ArcOS Fundamentals

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The ArcOS Fundamentals Training Course provides participants with a foundational understanding of Arrcus ArcOS, a modern, programmable, microservices-based Network Operating System (NOS) designed for scalable networking across data center, edge, service-provider, and cloud environments. ArcOS supports physical, virtual, and container-based deployment models and provides standards-based programmability through technologies such as OpenConfig, YANG, NETCONF, RESTCONF, and automation frameworks.

The course introduces participants to ArcOS architecture, system access and management, interface configuration, Layer 2 and Layer 3 networking, IPv4/IPv6 routing, routing protocols, network monitoring, telemetry, security fundamentals, troubleshooting, and introductory network automation. Participants will also gain familiarity with ArcOS capabilities such as BGP, OSPF, IS-IS, VXLAN, MPLS, Segment Routing, and EVPN.

The training is intended to establish the practical foundation required for network engineers and administrators who will deploy, operate, monitor, or support ArcOS-based network environments.

 

Duration 3 Days – 21 hrs.

 

Objectives

  • Explain the purpose, architecture, and major capabilities of ArcOS.
  • Describe the role of ArcOS as a modern Network Operating System.
  • Identify the major components of the ArcOS architecture.
  • Understand physical, virtual, and container-based ArcOS deployments.
  • Navigate and use the ArcOS command-line interface.
  • Perform basic system configuration and management.
  • Configure and verify network interfaces.
  • Understand VLANs, Layer 2 switching, and link aggregation concepts.
  • Configure basic IPv4 and IPv6 connectivity.
  • Understand static and dynamic routing in ArcOS.
  • Explain the fundamentals of OSPF, IS-IS, and BGP.
  • Understand the purpose of EVPN, VXLAN, MPLS, and Segment Routing.
  • Perform basic route verification and troubleshooting.
  • Understand ArcOS management, monitoring, and telemetry capabilities.
  • Explain the fundamentals of YANG and OpenConfig models.
  • Understand how NETCONF, RESTCONF, APIs, Python, and Ansible can support network automation.
  • Apply basic ArcOS security and administrative practices.
  • Perform fundamental troubleshooting and operational verification tasks.

 

Target Audience

  • Network Engineers
  • Network Administrators
  • Network Operations Center (NOC) Engineers
  • Network Support Engineers
  • Infrastructure Engineers
  • Data Center Engineers
  • Cloud Network Engineers
  • Systems Engineers
  • Telecommunications Engineers
  • Service Provider Network Engineers
  • Network Architects requiring an introduction to ArcOS
  • DevOps and Network Automation Engineers
  • Technical Support Personnel responsible for ArcOS environments
  • IT professionals transitioning from traditional network operating systems to open and programmable networking platforms

 

Prerequisites

  • Basic knowledge of computer networking.
  • Familiarity with the TCP/IP protocol suite.
  • Basic understanding of IPv4 addressing and subnetting.
  • Basic knowledge of Ethernet, switches, and routers.
  • Familiarity with VLAN concepts.
  • Basic understanding of static and dynamic routing.
  • Basic command-line interface experience.  

Course Outline

Day 1 – ArcOS Architecture, System Fundamentals, and Basic Network Configuration

Module 1: Introduction to ArcOS and Modern Network Operating Systems

  • Evolution of traditional and open networking
  • Introduction to Arrcus and ArcOS
  • What is a Network Operating System?
  • ArcOS use cases
  • Data center, edge, service-provider, and cloud networking
  • Hardware-independent networking concepts
  • Physical, virtual, and container deployments
  • ArcOS capabilities and supported networking technologies

Module 2: Understanding the ArcOS Architecture

  • ArcOS architectural overview
  • Microservices-based architecture
  • Control plane and data plane concepts
  • ArcOS Fabric
  • Data Plane Adaptation Layer (DPAL)
  • Hardware abstraction concepts
  • Process isolation and resiliency
  • Modular networking services
  • Open Network Linux concepts
  • Programmability and automation architecture

Module 3: ArcOS System Access and CLI Fundamentals

  • Accessing an ArcOS device
  • Command-line interface overview
  • Operational and configuration concepts
  • Understanding command hierarchy
  • CLI navigation
  • Viewing system information
  • Configuration management fundamentals
  • Saving and validating configurations
  • Basic operational commands

Module 4: Interface and Basic System Configuration

  • Understanding network interfaces
  • Interface identification and status
  • Configuring interface parameters
  • Interface descriptions
  • Enabling and disabling interfaces
  • IP address configuration
  • IPv4 and IPv6 interface concepts
  • Loopback interfaces
  • Interface verification
  • Basic connectivity testing

