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William Turner
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ASR1004-20G base bundle delivers predictable 20G performance. Easy to deploy and integrate into existing Cisco networks.
ASR1004-20G/K9
Cisco ASR 1000 Router Base Bundle ASR1004-20G/K9
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ASR1004-20G/K9
- Description:
- Cisco ASR 1000 Router Base Bundle ASR1004-20G/K9
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- Brand:
- Cisco
- GTIN:
- 882658181115
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- Warranty:
- 3
- List Price:
$73,800.00
- Price:
$37,201.0049.6% off
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ASR1004-20G/K9 Overview
ASR1004-20G/K9 is a high-performance enterprise router built on a fixed architecture that delivers advanced integrated services including voice, video, and secure data transport. It supports dual power options with redundant AC power supplies, ensuring continuous operation in mission-critical environments while offering reliable WAN and LAN interfaces optimized for robust throughput and low latency.
ASR1004-20G/K9 features integrated VPN capabilities, comprehensive firewall and QoS features, and flexible modular expansion options for future service enhancements. With a throughput capacity of 20 Gbps, advanced routing protocols, and built-in high availability, this router is ideally suited for enterprise and service provider edge deployments demanding stringent performance and reliability.
ASR1004-20G/K9 price is $37,201.00, a 49.6% saving from the Cisco list price of $73,800.00. ASR1004-20G/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASR1004-20G/K9 for additional pricing. Browse the full Router Asr 1000 series or explore all Cisco products.
ASR1004-20G/K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / DMVPN / FlexVPN
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Fixed
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 2 LAN Ports
- Ethernet Technology
- 10/100/1000
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6, MPLS
- Remote Management
- Telnet, SSH, SNMP
- Compliance Standards
- RoHS, FCC, CE
- Wireless Support
- No
- Speed/Capacity
- Gigabit
- Firewall Features
- Yes
- Features
- VPN, IPv6 Compatible, Firewall, MPLS, QoS
- Use Case
- Enterprise / Service Provider
- 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
- 20 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention
- Expansion Slots
- NIM, EHWIC, SFP+
- Modular Slots Available
- N/A
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 4 GB
- Flash Memory
- 512 MB
- Interface Ports
- RJ-45, SFP
- Power
- 350W
- Device Type
- Router
- Product Name
- Cisco ASR1004-20G/K9
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
ASR1004-20G/K9 Use Case
High-Performance Branch WAN Aggregation with Cisco ASR1004-20G/K9
In a multinational enterprise with dozens of branch offices, the ASR1004-20G/K9 acts as a central WAN aggregation router, terminating multiple 10 GbE and 20 GbE links, running IOS-XR for sub-millisecond failover and advanced QoS. By consolidating routing, security policy enforcement, and VLAN segmentation on a single platform, organizations achieve 99.999% uptime, predictable application performance, and simplified operations—driving down operational costs by 30% while sustaining high-speed connectivity.
Service Provider Edge Routing for 5G Backhaul and MPLS Core
A Tier-1 service provider deploys the ASR1004-20G/K9 in its edge POPs to aggregate 5G wireless backhaul traffic over MPLS and Segment Routing, leveraging hardware-accelerated forwarding for millions of routes. The router’s IOS-XR modularity and in-service software upgrade (ISSU) capability enable non-disruptive feature rollouts and network scaling, delivering ultra-low latency (<1 ms) and 99.99% service availability for latency-sensitive applications such as autonomous vehicles and AR/VR services.
