ApexDiagramBeta
FeaturesPricingHelpCommunityBlogLog inJoin the beta

ApexDiagram Blog

Network documentation that stays current: practical guides, compliance diagrams, honest comparisons, and help for students and homelabs.

IPAM
  • All categories
  • AI
  • announcement
  • ApexDiagram
  • API
  • Auvik
  • cabling
  • CCNA
  • CDP
  • checklist
  • Cisco
  • Claude
  • CMMC
  • comparison
  • compliance
  • Containerlab
  • CUI
  • Dashboard API
  • data-flow diagram
  • defence contractors
  • DHCP
  • draw.io
  • education
  • export
  • features
  • handover
  • homelab
  • how-to
  • ICS
  • IEC 62443
  • industrial networks
  • IP addressing
  • IP conflict
  • IPAM
  • IT documentation
  • lessons learned
  • linter
  • LLDP
  • logical diagram
  • Lucidchart
  • MCP
  • Meraki
  • migration
  • MSP
  • NetBox
  • network automation
  • network design
  • network diagram
  • network discovery
  • network documentation
  • network map
  • NIST 800-171
  • nmap
  • NTM
  • onboarding
  • OPNsense
  • OSI model
  • OT security
  • outage
  • PCI DSS
  • pfSense
  • physical diagram
  • Purdue model
  • self-hosting
  • small business
  • small office
  • SME IT
  • SolarWinds
  • source of truth
  • students
  • subnetting
  • switches
  • template
  • tutorial
  • Ubiquiti
  • UniFi
  • Visio
  • VLAN
  • VLSM
  • water utilities
  • zones and conduits
4 October 2026

From a pfSense or OPNsense backup to a network diagram in one drop

Your firewall already knows every VLAN, subnet and DHCP reservation. Import config.xml and get a Logical view and IPAM page from it.

ApexDiagram·2 min read
The IPAM tab: utilisation and next free address

Follow along with the RSS feed.

© 2026 ApexDiagram. One network graph, four synchronized views.

PricingHelp centreFeature requestsBlogPrivacyTermsSecurityAPI referenceContact