Module 5: Layer 2 Networking Fundamentals

  • Ethernet switching concepts
  • VLAN fundamentals
  • VLAN configuration concepts
  • Access and trunk interfaces
  • MAC address learning
  • Link aggregation
  • LACP fundamentals
  • Spanning Tree concepts
  • Layer 2 verification and troubleshooting


Day 2 – IP Routing and Routing Protocol Fundamentals

Module 6: Layer 3 and IP Routing Fundamentals

  • Review of IPv4 and IPv6
  • Routing table fundamentals
  • Connected routes
  • Static routing
  • Default routes
  • Route preference and selection concepts
  • Routing Information Base (RIB)
  • Forwarding Information Base (FIB)
  • Route verification
  • Basic routing troubleshooting

Module 7: OSPF Fundamentals

  • Introduction to Interior Gateway Protocols
  • OSPF concepts and terminology
  • OSPF neighbors and adjacencies
  • OSPF areas
  • Link-state advertisements
  • Basic OSPF configuration concepts
  • Route advertisement
  • OSPF verification
  • Common OSPF troubleshooting techniques

Module 8: IS-IS Fundamentals

  • Introduction to IS-IS
  • IS-IS architecture
  • Level 1 and Level 2 concepts
  • IS-IS neighbors
  • Link-state database
  • Basic IS-IS configuration concepts
  • Route advertisement
  • IS-IS verification and troubleshooting

Module 9: BGP Fundamentals

  • Introduction to Border Gateway Protocol
  • Internal and External BGP
  • Autonomous Systems
  • BGP peers and sessions
  • BGP route advertisements
  • BGP path selection fundamentals
  • Basic routing policies
  • BGP configuration concepts
  • BGP verification
  • Common BGP troubleshooting techniques

Module 10: Introduction to Advanced ArcOS Networking Technologies

  • MPLS fundamentals
  • Segment Routing concepts
  • SR-MPLS overview
  • SRv6 overview
  • VXLAN fundamentals
  • EVPN concepts
  • BGP EVPN overview
  • IP Clos architecture
  • Spine-and-leaf networking
  • Data center networking use cases
  • Service-provider routing use cases


Day 3 – Management, Security, Telemetry, Automation, and Troubleshooting

Module 11: ArcOS System Management and Operations

  • System management fundamentals
  • User and administrative access
  • Configuration management
  • Software and image management concepts
  • Zero Touch Provisioning (ZTP)
  • System events and notifications
  • Logging fundamentals
  • Operational status monitoring
  • System health verification
  • Software upgrade concepts

Module 12: ArcOS Security Fundamentals

  • Network operating system security considerations
  • User authentication and authorization
  • Local and remote users
  • AAA fundamentals
  • TACACS+ and RADIUS concepts
  • Role-based access
  • Secure management interfaces
  • Control plane protection
  • Software image signing and verification
  • Security monitoring and auditing
  • Configuration security best practices

Module 13: Monitoring, Telemetry, and Network Visibility

  • Traditional network monitoring
  • ArcOS telemetry architecture
  • Streaming telemetry concepts
  • Network state and operational data
  • YANG-based data models
  • OpenConfig overview
  • gNMI concepts
  • Events and notifications
  • Performance monitoring
  • Fault and health monitoring
  • Introduction to ArcIQ and analytics

Module 14: ArcOS Programmability and Network Automation Fundamentals

  • Introduction to programmable networking
  • ArcOS APIs
  • YANG fundamentals
  • OpenConfig models
  • NETCONF overview
  • RESTCONF overview
  • CLI versus API-based configuration
  • Introduction to Python for ArcOS
  • Introduction to Go integration
  • Introduction to Ansible automation
  • Zero Touch Provisioning and automated deployment
  • Automation use cases for network operations

Module 15: ArcOS Troubleshooting Fundamentals

  • Structured network troubleshooting approach
  • Checking system and interface status
  • Troubleshooting interface connectivity
  • VLAN troubleshooting
  • IPv4 and IPv6 connectivity troubleshooting
  • Routing table verification
  • OSPF troubleshooting
  • IS-IS troubleshooting
  • BGP troubleshooting
  • Log and event analysis
  • Telemetry-assisted troubleshooting
  • Identifying configuration problems
  • Common operational issues
  • Configuration validation and recovery concepts

Module 16: ArcOS Fundamentals Review and Operational Best Practices

  • ArcOS architecture review
  • Configuration workflow review
  • Layer 2 and Layer 3 review
  • Routing protocol review
  • Security considerations
  • Monitoring and telemetry considerations
  • Automation opportunities
  • Operational best practices
  • Preparing an ArcOS environment for production operations

 

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