Cisco ISR4451-X-AX/K9 4000 Routers


Product Highlights

  • Product Type: Router
  • Product Model: 4451-X
  • Form Factor: Rack-mountable
  • Product Family: 4400
  • Number of Total Expansion Slots: 10
Categories: ,


Cisco ISR4451 series delivers high-performance and secures user experience with superior backward and forward compatibility too. Cisco ISR4451-X-AX/K9 runs multi-core, multi-threaded advanced secruity IOS-XE operating system to enable both WAN link security and MPLS service. It has amazing levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in enterprise sites. It integrated Services Router revolutionizes the delivery of application aware services in a branch-office environment. Cisco ISR4451 supports two kinds of DDRM, data plane and Control/services plane, which make administrator easy to manage the router.

ISR4451-X-AX/K9 Specification

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)

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
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