Arnel Pabustan
Network Security & Cloud Infrastructure Engineer
Hands-on labs and tutorials on AWS, Cisco ACI, SD-WAN, Firewalls, and more. Featured on YouTube: TRAININGTECHLABS.
Explore TutorialsAbout Me
Seasoned IT professional with 20+ years in networking, security, and cloud infrastructure. Passionate about sharing practical labs to bridge theory and real-world implementation.
Key Skills:
- AWS Cloud
- Routing and Switching
- Security
- Data Centre
- SDWAN
- Firewall
- Wireless
- Cisco ISE
- Cisco ACI
- F5 Loadbalancer
Certifications
- AWS Certified Solutions Architect – Associate (2025)
- VMware Certified Professional - Network Virtualization (2023)
- Cisco CCNP Security (2010)
- Fortinet FCNSA (2015)
- Microsoft MCITP: Enterprise Administrator (2009)
Tutorials & Labs
Organized by category. Click thumbnails to load videos.
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☁️ Cloud
F5 Distributed Cloud HTTP Load Balancer
Deploy Palo Alto in AWS & Initiate Traffic (Private to Public Subnet)
Manage Multiple AWS Accounts in AWS Organizations using Azure AD
Add VPCs, Subnets via Console GUI & CLI in AWS
🏢 Data Centre
Install Cisco ACI 5.1 Simulator & Register Leaf/Spine
Cisco ACI Multi Pod - Training LAB
NSX-T: Enable East-West Traffic Firewall Rules
Migrate Legacy to NSX-T n-VDS
📡 Routing
Fix Split Brain Network using BGP Prepend, Weight & Admin Distance
Configure Default Route using BGP Active/Standby Link
Exclude Advertising Selected Subnet in BGP using Prefix-List
Configure BGP Weight, MED, AS-Path & Regex
BGP Route-Map: Local Preference, Prepend & Avoid Asymmetric Routing
Configure BGP Route-Reflector & Change Weight
🌐 SD-WAN
VMware SD-WAN: Configure Edge Internet, Business Policy & Rate Limiting
VMware SD-WAN: Add Standby Orchestrator
VMware SD-WAN: Add Edge in Enterprise Network
VMware SD-WAN VeloCloud Gateway On-Prem Upgrade (3.3.1 to 3.4)
VMware SD-WAN VeloCloud Orchestrator On-Prem Upgrade (3.3.1 to 3.4)
VMware SD-WAN: Initial Configuration of VeloCloud Edge
VMware SD-WAN: Install Gateway On-Premise (Part 2)
VMware SD-WAN: Install Orchestrator On-Premise (Part 1)
🔒 VPN
Configure Cisco AnyConnect SSLVPN with AD LDAP Authentication
🤖 Automation
Network automation API call to check all network path health plus bonus tool
Deploy New Cisco Switches using Python3 Script with ISE TACACS/Radius
⚖️ Load Balancer
Configure F5 LTM
🏫 Campus
Cisco ISE: Wired/Wireless x509, TLS, Certificate Dot1x Authentication
Cisco ISE: Wireless Dot1x Authentication
📶 Wireless
Configure Cisco WLC & Migrate APs from 8.3 to 8.5
🛡️ Firewall
Migrate Legacy Transparent IPS/FW to NGFW Palo Alto (Virtual Wire)
Configure Palo Alto Latest Version
Palo Alto: Deploy & Configure Panorama
Configure Active/Passive Cisco ASA with Failover
Configure Cisco ASAv & Connect to Physical ASA
🔄 Proxy
Deploy Open-Source Squid Proxy Server
📊 Monitoring
Deploy Open-Source Security Onion in Production
Network & Server Syslog using ELK Stack (Elasticsearch, Logstash, Kibana)
Deploy LibreNMS - Open-Source Network Monitoring
Blog
Coming soon: Written guides, tips, and deep dives. Subscribe for updates!
Contact
Or reach me on LinkedIn.