ADTRAN NetVanta 4100 Series Routers

Shop ADTRAN NetVanta 4100 Series routers for secure business internet access, branch networking, WAN connectivity, VPN, VoIP, carrier-delivered services, and converged voice and data applications. Hummingbird Networks offers NetVanta 4100 Series routing solutions for organizations that need high-performance Ethernet routing, integrated switching, firewall protection, Quality of Service, and flexible business connectivity.

The ADTRAN NetVanta 4100 Series is part of ADTRAN's current NetVanta 4000 Series router portfolio and is designed for enterprise-class internet access and carrier-bundled services up to Gigabit-class connectivity. The family includes NetVanta 4148 configurations with integrated Gigabit Ethernet switching, advanced routing, security, voice-aware networking, optional VPN, and optional Enterprise Session Border Controller functionality.

Choosing the correct NetVanta 4100 Series router depends on required routing performance, WAN bandwidth, Ethernet interfaces, integrated switching, PoE requirements, firewall features, VPN, VoIP, SIP, eSBC licensing, Quality of Service, and the existing network architecture.

ADTRAN NetVanta 4100 Series Routers

The NetVanta 4100 Series is designed for business and enterprise environments that require secure Ethernet routing with integrated network services.

NetVanta 4100 Series capabilities can include:

• Gigabit Ethernet routing
• Integrated Ethernet switching
• Power over Ethernet on supported configurations
• Stateful inspection firewall
• Quality of Service
• VLAN support
• Network Address Translation
• Optional IPsec VPN
• Voice Quality Monitoring
• Optional Enterprise Session Border Controller functionality
• ADTRAN Operating System management

ADTRAN NetVanta 4148

The ADTRAN NetVanta 4148 is a fixed-port Ethernet access router designed for secure, high-speed business connectivity and carrier-bundled services.

Hummingbird Networks currently lists the NetVanta 4148 with:

• Four routed autosensing Gigabit Ethernet interfaces
• Integrated 8-port Ethernet switch
• Stateful inspection firewall
• Quality of Service
• 802.1Q VLAN trunking
• Network Address Translation
• ADTRAN Operating System
• Optional IPsec VPN
• Optional Enterprise Session Border Controller functionality
• Voice Quality Monitoring

NetVanta 4148 Gigabit Ethernet Routing

The NetVanta 4148 provides multiple routed Gigabit Ethernet interfaces for flexible WAN and LAN connectivity.

These interfaces can be used for applications such as:

• Primary business internet access
• Secondary WAN connectivity
• Carrier Ethernet services
• Separate voice and data networks
• Branch-office connectivity
• Routed internal network segments

NetVanta 4148 Integrated Ethernet Switch

The NetVanta 4148 includes an integrated 8-port Ethernet switch, allowing smaller branch and customer-premises deployments to combine routing and local Ethernet connectivity in one appliance.

Connected devices can include:

• Computers
• VoIP phones
• Wireless access points
• Printers
• Network appliances
• Other Ethernet devices

ADTRAN NetVanta 4148P

Selected NetVanta 4100 Series configurations add Power over Ethernet to the integrated switch.

PoE can simplify deployment by allowing compatible network devices to receive both data and electrical power over Ethernet cabling.

Potential PoE endpoints include:

• VoIP phones
• Wireless access points
• Other supported powered devices

NetVanta 4100 Series for Business Internet Access

ADTRAN positions the NetVanta 4000 Series for enterprise-class internet access and carrier-bundled services up to Gigabit-class connectivity.

This makes the NetVanta 4100 family suitable for organizations that need more performance than lower-bandwidth branch routers while still preferring a fixed-port business-routing platform.

NetVanta 4100 Series for Branch Offices

Branch offices can use NetVanta 4100 Series routers to combine secure WAN access, firewall protection, routing, switching, QoS, and optional voice services in a single platform.

Branch applications can include:

• Business internet
• Cloud applications
• VPN connectivity
• VoIP
• Video conferencing
• Wireless networking
• Local Ethernet devices

NetVanta 4100 Series for Enterprise Networks

Enterprise environments can use NetVanta 4100 routers for secure access at remote offices, branch sites, smaller facilities, or customer-premises locations.

