The 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.

To specify North-South IPs:
  1. On the top-right corner of Home page, click The Profile icon, and then click Settings.
  2. In the Settings section, under IP Properties and Subnets, click North-South IPs.
  3. In the IP Addresses box, enter specific IPs, or IP ranges, or subnets.
  4. Click Save. The IP Addresses Saved confirmation message is displayed upon successful saving.