Blog
News, guides, and product updates from Obelinf.
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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Best Network Documentation Tools in 2026
We compared six network documentation tools, from SaaS to self hosted, across deployment, features, pricing, and operational overhead to help you choose the right one in 2026.
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Hudu Alternatives in 2026: 5 Tools Compared
Looking for alternatives to Hudu in 2026? We compare Obelinf, IT Glue, ITFlow, NetBox, and phpIPAM across documentation scope, IPAM and DCIM depth, deployment, pricing, and when each tool makes sense for your team.
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Cross Connects Explained: Meet Me Rooms, Fiber, Lead Times, and Pricing
Learn how data center cross connects work, what happens in a meet me room, which fiber type to order, how long installation takes, and what it costs.
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How to Calculate Colocation Costs: A Practical Guide
Use this colocation cost calculator guide to estimate monthly rack, power, bandwidth, cross connect, remote hands, setup, and contract costs before choosing a facility.
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