Common enterprise requirements can include:

• High-speed WAN access
• Secure firewalling
• VPN
• QoS
• Voice traffic
• Multiple VLANs
• Integrated switching

ADTRAN Secure Access Routers

The NetVanta 4100 Series combines routing with security capabilities designed for business networks.

Security functions can include:

• Stateful inspection firewall
• Network Address Translation
• VPN
• Access-control policies
• Secure administration
• Network segmentation

NetVanta 4148 Stateful Firewall

The NetVanta 4148 includes a stateful inspection firewall that tracks active network sessions and applies configured security policies to network traffic.

This allows the router to provide both connectivity and an integrated layer of perimeter network security.

ADTRAN NetVanta 4100 VPN Routers

Compatible NetVanta 4100 Series configurations can support IPsec VPN functionality for encrypted business connectivity.

VPN applications can include:

• Branch-to-headquarters connections
• Site-to-site business networking
• Secure private traffic
• Distributed enterprise networks
• Carrier-managed VPN services

NetVanta 4148 IPsec VPN

Optional IPsec VPN functionality allows compatible NetVanta 4148 deployments to encrypt network traffic across public internet services.

VPN throughput should be evaluated separately from raw Ethernet port speed because encryption can affect overall router performance.

ADTRAN Quality of Service

Quality of Service allows the router to prioritize delay-sensitive traffic when network bandwidth becomes congested.

QoS is particularly useful for:

• VoIP
• Video conferencing
• Unified communications
• Cloud applications
• Interactive business systems

NetVanta 4148 Voice Quality Monitoring

The NetVanta 4148 includes Voice Quality Monitoring functionality designed to help administrators monitor the performance of VoIP traffic.

Voice monitoring can help identify problems related to:

• Latency
• Jitter
• Packet loss
• Overall call quality

NetVanta 4148 MOS Prediction

The NetVanta 4148 can provide Mean Opinion Score prediction as part of its voice-quality monitoring capabilities.

MOS provides an estimated measure of perceived voice-call quality and can help administrators identify network conditions affecting VoIP performance.

ADTRAN NetVanta 4100 for VoIP

ADTRAN designs the NetVanta 4100 Series for converged voice and data environments.

Voice-oriented features can include:

• Quality of Service
• Voice Quality Monitoring
• MOS prediction
• Optional eSBC functionality
• SIP interoperability
• Traffic prioritization

NetVanta 4148 Enterprise Session Border Controller

The NetVanta 4148 can provide optional Enterprise Session Border Controller functionality for compatible SIP and unified communications deployments.

eSBC functionality can help provide interoperability between:

• SIP service providers
• Hosted unified communications
• IP PBX systems
• SIP endpoints
• Business voice networks

What Is an ADTRAN eSBC?

An Enterprise Session Border Controller sits between an organization's internal voice environment and an external SIP communications service.

It can help provide:

• SIP interoperability
• Voice-session control
• Security
• Call routing
• Business voice integration

ADTRAN SIP Routing

Compatible NetVanta routers can support business environments where voice services are delivered over SIP rather than traditional analog or T1 circuits.

This can help organizations integrate modern voice services while maintaining centralized routing and security.

ADTRAN NetVanta 4100 for Unified Communications

Unified communications platforms combine voice, messaging, conferencing, and collaboration services.

NetVanta 4100 Series routing can support UC environments by providing secure WAN access, QoS, voice monitoring, and optional eSBC functionality.

ADTRAN NetVanta 4100 for Video Conferencing

Video conferencing can consume significant bandwidth and is sensitive to latency, jitter, and packet loss.

Quality of Service on the NetVanta platform can help prioritize real-time video traffic over less time-sensitive applications.

ADTRAN NetVanta 4100 for Cloud Applications

Cloud applications depend heavily on reliable WAN and internet connectivity.

Router selection should therefore account for:

• Internet bandwidth
• Firewall performance
• VPN
• Application traffic
• Voice and video
• Future growth

NetVanta 4100 VLAN Support

NetVanta 4100 Series routers support VLAN-based network segmentation.

