ethernet technology. Built to deliver integrated services such as voice and WAN optimization, it supports advanced VPN protocols including IPSec, SSL VPN, and DMVPN to securely connect branch offices and remote users while maintaining high throughput and redundancy for mission-critical operations.
C2921-WAASX/K9 features modular expansion options with dedicated slots for EHWIC and NIM cards, allowing for future upgrades and enhanced service integrations. Its comprehensive performance capabilities include support for IPv4/IPv6 networking, high availability, and built-in security measures such as firewall, intrusion prevention, and malware protection, making it well-suited for enterprise environments that demand reliable, scalable, and secure connectivity solutions.
C2921-WAASX/K9 price is $2,363.00, a 52.7% saving from the Cisco list price of $4,995.00. C2921-WAASX/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2921-WAASX/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
In a national retail chain with 120 branch stores connected over MPLS and broadband, the Cisco C2921-WAASX/K9 router bundle (C2921, WAASX feature license, max memory) deduplicates and compresses POS and inventory database traffic. Outcome: 70% faster stock updates, 60% lower WAN bandwidth consumption and near real-time inventory accuracy that drives higher sales and reduces out-of-stock events.
A healthcare network links 30 rural clinics to urban hospitals using hybrid WAN links. Deploying the C2921-WAASX/K9 with WAASX license and max memory optimizes PACS image transfers and EMR transactions. Outcome: 50% reduction in image download times, 35% bandwidth savings, and immediate access to patient records—enhancing clinical decision-making and patient outcomes.
A global bank replicates critical data between its primary data center and DR site over encrypted VPN tunnels. The C2921-WAASX/K9 bundle leverages the WAASX feature license with max memory to accelerate large-file replication and continuously dedupe transaction logs. Outcome: 80% shorter replication windows, improved RTO/RPO compliance and significant reduction in inter-site bandwidth costs.
To get the detailed certification, please go to the Compliance Center.
 C2921-WAASX/K9 |  CISCO2901-HSEC+/K9 |  C2911-VSEC-SRE/K9 |  C2921-VSEC-CUBE/K9 |  C2901-WAASX/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Fixed | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | IEEE 802.3 / IEEE 802.3u | FCC, CE, RoHS | FCC, CE | IEEE / FCC / CE | FCC, CE, UL |
| Connectivity Type | Wired | Wired | Wired | Wired | Ethernet |
| Depth | 14.57 inches | N/A | 14.1 inches | 15.0 inches | 14.17 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC Part 15 | FCC Class A / EN 55022 | N/A |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC / NIM | EHWIC | EHWIC / NIM | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall / WAN Optimization | VPN / IPv6 Compatible / Firewall | VPN / Firewall / Integrated Security / Modular / IPv6 Compatible | VPN / Firewall / Intrusion Prevention / NAT / QoS | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | N/A | 1.75 inches | 1.7 inches | 1.73 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / WAN Optimization | Voice / Video / WAN Optimization | Voice / Security | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / Combo Ports | RJ-45 / SFP | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 512 MB | 512 MB |
| Modular Slots Available | 3+ Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | IPv4, IPv6, MPLS, PPP, Frame Relay | IPv4 / IPv6 | IPv4, IPv6 |
| Power | 355 W | 350 W | 350 W | 350 W | 140 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco 2921 Integrated Services Router with WAAS | CISCO2901-HSEC+/K9 | Cisco C2911-VSEC-SRE/K9 | Cisco 2921-VSEC-CUBE/K9 | C2901-WAASX/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | Telnet, SSH, SNMP, HTTP/HTTPS | Cisco IOS, SNMP, SSH, Telnet | CLI / SNMP / SSH | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / 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 | UL | UL / cUL / CE | N/A |
| Speed/Capacity | Gigabit | N/A | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | Yes | No |
| Telecom | N/A | N/A | RoHS | TIA/EIA | N/A |
| Throughput Capacity | 1 Gbps | 0.075 Gbps | 75 Mbps | 75 Mbps | 0.075 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15.2 lbs | N/A | 21 lbs | 15 lbs | 17 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.13 inches | N/A | 17.3 inches | 17.5 inches | 17.24 inches |
| Wireless Support | No | No | No | No | No |
C2921 WAASX router bundle delivers reliable application acceleration and secure network performance. Ideal for medium and large branches.
Durable and predictable. Simplifies WAN optimization while maintaining network security and efficiency.
Easy to deploy and manage. Ensures high-performance UC and secure data operations consistently.
Reliable Cisco solution. Supports optimized WAN and secure communications for branch office networks.
Efficient and robust. Provides seamless application acceleration and UC performance across multiple branch locations.
The C2921-WAASX/K9 bundle includes a Cisco 2921 Integrated Services Router, the WAASX Application Acceleration Feature License, and support for up to 2 GB DRAM and 256 MB flash memory.
The Cisco 2921 offers 100 Mbps to 300 Mbps aggregate throughput, four built-in Gigabit Ethernet ports, modular expansion slots, hardware encryption acceleration, and resilient power options.
WAASX is a software license that enables Cisco Wide Area Application Services acceleration features—caching, compression, deduplication and TCP optimization—directly on the 2921 platform.
The Cisco 2921 supports up to 2 GB of DRAM and up to 256 MB of onboard flash for IOS images and WAASX feature code.
Yes. You can install up to two 1 GB DRAM modules in the router’s onboard memory slots and replace the flash module with a higher-capacity 256 MB CompactFlash card.
With WAASX features active, the Cisco 2921 can accelerate applications up to 150 Mbps, depending on traffic patterns and feature combinations.
The bundle is validated on Cisco IOS Software Release 15.3(3)M and later, providing full support for enterprise routing, security, and WAASX acceleration.
Use Cisco’s licensing commands in the IOS CLI: import the Smart License token, register the router, then run ‘license boot level waasx’ and reload to activate.
Ideal for enterprise branch offices, retail sites, and remote data centers requiring integrated routing, security, and application acceleration over WAN links.
Yes. The Cisco 2921 includes hierarchical QoS capabilities for traffic classification, shaping, policing and priority queuing to ensure application performance.
It features four integrated Gigabit Ethernet ports, two EHWIC slots, one internal service module slot, one USB port, and a console port.
WAASX accelerates applications by minimizing latency with TCP optimization, reducing bandwidth through caching and compression, and eliminating redundant data with deduplication.
The router supports a fixed internal power supply (350 W) with optional redundant external power supply for high-availability deployments.
You can manage it via Cisco IOS CLI, Cisco Prime Infrastructure, Cisco Configuration Professional, and SNMP-based monitoring systems.
The product includes a one-year limited hardware warranty and 90-day Cisco software support. Extended Smart Net Total Care contracts are available.
Enable the HTTP/HTTPS server in IOS, create a local admin user, then access the router at https://<router-ip> to configure through Cisco Configuration Professional.