Cisco Router 4000 Series ISR4451-X-AX/K9

ISR4451-X-AX/K9

1Gbps-2Gbps system throughput, 4 WAN/LAN ports, 4 SFP ports, multi-Core CPU, Dual-power, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs.

Description

ISR4451-X-AX/K9 Overview


ISR4451-X-AX/K9 integrated router combines high-performance, scalability, 

Data Center features and smart router is made to run multiple services. This 

is the only router in industry separates control data and services planes, so 

the benefits are numerous. With pay-as-you-grow performance, you can 

increase forwarding capacity when needed, you only pay for the 

performance you need. The ISR4451-X-AX/K9 runs multi-core, 

multi-threaded advanced secruity IOS-XE operating system to enable both 

WAN link security and MPLS and OTV services. Full featured WAN 

optimization with that run native on the motherboard without affecting 

performance, management and other capabilities. According to the 

scalability, ISR 4451 designed as a layer 7 router basically, the advanced 

network services enable the branch to utilize the WAN intelligently is really 

what ISR 4400 series all about.The Cisco ISR 4451 is the ultimate application 

delivery platform to mid-size or even large branch offices. This is literally 

routing redefined.


ISR4451-X-AX/K9   Specification

Description

Cisco ISR 4451 AppX Advanced services router 

( 2GE,2NIM,1SM,8G FLASH,4G   DRAM,MPLS, OTV)

Aggregate Throughput

1 Gbps to 2Gbps

Total onboard WAN or

LAN 10/100/1000 ports

4

RJ-45-based ports

4

SFP-based ports

4

Enhanced 

service-module slots

2

Doublewide 

service-module slots

1 (assumes no singlewide SM-X modules installed)

NIM slots

3

OIR (all I/O modules)

Yes

Onboard ISC slot

1

Default memory 

double-data-rate 3 (DDR3)

error-correction-code 

(ECC) DRAM

(Combined control/

services/data planes)

NA

Maximum memory DDR3

ECC DRAM (Combined 

control/services/data 

planes)

NA

Default memory DDR3 

ECC DRAM (data plane)

2 GB

Maximum memory DDR3

ECC DRAM (data plane)

2 GB

Default memory DDR3 

ECC DRAM 

(control/services plane)

4 GB

Maximum memory DDR3

ECC DRAM 

(control/services plane)

16 GB

Default flash memory

8 GB

Maximum flash memory

32 GB

External USB 2.0 slots

(type A)

2

USB console 

port -type B mini 

(up to 115.2 kbps)

1

Serial console 

port - RJ45 

(up to 115.2 kbps)

1

Serial auxiliary 

port - RJ45 

(up to 115.2 kbps)

1

Power-supply options

Internal: AC, DC and PoE

Redundant power supply

Internal: AC, DC and PoE

AC input voltage

100 to 240 VAC autoranging

AC input frequency

47 to 63 Hz

AC input current range, 

AC power supply 

(maximum)

7.1 to 3.0A

AC input surge current

<50 A

Typical power 

(no modules) (watts)

158

Maximum power with 

AC power supply (watts)

450 (no PoE)

Maximum power with 

PoE power supply 

(platform only) (watts)

1000 with PoE redundant

1450 with PoE boost no redundancy

Maximum endpoint PoE

power available from 

PoE power supply (watts)

500 W with optional redundancy

Maximum endpoint PoE 

power capacity with PoE 

boost   (watts)

950 W no redundancy

 

The Modules, Cards, Licenses & Accessories

Table 2 shows some recommended modules, cards, licenses and several cables.

 

Items

Models

Descriptions

Console

and 

Auxillary 

Cables

CAB-AUX-RJ45

Cisco   CAB-AUX-RJ45 Auxiliary Cable 8ft 

with RJ45 and DB25M

CAB-ETH-S-RJ45

Cisco   Router Cable CAB-ETH-S-RJ45

CAB-CONSOLE-RJ45

Cisco   CAB-CONSOLE-RJ45 Console 

Cable 6ft with RJ45 and DB9F

CAB-CONSOLE-USB

Cisco   CAB-CONSOLE-USB Console 

Cable 6 ft with USB Type A and mini-B

Licenses

L-SL-44-APP-K9=

Cisco ISR   4431/4451 AppX license 

L-SL-44-APP-K9= with WAAS/vWAAS 

1300/2500 conns RTU

Network 

Interface 

Modules

NIM-1MFT-T1/E1

Cisco   Fourth-Generation Multiflex 

Trunk Voice and WAN network 

interface module

NIM-2CE1T1-PRI

Cisco   Multiflex Trunk Voice and WAN 

network interface module

NIM-4E/M

Analog   voice network interface card 

(ear and mouth)

NIM-2FXS

Cisco   Analog voice network interface 

card NIM-2FXS

NIM-2FXS/4FXO

Cisco   Analog voice network interface 

card NIM-2FXS/4FXO

NIM-8MFT-T1/E1

Cisco   Fourth-Generation Multiflex Trunk 

Voice and WAN network interface module

SFPs for 

On-Board

GE Ports

GLC-SX-MMD

Cisco   GLC-SX-MMD 1000BASE-SX SFP 

transceiver module, MMF, 850nm, DOM

GLC-LH-SMD

Cisco   GLC-LH-SMD 1000BASE-LX/LH SFP 

transceiver module, MMF/SMF, 1310nm, DOM

GLC-ZX-SMD

Cisco   GLC-ZX-SMD 1000BASE-ZX SFP 

transceiver module, SMF, 1550nm, DOM


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