In vRealize Network Insight, you can configure different IP properties for better security planing and identification. Import the DNS mapping fileTo provide the information for the flows between physical devices, you can import the DNS mapping file. The supported formats for the DNS mapping file are the Bind and CSV file format. Ensure that you have placed these files in a single ZIP file. Configure Mapping Between Subnet and a VLAN You can define a mapping between subnet and a VLAN. Configure East-West IPs The IPs that are within the range of RFC1918 standard are considered private IPs. The IPs that are outside the RFC1918 are treated as Internet IPs. However, users can specify their East-West IPs (datacenter public IPs) that they want to be treated as non-Internet IPs while tagging flows and micro-segmentation, even if these are outside the private IP address range as defined by RFC1918. Configure North-South IPsThe IPs that are in the RFC1918 space are categorized as North-South IPs. The users can specify their North-South IPs while tagging flows and micro-segmentation. Parent topic: Configuring vRealize Network Insight Settings