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Cisco ISR4431-K9

The Cisco ISR4431-K9 is a 1U rack-mount Integrated Services Router from Cisco 4000 Series ISR, designed for large enterprise branch offices, mid-size regional sites, and WAN aggregation deployments. It converges routing, security, SD-WAN, voice, compute and application services on one platform, running Cisco IOS XE with powerful multi-core architecture for high throughput and service integration.

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Key Features & Benefits

1. Performance & Throughput

  • Built with dedicated multi-core CPU for separate control, data and service planes

  • Base throughput: 300 Mbps

  • With performance license: 800 Mbps

  • With boost license: Up to 4 Gbps

  • Large default memory: 4 GB DRAM / 4 GB Flash, upgradeable to 16 GB each

2. Fixed Onboard Ports

  • 3 × Gigabit Ethernet ports:

    • 1 × Combo GE (RJ45 / SFP)

    • 1 × GE RJ45

    • 1 × GE SFP

  • Ready for fiber or copper WAN/LAN connections without extra modules

3. Modular Expansion Slots

  • 2 × NIM slots: Support T1/E1, VDSL/ADSL, 4G LTE, 1G/10G Ethernet modules

  • 1 × SM-X slot: For high-density switching, service modules, UCS E-series compute

  • 1 × ISC slot: For voice DSP, security and integrated service cards

  • High modularity for flexible WAN, LAN, voice and service expansion

4. Security & SD-WAN

  • Embedded IOS Firewall, IPS, IPsec / SSL VPN, MACsec

  • Cisco TrustSec segmentation

  • Fully SD-WAN / IWAN ready for hybrid WAN, multi-path intelligent routing and cloud access

5. Voice & Unified Communications

  • Support PVDM4 DSP modules for VoIP, video conferencing, transcoding

  • Integrated QoS, NBAR2 application recognition for voice/video priority

6. Reliability & Deployment

  • 1U rack form factor

  • Internal AC power supply, low power consumption

  • Hot-swappable fans and modularity for easy maintenance


Technical Specifications

ParameterSpecification
Part NumberISR4431-K9
Form Factor1U Rack-mount
Default OSCisco IOS XE
Base LicenseIP Base
Base Throughput300 Mbps
Max Boost Throughput4 Gbps
Fixed Ports3 × Gigabit Ethernet (Combo + RJ45 + SFP)
Expansion2×NIM, 1×SM-X, 1×ISC
Default Memory4 GB DRAM / 4 GB Flash
Max Memory16 GB DRAM / 16 GB Flash
Forwarding Rate11 Mpps
RedundancyHot-swappable fans, optional redundant power


INQUIRY

Whatsapp:+86 13625512303

Phone:+86-0551 63367108

Email:Lily@zhongmei-group.com

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