CUPS creates printers with the same name but with "@some.ip.address" as a suffix in RHEL 7

Solution Verified - Updated -

Issue

  • We see the following:

    # lpstat -p
printer WS21 is idle.  enabled since Mon 25 Mar 2019 07:51:08 AM GMT
printer WS21@10.1.2.3 is idle.  enabled since Mon 25 Mar 2019 07:55:51 AM GMT
printer WS22 is idle.  enabled since Wed 30 Jan 2019 05:04:12 PM GMT
printer WS22@10.1.2.3 is idle.  enabled since Mon 25 Mar 2019 07:55:51 AM GMT
printer WK21 is idle.  enabled since Wed 06 Feb 2019 05:36:14 PM GMT
printer WK21@10.1.2.3 is idle.  enabled since Mon 25 Mar 2019 07:55:51 AM GMT
printer KPR_1 is idle.  enabled since Tue 22 Jan 2019 12:55:37 PM GMT
printer KPR_1@10.1.2.3 is idle.  enabled since Mon 25 Mar 2019 07:55:51 AM GMT
printer NLN1 is idle.  enabled since Thu 27 Apr 2017 03:29:24 PM GMT
printer NLN1@10.1.2.3 is idle.  enabled since Mon 25 Mar 2019 07:55:51 AM GMT
printer NFN2 is idle.  enabled since Thu 03 May 2012 06:36:40 PM GMT
printer NFN2@10.1.2.3 is idle.  enabled since Mon 25 Mar 2019 07:55:51 AM GMT

    Every printer name is duplicated and @10.1.2.3 is added to the queue name.

Environment

  • Red Hat Enterprise Linux (RHEL) 7 - 7.6
  • Common Unix Printing System (CUPS 1.6.3)
  • cups-filters 1.0.35-22.el7 and older

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