Hybrid Cloud Interconnect and Secure Data Center Edge
A global financial institution uses the ASR1004-20G/K9 as its Data Center Edge to connect private data centers to AWS and Azure via DMVPN and BGP EVPN, ensuring encrypted multi-tenant traffic segmentation and compliance with GDPR and PCI DSS. The platform’s built-in encryption, deep packet inspection, and scalable throughput up to 80 Gbps enable secure, on-demand cloud bursting and near-zero-touch provisioning—reducing time-to-market for new services by 50% and strengthening regulatory adherence.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 ASR1004-20G/K9 |  ASR1006-20G-FPI/K9 |  ASR1001-X |  ASR1001-5G-VPNK9 |  ASR1006-X | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Fixed | Fixed | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | RoHS, FCC, CE | FCC / CE / RoHS | RoHS / FCC / CE | FCC, CE, UL | FCC / CE / RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | N/A | 27.5 inches | N/A | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 / 10G |
| Expansion Slots | NIM, EHWIC, SFP+ | NIM | NIM | EHWIC | NIM / SM-X / SFP+ |
| Features | VPN, IPv6 Compatible, Firewall, MPLS, QoS | VPN / IPv6 Compatible / Firewall / MPLS / High Availability | VPN / IPv6 Compatible / Firewall / MPLS | VPN / QoS / Firewall / IPv6 Compatible / MPLS | VPN / MPLS / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 2 GB | 1 GB | 2 GB |
| Form Factor | Rack-mount | Chassis | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | N/A | 1.75 inches | N/A | 1 RU |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP / SFP+ |
| LAN Ports | 2 LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 8 GB |
| Modular Slots Available | N/A | 3+ Slots | 2 Slots | N/A | 6 Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4 / IPv6 | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | IPv4, IPv6, MPLS | IP / IPv6 / MPLS / QoS |
| Power | 350W | 750W | 350 W | 350W | 500 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco ASR1004-20G/K9 | Cisco ASR1006-20G-FPI/K9 | Cisco ASR 1001-X Aggregation Services Router | Cisco ASR1001-5G-VPNK9 | Cisco ASR 1006-X Aggregation Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Aggregation Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | CLI / SNMP / Web-based | SSH / Telnet / SNMP / NETCONF | SSH, Telnet, SNMP, NetConf | SSH / Telnet / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / Static Routing | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | 20Gbps | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 20 Gbps | 20Gbps | 20 Gbps | 5 Gbps | 200 Gbps |
| Use Case | Enterprise / Service Provider | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / DMVPN / FlexVPN | IPSec / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | Modular WAN | 2 WAN | 2 WAN | Modular WAN |
| Weight | N/A | N/A | 27 lbs | N/A | 30 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | 17.25 inches | N/A | 19 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
B
Benjamin Carter
4
Reliable high-throughput router for enterprise WAN. Stable, simple to manage, and excellent Cisco build quality.
D
Daniel Adams
5
Handles large traffic volumes efficiently. Ideal choice for growing enterprise networks needing dependable 20G routing.
M
Matthew Lewis
3
Cisco ASR1004-20G is compact yet powerful. Smooth configuration and reliable day-to-day performance.
J
Joshua Mitchell
4
Stable, scalable, and efficient router. Perfect for mid to large enterprise deployments requiring high throughput.
Questions & Answers
What is the Cisco ASR 1000 Router Base Bundle ASR1004-20G/K9?
The Cisco ASR 1000 Router Base Bundle ASR1004-20G/K9 is a four-slot, carrier-grade edge router optimized for high-performance WAN aggregation and large-scale service provider networks.
What throughput can the Cisco ASR1004-20G/K9 achieve?
The ASR1004-20G/K9 supports up to 20 Gbps of sustained throughput, scalable via Performance-on-Demand (PoD) licenses to meet growing bandwidth requirements.
How many interface slots and ports does the ASR1004-20G/K9 provide?
The ASR1004-20G/K9 features four integrated network interface module (NIM) slots and two built-in 10 Gigabit Ethernet ports for flexible connectivity options.
Which Cisco IOS XE software version runs on the ASR1004-20G/K9?
The Cisco ASR1004-20G/K9 runs Cisco IOS XE, offering modularity, programmability via APIs, and advanced feature sets for security, MPLS, and virtualization.