VLANs can be used to separate:

• Corporate users
• Voice
• Wireless networks
• Guest networks
• Servers
• IoT devices
• Management traffic

NetVanta 4148 802.1Q VLAN Trunking

The NetVanta 4148 supports IEEE 802.1Q VLAN trunking.

VLAN trunks allow multiple logically separate networks to travel across a shared Ethernet connection between compatible network devices.

ADTRAN NetVanta 4100 NAT

Network Address Translation allows private internal IP addresses to communicate with external networks through public addressing.

NAT is commonly used in business internet deployments and can conceal internal addressing from external networks.

ADTRAN Dynamic Bandwidth Allocation

Hummingbird's current NetVanta 4148 product information identifies dynamic bandwidth allocation as a feature designed to improve utilization of available network capacity.

This can be especially useful in converged networks carrying voice and data applications with changing bandwidth requirements.

ADTRAN NetVanta 4100 Routing Protocols

NetVanta routers use standards-based routing protocols consistent with the broader ADTRAN NetVanta family.

Exact supported protocols can depend on hardware model, AOS version, and software licensing.

When replacing or upgrading a router, verify any requirement for:

• Static routing
• Dynamic routing
• Redundant gateway protocols
• Policy-based routing
• VLAN routing

ADTRAN Operating System

NetVanta 4100 Series routers use ADTRAN Operating System, commonly referred to as AOS.

AOS provides routing, security, QoS, voice, management, and other networking functionality across compatible ADTRAN platforms.

NetVanta 4100 CLI

ADTRAN routers provide command-line administration through a CLI designed around familiar enterprise-networking conventions.

CLI management can provide detailed control over:

• Interfaces
• Routing
• Firewall policies
• VLANs
• QoS
• VPN
• Voice features
• Diagnostics

NetVanta 4100 Web Management

Compatible NetVanta routers also provide web-based management for common configuration and monitoring tasks.

This can be useful for administrators who prefer a graphical interface rather than relying exclusively on command-line administration.

ADTRAN NetVanta 4100 Integrated Switching

The integrated Ethernet switch is one of the major advantages of the NetVanta 4148 for smaller branch and customer-premises deployments.

Combining routing and switching can reduce:

• Equipment count
• Rack space
• Power consumption
• Cabling complexity
• Management overhead

Integrated Switch vs. Separate Network Switch

An integrated switch can be sufficient when a branch office has relatively few wired devices.

A separate managed switch may be more appropriate when the location requires:

• More Ethernet ports
• Higher PoE capacity
• Advanced switching
• Multiple access switches
• High-speed uplinks
• Greater redundancy

ADTRAN NetVanta 4100 PoE

Selected NetVanta 4000 Series variants add Power over Ethernet to the integrated switch.

PoE allows compatible devices to receive electrical power and Ethernet connectivity over the same cable.

ADTRAN NetVanta 4100 for Wireless Access Points

A PoE-capable NetVanta router can provide power and Ethernet connectivity to compatible wireless access points in smaller deployments.

Larger wireless networks will typically use separate PoE switches to provide additional port density and power capacity.

ADTRAN NetVanta 4100 for VoIP Phones

PoE-capable router configurations can power compatible VoIP phones while QoS helps prioritize voice traffic.

This can make the NetVanta 4100 family useful in compact converged-network environments.

ADTRAN NetVanta 4100 WAN Connectivity

NetVanta 4100 Series routers can connect businesses to external networks using Ethernet-based WAN services.

Applications can include:

• Business fiber internet
• Carrier Ethernet
• Private WAN services
• Broadband
• Managed business internet

NetVanta 4148 and Fiber Internet

Business fiber internet services commonly terminate as Ethernet handoffs.

Compatible NetVanta routers can connect to these services when the Ethernet interface, routing performance, and service requirements match the deployment.

NetVanta 4148 and Carrier Ethernet

Carrier Ethernet provides business WAN connectivity using standards-based Ethernet services.

The multiple routed Gigabit interfaces on the NetVanta 4148 make it suitable for flexible Ethernet service configurations.

NetVanta 4100 for Multi-Site Businesses

Businesses operating multiple locations can standardize NetVanta routers to simplify deployment, configuration, and troubleshooting.

