AAXSTS Details - Aruba Advanced OS-CX Switching & Troubleshooting Solutions

Detaillierter Kursinhalt

Diagnostic Principles
- Troubleshooting Principles
- Troubleshooting Zones
- Troubleshooting Components
Problem-solving methodology
- Identification and Analysis
- Hypothesis and Validation
- Implement and Verify
Log files and debugging
- Assess and set desired debugging states
- Remote logging and log rotation
- Event and Account logging
- Password reset
Diagnostic Commands
- Resource utilization
- Capacities and Environment
- Diagnostic tools and diag on-demand
- Support Files
Traffic Analysis
- Mirroring concepts and configuration
- Mirroring validation
- Wireshark setup and usage
- Wireshark display filters

REST API
- Network Automation and REST API
- REST methods
- Using the REST interface
Sending REST API Requests [
- Swagger resource reference and interface
- cURL CLI tool and library
- Postman
Network Analytic Engine
- Overview
- Scripts and agents
- Script types and sources
- NAE maximums
- Script components
- Agent functions
- Troubleshooting
Other Monitoring
- IP SLA use and configuration
- SNMPv3 use and configuration
- NetEdit topology and logs

VSF
- Overview
- Stack requirements
- Member roles and links
- Link failure and split detection
- Split stack link and member failures
VSF Troubleshooting
- Status and members
- Links and topology
- Removing a VSF member
VSX
- Overview
- Components
- Aggregation: Single routing model
- Aggegation: Multiplle VRF routing
- Virtual and System MAC guidance
VSX Best Practices
- Nodes, bandwidth, and ISL
- Roles and synchronization
- Configuration sync
- LAG and MSTP configuration
- SVI configuration
VSX Troubleshooting
- Status and LAG interfaces
- Configuration and VSX sync
- Debugging
- Configuration consistency
- Link/interface status
- MAC/peer consistency
- LACP interfaces
- Configuration parser
VSX Split Brain
- Analyze down conditions and results
- Analyze failure scenarios

Intro to Redistribution
- Overview
- Redistribute static to OSPF
- Static to OSPF configuration and validation
- OSPF Type 1 vs Type 2 routes
- Using and tuning the default metric
- Compare tuning techniques
- Prefix list tuning and validation
Redistribute OSPF to BGP
- Scenario
- Configuration
- Network statements and route maps
Advanced Route Redistribution
- Scenario
- AS-path list
- Improve BGP convergence times
- Route tags

VRF Overview and Configuration
- Overview
- Configuration
- Verification
VRF Route Leaking
- Methods
- Restrictions and limitations
- Static route leaking configuration and validation
- Dynamic route leaking configuration and validation

Multicast
- Introduction
- IP address assignments
Network Access and L2 Multicast
- Switching multicast frames
- MAC address mapping
- IGMP – v1, v2, v3
- IGMPv3 messages – membership report, querier election,
- IGMPv3 Snooping
- IGMPv3 Configuration and verification
- VSX and IGMPv3
IP Multicast at Layer 3
- Overview
- Tree types Shared/RP, source/SPF trees
- Group states
- RPF
PIM
- Versions
- Messages
PIM-SIM
- Designated Routers
- Rendezvous Point
- Build-up process
- Wireshark analysis
RP Configuration
- Static RP
- Dynamic RP
- BSR mechanism
- Wireshark analysis
- VSX and PIM
Multicast Deployment
- Overview
- PIM Configuration
- Multicast Troubleshooting

Quality of Service
- Overview
- Traffic characterization
- Differentiated Services model
- AOS-CX QoS processing
Ingress Stage
- Rate Limiting
- Configuration
- Verification
Prioritization Stage
- Classifier and Class of service
- Marking and Trust
- Configuration and Verification
- Queuing Stage
- Configuration and verification
Scheduler Stage
- Strict Priority
- DWRR and WFQ
- Configuration and verification
Remark QoS
- Configuration
- Verification

Overview
- Objective and benefits
- Port-based vs user-based tunneling
- UBT components
Understanding UBT
- Tunnel establishment
- Role assignment and redirection
- Infrastructure requirements
- Broadcast and multicast traffic
- Configuration and Wireshark analysis
- Verification commands
Deployment Using NetEdit
- Configure dynamic segmentation using NetEdit
- Verify dynamic segmentation using NetEdit

Access Control Lists
- Overview
- Applying ACLs
- Object Groups
- ACL verification
- Counting and logging
- ACL resource utilization
Classifier Policies
- Overview
- Configuration
- Application
- Verification
Control Plane Policing
- Overview
- Configuration
- Verification
Local User and Group Management
- Local AAA
- Built-in user groups
- User-defined user groups
TACACS+ Management
- Remote AAA using TACACS+
- Communication with TACACS+ server
- Configure and verify AAA using TACACS+
DHCP Snooping and ARP Inspection
- DHCP snooping configuration and verification
- Dynamic ARP operation, configuration, and verification