• Cisco ISR4351/K9 black router with silver accents and ventilation grates
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Cisco

Cisco ISR4351/K9 | ISR 4351 Router, 3x GE, 3x NIM, 2x SM, IP Base

ISR4351/K9

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Description

The Cisco ISR 4351 is a modular 2RU branch-office router from the Cisco 4000 Series Integrated Services Routers (ISR 4000). It runs Cisco IOS XE and supports Catalyst SD-WAN, so it suits a branch WAN edge that needs secure VPN, application-aware routing, voice and converged services over MPLS, VPN, Internet and cloud links.

This ISR4351/K9 provides 3 onboard 10/100/1000 WAN/LAN ports, 3 NIM slots, 2 enhanced service-module (SM) slots (or 1 doublewide) and 1 onboard ISC slot. It ships with 4 GB DDR3 ECC DRAM and 4 GB flash, upgradeable to 16 GB each. Aggregate throughput is 200 Mbps by default, rising to 400 Mbps with the Performance licence, and the Boost licence lifts CEF-only throughput to over 2 Gbps.

The SKU ships with the Cisco IOS XE universal image at the IP Base level. Security, Voice and Application Experience licences are optional, and the High Security (HSEC) licence is needed for full crypto. Power comes from an internal AC supply, 100 to 240 VAC autoranging, with a PoE power supply option.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Runs Cisco IOS XE with a single universal image, with advanced features enabled by right-to-use licences
- Cisco Catalyst SD-WAN support in controller mode, alongside autonomous routing mode
- Embedded IPsec VPN hardware acceleration
- Performance-on-demand upgrade from 200 Mbps to 400 Mbps with no hardware change
- Boost licence for CEF throughput of up to 2 Gbps
- Modular NIM and SM-X slots with online insertion and removal
- Optional 4G/LTE connectivity through modules

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

- Aggregate throughput (default): 200 Mbps
- Aggregate throughput (Performance licence): 400 Mbps
- Aggregate CEF-only throughput (Boost licence): Over 2 Gbps
- Onboard 10/100/1000 WAN/LAN ports: 3
- RJ-45-based ports: 3
- SFP-based ports: 3
- NIM slots: 3
- Enhanced service-module slots: 2 (or 1 doublewide)
- Onboard ISC slot: 1
- Online insertion and removal (all I/O modules): Yes
- DRAM: 4 GB DDR3 ECC default, 16 GB maximum
- Flash memory: 4 GB default, 16 GB maximum
- USB 2.0 Type-A ports: 2
- Console ports: USB mini-B and RJ-45, plus RJ-45 auxiliary
- Power supply: Internal AC, DC or PoE options
- AC input: 100 to 240 VAC autoranging, 47 to 63 Hz
- Typical power (no modules): 48 W
- Maximum power with AC power supply: 430 W
- Maximum endpoint PoE power (PoE supply): 500 W
- Dimensions (H x W x D): 88.9 x 438.15 x 469.9 mm
- Rack height: 2 RU
- Weight (1 x 450 W AC supply, no modules): 13.1 kg
- Operating temperature: 0 to 40 C
- Airflow: I/O side to bezel side

FAQs

Q: Which licence level does the ISR4351/K9 ship with?
A: It ships with the Cisco IOS XE universal image at the IP Base level. Security, Voice and Application Experience licences are optional upgrades.

Q: How do I increase throughput beyond 200 Mbps?
A: The Performance licence (FL-4350-PERF-K9) raises aggregate throughput from 200 Mbps to 400 Mbps in software. The Boost licence (FL-4350-BOOST-K9) provides CEF-only throughput of over 2 Gbps.

Q: What power supply does it use?
A: It uses an internal AC power supply rated for 100 to 240 VAC autoranging. A PoE power supply option provides up to 500 W of endpoint PoE.

Q: What modules can I add to the ISR4351/K9?
A: It has 3 NIM slots, 2 SM-X slots (or 1 doublewide) and 1 ISC slot. Memory can be upgraded to 16 GB DRAM and 16 GB flash.

Q: Does it need a licence for full VPN encryption?
A: Full crypto needs the High Security (HSEC) licence. Without it, tunnels are limited to 1000 secure tunnels and 2508 Mbps.

Datasheet

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Manual

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