Why the DHCP lease is not renewed by dhclient?

Solution Verified - Updated -

Issue

  • When dhclient is in use for managing IP address assignment, it happens that the lease is not refreshed within a lease time.
  • System time is NTP synchronized and no big jumps in time happened.
  • The IP address lease expires, the address is removed from the interface and connectivity issues arise.

Environment

  • Red Hat Enterprise Linux 7
  • IP addresses assigned using DHCP by dhclient

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