Networking

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  September 11, 2026 • 6 min read

  VXLAN GPO Service Redirection: Firewall Insertion with a VLAN Pair Exception

  Insert a firewall on inter-VLAN and north-south traffic with GPO. Intra-VLAN stays on the fabric. VLAN10 to VLAN20 is the one bypass.

  #vxlan #security #datacenter
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  August 5, 2024 • 8 min read

  Network Design: Traditional Three-Layer vs. Clos Network

  Comparison of traditional three-layer and Clos network architectures, discussing bottlenecks, scalability, and VXLAN overlay benefits.

  #networking #datacenter #architecture
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  August 2, 2024 • 10 min read

  Customizing ACI Capacity Dashboard with Splunk

  Building custom ACI capacity monitoring dashboards using Splunk, VLAN encapsulation tracking, and scalability analysis beyond APIC limits.

  #aci #splunk #datacenter
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  July 20, 2024 • 5 min read

  Ansible Setting through Multiple Bastion Hosts

  Configure Ansible to reach network devices through multiple bastion hosts using SSH ProxyJump and local port binding techniques.

  #ansible #automation #networking
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  July 19, 2024 • 12 min read

  CISCO ACI Fabric Authentication via REST API

  Comprehensive guide to ACI APIC REST API authentication methods: token-based and signature-based with Python and Ansible automation.

  #aci #restapi #python #ansible