United States
Q
What is the Cisco ISR 3800 Series Router?
A
The Cisco ISR 3800 Series is a high-performance integrated services router that combines enterprise-grade routing, security, WAN optimization, and unified communications in a modular platform.
Q
What throughput can I expect from the ISR 3800?
A
The ISR 3800 delivers up to 2 Gbps of aggregate throughput, supporting high-speed WAN connectivity and guaranteed performance with Cisco’s performance-on-demand license.
Q
Which interface modules are supported by the ISR 3800?
A
The ISR 3800 supports NIM, SM-X, and WAN Interface Cards, offering Gigabit Ethernet, T1/E1, xDSL, Serial, and 3G/4G LTE connectivity options.
Q
How does the ISR 3800 handle security?
A
The ISR 3800 integrates Cisco IOS Firewall, IPS, URL Filtering, and VPN encryption (IPsec and SSL) to protect branch offices from external and internal threats.
Q
What licensing model does the ISR 3800 use?
A
It uses Cisco’s Performance-on-Demand and Enterprise Feature licenses, enabling pay-as-you-grow performance tiers, advanced security, voice, and WAN optimization features.
Q
Can the ISR 3800 support virtualization?
A
Yes, the ISR 3800 supports Cisco IOS XE Network Virtualization, allowing deployment of multiple virtual network functions (VNFs) on a single hardware platform.
Q
What availability and redundancy features are included?
A
The ISR 3800 offers dual power supplies, stateful switchover, redundant fans, and VRRP/HSRP support to ensure continuous network uptime.
Q
How is quality of service (QoS) managed on the ISR 3800?
A
Cisco ISR 3800 provides granular QoS via Class-Based Weighted Fair Queuing, Low Latency Queuing, and traffic shaping to prioritize real-time and business-critical traffic.
Q
What VPN capabilities are available on the ISR 3800?
A
It supports site-to-site and remote-access VPN with IPsec, SSL VPN, DMVPN, GETVPN, and FlexVPN, ensuring secure connectivity across branch networks.
Q
How do I monitor and manage the ISR 3800?
A
You can use Cisco DNA Center, Cisco Prime Infrastructure, SNMP, NetFlow, and embedded event manager for centralized monitoring, configuration, and automation.
Q
What are the power and environmental requirements?
A
The ISR 3800 operates on dual AC or DC power modules, consuming 150–300 W, with operating temperatures from 0°C to 45°C and relative humidity up to 85%.
Q
How scalable is the ISR 3800 for growing networks?
A
Its modular design, up to four SM-X slots, and performance-on-demand licensing allow you to scale interfaces, services, and throughput as business needs evolve.
Q
What differentiates the ISR 3800 from the ISR 2900 Series?
A
Compared to the ISR 2900, the ISR 3800 offers higher throughput, more interface slots, enhanced virtualization, and greater service density for larger branch deployments.
Q
Which deployment scenarios suit the ISR 3800?
A
Ideal for mid-to-large branch offices, retail chains, and distributed enterprises requiring high performance, advanced security, unified communications, and WAN optimization.
Q
How do I choose the right ISR 3800 model?
A
Select based on required throughput, module count, security and voice features, and future growth—consult Cisco’s configuration guides or a certified partner for precise sizing.
Q
What support and warranty options are available?
A
Cisco offers a limited lifetime hardware warranty, SMARTnet® technical support, software updates, and rapid replacement services to maintain optimal ISR 3800 performance.
