Importing subnets to IPAM from IGP routing protocols explained.


When importing Subnets into IPAM from routing protocols Nectus apply following rules:

  1. Only subnets from IGRP routing protocols (EIGRP, OSPF, ISIS, RIP) are being considered for import.
  2. Nectus will not import subnets from iBGP  or eBGP.
  3. Nectus start importing subnets in the order from smallest to largest:  /32 ,   /31, then /30, then /29…etc.  This is done to give individual subnets priority over  summaries.
  4. Every imported subnet is validated against overlapping with existing subnets.
  5. Nectus will not import subnets that overlap with any of the existing subnets.
  6. Nectus will only import subnets that fall into defined IPAM address space.
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