Standardization can help with:

• VPN design
• Firewall policies
• QoS configuration
• Software versions
• Spare equipment
• Administrator training

NetVanta 4100 for Retail

Retail sites can use business routers to support:

• Point-of-sale systems
• Cloud applications
• Voice
• Guest WiFi uplinks
• Inventory systems
• Secure corporate connectivity

NetVanta 4100 for Healthcare

Healthcare offices and branch facilities can require secure WAN connectivity for cloud applications, voice communications, administrative systems, and remote business resources.

NetVanta 4100 for Hospitality

Hospitality environments can use business routing for property-management systems, communications, guest-network uplinks, administrative applications, and cloud services.

NetVanta 4100 for Education

Education networks can deploy secure routers at remote buildings, administrative offices, branch campuses, and other locations requiring managed WAN access.

NetVanta 4100 for Service Providers

ADTRAN specifically positions the NetVanta 4000 Series for carrier-bundled business services.

Service providers can use compatible NetVanta platforms for:

• Managed internet access
• Business WAN services
• VPN
• VoIP
• Customer-premises routing
• Converged service delivery

NetVanta 4100 Router Performance

Routing performance should be evaluated separately from Ethernet interface speed.

A Gigabit Ethernet interface does not automatically mean the router can process every traffic type at a full 1 Gbps under all conditions.

Real-world throughput can be affected by:

• Firewall inspection
• VPN encryption
• QoS
• Voice services
• eSBC functionality
• Traffic patterns

Gigabit Router Port Speed vs. Throughput

Port speed: The maximum signaling rate supported by the Ethernet interface.

Routing throughput: The amount of traffic the router can process while performing configured network functions.

Always compare router performance with the actual WAN service and enabled features.

ADTRAN NetVanta 4100 Network Security

Secure routing requires more than connecting the WAN interface.

A complete network-security design can include:

• Stateful firewall rules
• VPN encryption
• VLAN segmentation
• Secure administrative access
• Network monitoring
• Software maintenance

NetVanta 4100 and Network Switches

Although the NetVanta 4148 includes an integrated switch, larger networks commonly connect the router to one or more dedicated managed switches.

A typical architecture can include:

Internet or WAN → NetVanta 4100 Router → ADTRAN Switches → Computers, Phones, Access Points & Other Devices

NetVanta 4100 and ADTRAN Wireless

ADTRAN Bluesocket wireless access points can operate behind a NetVanta router and compatible PoE switching infrastructure.

This allows organizations to combine ADTRAN routing, switching, and wireless equipment in an integrated business network.

NetVanta 4100 and UPS Protection

An appropriately sized UPS can help keep a business router online during short utility-power interruptions.

UPS protection can be especially valuable when the router supports:

• Business internet access
• VoIP
• VPN
• Cloud applications
• Remote-office connectivity

NetVanta 4100 Router Accessories

ADTRAN router deployments can require compatible:

• Rack-mount hardware
• Power supplies
• Ethernet cables
• Fiber connectivity
• Software licenses
• Support services

Always verify compatibility with the exact NetVanta model and part number.

NetVanta 4100 Software Licensing

Some NetVanta capabilities are enabled through optional software.

Depending on platform, software can add:

• IPsec VPN
• Enterprise Session Border Controller functionality
• Voice-monitoring features
• Other enhanced network capabilities

ADTRAN NetVanta 4100 Support

Support and maintenance can help organizations maintain deployed NetVanta routing equipment.

Coverage options can vary according to model, location, lifecycle status, and service level.

Replacing an ADTRAN NetVanta 4100 Router

Before replacing an existing NetVanta 4100 Series router, document:

• Exact router model
• ADTRAN part number
• WAN bandwidth
• Routed Ethernet interfaces
• Integrated switch usage
• PoE requirements
• Firewall policies
• VPN configuration
• VLANs
• QoS
• Voice Quality Monitoring
• eSBC licensing
• AOS configuration

Upgrading an Older ADTRAN Router to NetVanta 4100

A NetVanta 4100 Series platform can be considered when an older router no longer provides sufficient WAN performance, Ethernet connectivity, or integrated services.

