Cisco ISR4331/K9 4331 Integrated Services Router


Cisco ISR4331/K9 4331 Integrated Services Router

The 4331 Integrated Services Router from Cisco offers a multicore CPU architecture running modular Cisco IOS XE Software that can be quickly adapted to the changing needs of your branch-office environment. It separates control, services, and data plans, providing application-aware network services while maintaining a stable platform and a high level of performance during periods of heavy network load. Additionally, the router is able to integrate application-aware services and scale performance without a complete equipment upgrade. The 4331 features encryption acceleration, voice- and video-capable architecture, application firewall, call processing, and embedded services. The platform supports a range of wired connectivity options, including T1/E1 and fiber Gigabit Ethernet.

  • Offers services integration with voice, video, security, data, and embedded services
  • Enables deployment in high-speed WAN environments with concurrent services
  • Network agility for cloud-based services
  • Comprehensive application services for visibility, control, and optimization to deploy, monitor, and troubleshoot applications from any location
  • Features FlexVPN unified configuration, robust threat defense with firewall and intrusion-prevention services, and consistent policy enforcement with Cisco TrustSec security
  • Maximizes investment protection by supporting Cisco IOS XE Software, delivered in a single, universal image

Cisco ISR4331-SEC/K9 Specs

Form Factor1 U
Number of WAN Ports1 GE/SFP, 1 GE, 1 SFP
Performance100 Mb per second
Management Port1 GE
Network Interface Modules2
Enhanced Services Module1 single wide
Integrated Services Card Slots1 (PVDM 4)
Server Virtualization2 or 4 cores, single-wide
T1/E1 ChannelsUp to 360
Analog/BRI VoiceUp to 12 ports (FXS, FXO, E/M, BRi)
IPv4 RoutingRIP v1/v2, EIGRP, OSPF, BGP, PBR, PfR
Multicast Routing ProtocolsPIM-SM, mroute (static route), MLD
PoE Support with PoE Boost530 W
Route OptimizationPfR
Network Contention ControlQos, HQoS
Application VisibilityNBAR v2
WAN OptimizationISR-WAAS, vWAAS on
UCS E-Series


Packaging Info
Package Weight19.3 lb
Box Dimensions (LxWxH)23.1 x 23.0 x 6.9″


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