Aruba OS-CX Switching Fundamentals (HQ7A9S)

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/IPStack

• • 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 serverconfiguration 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

IPRouting - 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

IPRouting - Part 2

• • Subnetting
• • CIDR
• • Static routes
• • Administrative Distance
• • Floating routes
• • Scalability issues

IPRouting - 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