An upgrade evaluation should consider:

• Current internet speed
• Future WAN growth
• VPN requirements
• Firewall performance
• VoIP
• Integrated switching
• PoE
• Software licensing

NetVanta 4100 vs. NetVanta 3100 Series

The NetVanta 4100 Series is designed for higher-performance business connectivity than earlier NetVanta 3100 Series deployments.

NetVanta 3100 Series: Compact secure-access routing for branch and lower-bandwidth environments.

NetVanta 4100 Series: Higher-bandwidth fixed-port routing with integrated switching and additional converged-network capabilities.

NetVanta 4148 vs. NetVanta 3140

The NetVanta 4148 and 3140 target different network requirements.

NetVanta 3140: Compact secure-access router with three routed Gigabit Ethernet interfaces and approximately 100 Mbps routing performance.

NetVanta 4148: Higher-performance fixed-port router with four routed Gigabit interfaces, an integrated 8-port Ethernet switch, and expanded converged-network capabilities.

NetVanta 4148 vs. NetVanta 3148

Both platforms include integrated switching, but the NetVanta 4148 belongs to ADTRAN's higher-tier NetVanta 4000 Series family intended for greater business and carrier-service requirements.

The correct choice depends on routed throughput, WAN service, voice requirements, switching, PoE, and software features.

How to Choose an ADTRAN NetVanta 4100 Series Router

Determine Required Routing Performance

Compare router performance with the current and expected WAN bandwidth.

Identify WAN Interfaces

Determine how the internet or carrier service will connect to the router.

Check Integrated Switching Requirements

Determine whether the built-in 8-port switch can support the site's local devices or whether separate switches are required.

Check PoE Requirements

If phones or access points need power from the router, choose a supported PoE configuration and verify the available power budget.

Determine Firewall Requirements

Document required security policies and expected inspected traffic.

Check VPN Requirements

Identify site-to-site VPN and encrypted-throughput requirements.

Identify Voice Requirements

Determine whether Voice Quality Monitoring, SIP interoperability, or eSBC functionality is required.

Verify Software Licensing

Make sure the router includes or can support any required VPN, eSBC, or enhanced features.

ADTRAN NetVanta 4100 Series Selection Checklist

Before purchasing an ADTRAN NetVanta 4100 Series router, verify:

• Exact model
• ADTRAN part number
• Required routing performance
• Internet bandwidth
• WAN interfaces
• LAN interfaces
• Integrated switching requirements
• PoE requirements
• Firewall requirements
• VPN requirements
• VLAN requirements
• QoS requirements
• Voice requirements
• Voice Quality Monitoring
• eSBC requirements
• SIP requirements
• AOS software
• Optional licenses
• Rack requirements
• Support requirements
• Future bandwidth growth

Why Buy ADTRAN NetVanta 4100 Series Routers from Hummingbird Networks?

The NetVanta 4100 Series combines routing, switching, security, QoS, and voice-oriented networking in a compact business platform, but selecting the correct configuration requires understanding WAN bandwidth, integrated switching, PoE, VPN, voice, and software requirements.

Hummingbird Networks offers ADTRAN NetVanta routing products and supporting networking infrastructure for business, enterprise, branch-office, and service-provider environments.

Customers can turn to our team for:

• ADTRAN NetVanta 4100 Series routers
• ADTRAN NetVanta 4148 routers
• PoE-capable NetVanta configurations
• ADTRAN VPN software
• eSBC licensing
• Router accessories
• Power products
• Network switching
• Wireless infrastructure
• Support and maintenance
• Product and compatibility guidance

Whether you need a NetVanta 4148 for secure business internet access, integrated branch switching, VoIP, VPN, or carrier-managed services, Hummingbird Networks can help identify the appropriate ADTRAN router configuration based on bandwidth, interfaces, security, voice, PoE, and network architecture.

Frequently Asked Questions About ADTRAN NetVanta 4100 Series Routers

What is the ADTRAN NetVanta 4100 Series?

The NetVanta 4100 Series is part of ADTRAN's current NetVanta 4000 Series business-routing portfolio and includes fixed-port Ethernet routers such as the NetVanta 4148.

What is the ADTRAN NetVanta 4148?

