• Cisco ASR 1000 Router ASR1004-20G-VPN/K9 ASR1004 VPN Bundle w/ ESP-20G,RP1,SIP10,AESK9,License


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 ASR1004-20G-VPN/K9 Category:


Sub Brands


Device TypeRouter
Enclosure TypeDesktop, rack-mountable – modular – 4U
Connectivity TechnologyWired
PerformanceForwarding performance: 23 Mbps ¦ Bandwidth: 20 Gbps
CapacityAccess control entries: 100000 ¦ QoS hardware queues: 128000 ¦ Concurrent IPSec VPN tunnels: 10000 ¦ NAT/ firewall sessions: 2000000 ¦ GRE tunnels: 4000 ¦ Maximum number of instances: 4000 ¦ Concurrent RTP sessions: 4000 ¦ Concurrent L2TP VPN tunnels: 16000 ¦ Concurrent sessions: 32000
Network / Transport ProtocolIPSec
Remote Management ProtocolSNMP, Telnet, SSH, CLI
FeaturesNAT support, VPN support, load balancing, IPv6 support, Non-Stop Forwarding (NSF), Stateful switchover (SSO), Quality of Service (QoS), IPv4 support, NetFlow
Compliant StandardsCISPR 24, EN55022, VCCI Class A ITE, EN55024, CISPR 22, EN50082-1, EN 61000-6-1, AS/NZS 60950-1, ICES-003 Class A, FCC CFR47 Part 15, EN300-386, UL 60950-1, IEC 60950-1, EN 60950-1, CSA C22.2 No. 60950-1-03
Hard Drive40 GB

Expansion / Connectivity

InterfacesManagement: 1 x 10Base-T/100Base-TX/1000Base-T – RJ-45 ¦ Management: 1 x console – RJ-45 ¦ Management: 1 x auxiliary – RJ-45 ¦ Management: 1 x USB – 4 pin USB Type A
Expansion Slots1 (total) / 0 (free) x processor board ¦ 11 (total) / 9 (free) x expansion slot
Installed Modules Qty (Max)3 (installed) / 12 (max)


Power DeviceInternal power supply
Power RedundancyYes
Installed Qty2 (installed) / 2 (max)
Voltage RequiredAC 120/230 V (50/60 Hz)


Rack Mounting KitIncluded

Software / System Requirements

OS ProvidedCisco IOS Advanced Enterprise Services

Dimensions & Weight

Width17.2 in
Depth22 in
Height7 in

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