Blog
News, guides, and product updates from Obelinf.
Automated AWS Network Topology Diagram with AI
Connect AWS and Obelinf to an AI assistant, inventory cloud network resources, and turn verified records into an AWS network topology diagram.
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Best Network Topology Tools in 2026
Compare the best network topology tools for documentation, manual diagrams, automatic discovery, and live monitoring, with practical picks for different networks.
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How to Manage IP Addresses in a Homelab
A step by step tutorial: plan subnets, set DHCP reservations, and document every homelab IP address in a searchable IPAM you can start free.
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Kubernetes CIDR Planning: A Practical Guide
Plan Kubernetes Pod, Service, Node, and Load Balancer networks with practical CIDR sizing, overlap checks, growth assumptions, and a worked example.
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Multi Cloud CIDR Planning: Avoid VPC and VNet Overlaps
Plan private CIDR space across AWS VPCs, Azure VNets, and Google Cloud VPCs without creating overlaps that break peering, VPNs, or future hybrid connectivity.
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Network Documentation for SOC 2 and ISO 27001
Learn which network records support SOC 2 and ISO/IEC 27001 audits, how to organize evidence, and how to keep infrastructure documentation ready between audit cycles.
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RPKI and ROAs: Preventing BGP Route Hijacks
Learn how RPKI and Route Origin Authorizations protect BGP announcements, how VALID, INVALID, and NOT FOUND work, and how to create ROAs safely.
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Link Aggregation vs ECMP: Combining Network Links
Link aggregation and ECMP both spread traffic across multiple links, but at different layers and with different failure behavior. Learn how each works, why a bundle is not a single faster pipe, and how to combine them.
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QoS Explained: Prioritizing Traffic on Your Network
Quality of Service decides which packets go first when a link is full. Learn how classification, DSCP marking, queuing, shaping, and policing fit together, and how to build a policy that holds up under real congestion.
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DHCP Scope Exhaustion: Catch Full Pools Before Devices Fail
DHCP scope exhaustion makes devices fail to join silently. Learn how pool utilization behaves, which metrics and thresholds matter, and how to free address space before the helpdesk notices.
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Enterprise WiFi Inventory: AP Placement, Channels, and 802.1X VLANs
How to build a WiFi inventory that survives staff turnover and controller migrations: AP placement records, channel plans, SSID to VLAN mapping, and 802.1X dynamic VLAN assignment.
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IPv6 Migration: How to Design Dual Stack VLANs Step by Step
A step by step IPv6 migration plan built around dual stack VLAN design: prefix allocation per VLAN, SLAAC and DHCPv6 choices, firewall policy, and rollout order.
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