Require correct settings for ifcfg script for a /31 RFC3021 network connection

Solution Verified - Updated -

Issue

  • Unable to find assistance in creating a persistent point to point connection using a /31 network (see RFC 3021)
  • Unable to use RFC3021 31-bit netmask in networking

Environment

  • Red Hat Enterprise Linux (RHEL) 8
  • Red Hat Enterprise Linux (RHEL) 7
  • Red Hat Enterprise Linux (RHEL) 6
  • Red Hat Enterprise Linux (RHEL) 5

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