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Aruba OS-CX Switching Fundamentals

This course teaches you the fundamental skills necessary to configure and manage modern, open standards-based networking solutions using Aruba's OS-CX routing and switching technologies.



  • Network Fundamentals
    • What is a network?
    • What is a Protocol?
    • OSI Reference Model
    • Encapsulation, frames, packets, segments
    • Layer 2 to Layer 7 headers
    • Media, cabling, Ethernet/wifi headers
    • Binary/Hex/Decimal theory and conversion
    • TCP/IP Stack (IP addressing & Transport Protocols TCP/UDP)
    • Types of traffic: Unicast, Broadcast, Multicast
  • TCP/IP Stack
    • Overview
    • Ethernet frames
    • IPv4 Header
    • TCP Header – Three-way Handshake
    • TCP Header – Sequence Numbers
    • TCP Header – Port Numbers
    • TCP Header
    • UPD Header
  • Basic Networking with Aruba Solutions
    • Networking devices: Switches, Routers, Multilayer Switches, APs, Mobility Controllers, Firewalls, Servers (HTTP, DHCP, DNS, Telnet, FTP)
    • 2-Tier vs 3-Tier hierarchy
    • Switching Portfolio (AOS switches & AOS-CX switches) is this introducing both portfolio on a couple of slide and few slides on AOS-CX hardware architecture, software architecture and intro to NAE high level.     
    • Introduction to AOS-CX and feature set
    • Port numbering
    • Accessing Aruba OS-CX CLI
    • Prompt modes/levels and navigation
    • Context sensitive help
    • Show logs, configuration, interfaces, transceivers, flash, version
    • Hostname/interface name, enabling interfaces
    • Link Layer Discovery Protocol
    • ICMP and reachability testing tools: Ping and Traceroute
    • PoE (standards one slide and what we support and one or two slide on configuration and verifications.)
  • VLANs
    • Broadcast/collision domains
    • VLAN benefits
    • VLAN creation
    • DHCP server configuration in switches (optional)
    • 802.1Q tagging
    • Switchports vs. Routed ports
    • MAC address table
    • ARP table
    • Packet Delivery part 1
  • Spanning Tree Protocol
    • Redundant network
    • L2 loops
    • 802.1D
    • Common Spanning Tree
    • 802.1s
    • 802.1w overview
    • 802.1w load balancing
    • 802.1w region configuration
  • Link Aggregation
    • Static Aggregation
    • LACP
    • Load Balancing
  • IP Routing - Part 1
    • Default Gateway
    • DHCP IP Helper Address
    • IP Routing Service
    • Inter-VLAN routing
    • Packet Delivery Part 2
    • Need for layer 3 redundancy
    • Introduction to VRF
  • VRRP
    • VRRP overview
    • VRRP basic operation
    • VRRP failover and preempt
    • VRRP and MSTP coordination
  • IP Routing - Part 2
    • Subnetting
    • CIDR
    • Static routes
    • Administrative Distance
    • Floating routes
    • Scalability issues
  • IP Routing - Part 3
    • IGP vs EGP
    • Distance Vector vs Link State
    • OSPF Router-ID and Hello Messages
    • Passive interfaces
    • States
    • DR and BDR
    • LSDB: LSA 1 and 2
    • Path selection and convergence
    • Using cost to manipulate routes
  • Stacking
    • Control Plane, Management Plane, and Data Plane
    • Introduction to Stacking technologies
    • Stacking Benefits
    • Centralized control and management plane
    • Distributed Data Plane and Distributed Link Aggregation
    • VSF
    • VSF requirements
    • VSF Link and member roles
    • VSF member IDs and port numbers
    • VSF Configuration
    • VSF Provisioning use cases
    • Tracing Layer 2 traffic: Unicast
    • Tracing Layer 2 traffic: Broadcast, Multicast, and Unknown Unicast
    • VSF Failover and OSFP Graceful-Restart
    • VSF Link failure without MAD
    • MAD
    • VSX Introduction
  • Secure Management and Maintenance
    • OOBM port
    • Management VRF
    • Secure Management Protocols: AAA, SSH, HTTPS, RBAC
    • Radius-based management auth (VSA)
    • SNMP
    • Web interface
    • Configuration file management (Backup, restore, checkpoint and roll back)
    • Operating System image management (backup and restore)
    • Factory default/password recovery
  • AOS-CX Management tools
    • Intro to NetEdit
    • NetEdit installation
    • Basic monitoring with NetEdit
    • AOS-CX Mobile App



Experience and knowledge of the OSI Model, IP Addressing and Subnettting, TCP/UDP, VLANs, Spanning Tree and Routing would be beneficial.

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