The NetVanta 4148 is a fixed-port Ethernet access router with four routed Gigabit Ethernet interfaces, an integrated 8-port Ethernet switch, firewall, QoS, VLAN, NAT, optional VPN, and optional eSBC functionality.

How many routed Ethernet ports does the NetVanta 4148 have?

The NetVanta 4148 provides four routed autosensing Gigabit Ethernet interfaces.

Does the NetVanta 4148 have an integrated switch?

Yes. The NetVanta 4148 includes an integrated 8-port Ethernet switch.

Does the NetVanta 4100 Series support PoE?

Selected NetVanta 4000 Series configurations add Power over Ethernet to the built-in switch.

Does the NetVanta 4148 have a firewall?

Yes. The NetVanta 4148 includes stateful inspection firewall functionality.

Does the NetVanta 4148 support VPN?

Yes. Optional IPsec VPN functionality is available for compatible NetVanta 4148 configurations.

Does the NetVanta 4148 support VLANs?

Yes. The platform supports IEEE 802.1Q VLAN trunking.

Does the NetVanta 4148 support NAT?

Yes. Network Address Translation is supported.

Does the NetVanta 4148 support QoS?

Yes. The platform includes Quality of Service functionality for delay- and jitter-sensitive traffic such as VoIP.

Does the NetVanta 4148 support VoIP?

Yes. The platform includes voice-oriented QoS, Voice Quality Monitoring, MOS prediction, and optional eSBC functionality.

What is Voice Quality Monitoring?

Voice Quality Monitoring helps administrators evaluate network conditions that can affect VoIP call quality, including latency, jitter, and packet loss.

What is MOS prediction?

Mean Opinion Score prediction provides an estimated measure of perceived voice-call quality based on network conditions.

Can the NetVanta 4148 act as an eSBC?

Yes. Optional software can provide Enterprise Session Border Controller functionality for compatible SIP and unified communications deployments.

What is an ADTRAN eSBC?

An eSBC helps provide secure SIP interoperability between a business communications environment and an external SIP service provider or hosted UC platform.

Is the NetVanta 4148 good for branch offices?

Yes. Its combination of routing, firewall, switching, QoS, and optional voice functionality makes it well suited to many branch-office deployments.

Can the NetVanta 4148 be used for business fiber internet?

Yes, when the carrier provides a compatible Ethernet handoff and the router's performance and interfaces meet the service requirements.

Can the NetVanta 4148 connect to carrier Ethernet?

Yes. Its routed Gigabit Ethernet interfaces can support compatible carrier Ethernet business services.

Is the NetVanta 4100 Series suitable for service providers?

Yes. ADTRAN positions the NetVanta 4000 Series for carrier-bundled service offerings as well as enterprise internet access.

What is the difference between NetVanta 4100 and NetVanta 3100 Series?

The NetVanta 4100 Series targets higher-performance business routing and converged networking, while the 3100 Series is associated with smaller secure-access and branch-routing platforms.

What is the difference between NetVanta 4148 and NetVanta 3140?

The NetVanta 4148 provides four routed Gigabit interfaces and an integrated 8-port switch, while the NetVanta 3140 is a smaller three-interface router designed for lower-bandwidth secure-access deployments.

Does Hummingbird Networks sell the NetVanta 4148?

Yes. Hummingbird Networks currently lists the ADTRAN NetVanta 4148 fixed-port Ethernet access router.

Can Hummingbird Networks help me choose a NetVanta 4100 Series router?

Yes. Providing WAN bandwidth, interface requirements, firewall and VPN needs, voice requirements, PoE requirements, and software licensing needs can help identify the appropriate NetVanta configuration.

Shop ADTRAN NetVanta 4100 Series Routers

Build secure, high-performance business connectivity with ADTRAN NetVanta 4100 Series routers for enterprise internet access, carrier Ethernet, branch networking, VPN, VoIP, integrated switching, and converged communications.

From the NetVanta 4148 with four routed Gigabit interfaces and integrated 8-port switching to PoE, VPN, voice-monitoring, and eSBC-capable configurations, Hummingbird Networks can help organizations select ADTRAN routing based on bandwidth, interfaces, security, voice services, software, and network architecture.