• C1-ASR1004/K9 is the ASR1004 with Cisco ONE Software. Cisco ONE Software suites provide a cost-effective and flexible way for you to acquire software for your data center, routing, switching, and wireless needs.


Features and benefits

When it comes to connecting enterprise networks to cloud infrastructure, Cisco ASR 1000s are more than mere edge routers.

Application-centric SD-WAN

Security and integrity

Leading encryption performance, layered security services, and a tamper-resistant design help the Cisco ASR 1000 reduce your attack surface and secure edge traffic.

High performance and scale

Always-on architecture

A unique chipset architecture splits control and data-plane operations for improved performance, no matter how complex or crowded your edge. The Cisco ASR 1000 is built to scale.

Unified communications

Advanced silicon

Our latest ASIC technology in the Cisco ASR 1000 Series provides unparalleled edge performance, even when connectivity comes in large bursts.


SKU: CISCO C1-ASR1004/K9 Category:


Sub Brands



Physical specifications

Note: Depth applies to chassis edge-to-edge dimension and does not include protrusions such as card handles, power-supply handles, and cable management brackets.

Refer to the applicable hardware installation guide for additional details.

Height: 7 in. (177.8 mm)

Width: 17.2 in. (437.4 mm)

Depth: 18.15 in. (461.0 mm)


●  68.7 lb (31.16 kg) (with dual AC power supply, SPA blank covers, Cisco ASR 1000 Series 10-Gbps ESP [ASR1000-ESP10] or ASR 1000 Series 40-Gbps ESP [ASR1000-ESP-40], Cisco ASR 1000 Series Route Processor 1 [RP1] [ASR1000-RP1], two Cisco ASR 1000 Series 10-Gbps SIPs [ASR1000-SIP10] or ASR1000 Series 40-Gbps SIPs [ASR1000-SIP-40], and no SPAs)

Default memory4-GB DRAM RP1


Number of SIPs or Ethernet line cards supported2
Shared port adapters8 SPA slots
Ethernet port adaptersN/A
Cisco ASR 1000 Series ESP1 ESP slot
Route processor1 route-processor slot
RedundancySoftware: Yes
Built-in Gigabit Ethernet ports0
Built-in 10 Gigabit Ethernet portNo
Network interface moduleNo
Cisco ASR 1000 SeriesCisco ASR 1004
ESP supportCisco ASR 1000 Series 10-Gbps ESP (ASR1000-ESP10), noncrypto Cisco ASR 1000 Series 10-Gbps ESP (ASR1000-ESP10-N), Cisco ASR 1000 Series 20-Gbps ESP (ASR1000-ESP20), and Cisco ASR 1000 Series 40-Gbps ESP (ASR1000-ESP40)
ESP bandwidth10 to 40 Gbps
ESP memoryCisco ASR 1000 Series 10-Gbps ESP (ASR1000-ESP10) and ASR 1000 Series 10-Gbps ESP (ASR1000-ESP10): 2‑GB DRAM default; 2‑GB DRAM maximum

Cisco ASR 1000 Series 20-Gbps ESP (ASR1000-ESP20): 4‑GB DRAM default; 4‑GB DRAM maximum

SIPs and Ethernet line cardsSupports Cisco ASR 1000 Series 10-Gbps SIP Carrier Card (ASR1000-SIP10), Cisco ASR 1000 Series 40-Gbps SIP Carrier Card (ASR1000-SIP40), and ASR 1000 Fixed Ethernet Line Cards; two 10 GE + twenty 1 GE line cards (ASR1000-2T+20X1GE); and six 10 GE line cards (ASR1000-6TGE)
Embedded hardware-based encryptionYes: On Cisco ASR 1000 Series 10-Gbps ESP (ASR1000-ESP10) with up to 4 Gbps and on Cisco ASR 1000 Series 20-Gbps ESP (ASR1000-ESP20) with up to 8-Gbps crypto support throughput

Note: No support on noncrypto Cisco ASR 1000 Series 10-Gbps ESP (ASR1000-ESP10-N)

Minimum Cisco IOS XE Software releaseCisco IOS XE Software Release 2.1
Rack-mountingYes: 19-inch
External USB flash memory1-GB USB flash-memory support
Redundant power supplySame as for Cisco ASR 1002
Power inputSame as for Cisco ASR 1002
Power consumption●  Maximum (DC): 1020W

●  Maximum (AC): 960W

●  Maximum (out): 765W

Operating temperature (nominal)32 to 104°F
(0 to 40°C)
Operating temperature (short-term)32 to 122°F
(0 to 50°C)
Operating humidity (nominal) (relative humidity)10 to 85%
Operating humidity (short-term)5 to 90%
Storage temperature-40 to 150°F

(-40 to 70°C)

Storage humidity (relative humidity)5 to 95%
Operating altitude-500 to 10,000 feet
(152 to 3048 meters)
Network Equipment Building Standards (NEBS)GR-1089 and GR-63
EMC standards●  FCC 47 CFR Part 15 Class A

●  VCCI Class A

●  AS/NSZ Class A

●  ICES-003 Class A

●  EN55022/CISPR 22 Information Technology Equipment


●  EN55024/CISPR 24 Information Technology Equipment


●  EN300 386 Telecommunications Network Equipment

●  (EMC)

●  EN50082-1/EN61000-6-1 Generic Immunity Standard

Safety StandardUL60950-1

CSA C22.2 No. 60950-1-03

EN 60950-1

IEC 60950-1

AS/NZS 60950.1


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