• Cisco UCS B200 M4 server rack for ISR4221X/K9 router
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Cisco

Cisco ISR4221X/K9 | ISR 4221X Router, 2x GE, 2x NIM, 8 GB DRAM, IP Base

ISR4221X/K9

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Description

The ISR 4221X is an entry-level modular branch-office router from the Cisco 4000 Series Integrated Services Routers family. It suits small and remote branch offices with limited IT resources that need application-aware WAN connectivity, and it is designed to run Cisco Catalyst SD-WAN features over MPLS, VPN and Internet links.

The X variant has 8 GB of fixed DDR3 ECC DRAM and 8 GB of fixed flash. Connectivity comes from two onboard 10/100/1000 RJ-45 WAN/LAN ports plus one SFP-based port, with two NIM slots for WAN, LAN, voice and cellular expansion. Aggregate throughput is 35 Mbps by default, rising to 75 Mbps with the Performance licence, or 1.2 Gbps CEF-only with the Boost licence. It ships with the IP Base technology package, and Security and Application Experience bundles are available separately.

Power is by external AC supply, 100 to 240 VAC autoranging, with a maximum draw of 90 W. The 1 RU chassis can be wall-mounted or fitted into a 19-inch rack with the optional kit. The two NIM slots share a single 1 Gbps connection to the route processor, and there are no SM-X slots.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Runs Cisco Catalyst SD-WAN features for application-aware WAN connectivity
- Modular design with two NIM slots for WAN, LAN, voice and cellular expansion
- Pay-as-you-grow throughput licensing with Performance and Boost licences
- Optional Security package adds zone-based firewall, IPsec VPN, DMVPN and FlexVPN
- Front-panel Gigabit Ethernet interfaces can power external devices such as cellular gateways
- Cisco IOS XE software
- Wall-mountable 1 RU form factor

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

- Onboard WAN/LAN ports: 2 x 10/100/1000 RJ-45 plus 1 SFP-based port
- NIM slots: 2
- SM-X service-module slots: 0
- Onboard ISC slot: No
- DRAM: 8 GB DDR3 ECC, fixed, not upgradable
- Flash memory: 8 GB, fixed
- Aggregate throughput (default): 35 Mbps
- Aggregate throughput (Performance licence): 75 Mbps
- Aggregate CEF-only throughput (Boost licence): 1.2 Gbps
- Technology package: IP Base
- USB 2.0 type A ports: 1
- Console: 1 x RJ-45 combo CON/AUX port
- Power supply: External AC only
- AC input voltage: 100 to 240 VAC autoranging, 47 to 63 Hz
- Maximum power consumption: 90 W
- PoE: Not supported
- Dimensions (H x W x D): 43.7 x 322.6 x 254 mm
- Rack height: 1 RU, wall-mountable, optional 19-inch rack-mount
- Weight (no modules): 3.22 kg
- Operating temperature: 0 to 40 C
- Relative humidity: 5% to 85%
- MTBF: 593,270 hours

FAQs

Q: Which licence tier does this router ship with?
A: It ships with the IP Base technology package. Throughput is 35 Mbps by default, and the Performance and Boost licences raise the ceiling. Security and Application Experience bundles are sold under separate part numbers.

Q: How is the ISR4221X/K9 different from the standard ISR4221/K9?
A: The X variant has 8 GB of fixed DRAM, while the standard model has 4 GB. Both have 8 GB of flash, two onboard Gigabit Ethernet ports and two NIM slots.

Q: Does it support PoE or redundant power?
A: No. It uses a single external AC power supply, 100 to 240 VAC, with a maximum draw of 90 W. PoE and a redundant power supply are not supported.

Q: Can the memory or flash be upgraded?
A: No. The 8 GB DRAM and 8 GB flash are fixed and cannot be upgraded.

Q: Can it take voice or cellular modules?
A: It has two NIM slots for WAN, LAN, voice and cellular expansion. There are no SM-X slots, and both NIM slots share a single 1 Gbps connection to the route processor. The UC (Voice) bundles are not supported on this model.

Datasheet

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Manual

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