[Bug 1860549] Re: isc-dhcp server not use configuration file options

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: isc-dhcp (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1860549

Title:
  isc-dhcp server not use configuration file options

Status in isc-dhcp package in Ubuntu:
  Confirmed

Bug description:
  in /etc/default/isc-dhcp-server describe two options
  # cat /etc/default/isc-dhcp-server 
  ....
  # On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
  #	Separate multiple interfaces with spaces, e.g. "eth0 eth1".
  INTERFACESv4=""
  INTERFACESv6=""

  But in systemctl unit files used old option, without v4/v6 suffixes

  # systemctl cat isc-dhcp-server6.service
  .....
      exec dhcpd -user dhcpd -group dhcpd -f -6 -pf /run/dhcp-server/dhcpd6.pid -cf $CONFIG_FILE $INTERFACES'

  Fix is very quick ;)

  s/INTERFACES/INTERFACESv4/ in isc-dhcp-server.service
  s/INTERFACES/INTERFACESv6/ in isc-dhcp-server6.service

  Or as workaround add old INTERFACES="" to /etc/default/isc-dhcp-server

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: isc-dhcp-server 4.4.1-2ubuntu5
  ProcVersionSignature: Ubuntu 5.3.0-26.28-generic 5.3.13
  Uname: Linux 5.3.0-26-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.2
  Architecture: amd64
  Date: Wed Jan 22 12:51:26 2020
  InstallationDate: Installed on 2020-01-18 (3 days ago)
  InstallationMedia: Ubuntu-Server 19.10 "Eoan Ermine" - Release amd64 (20191017)
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_US.UTF-8
   TERM=xterm-256color
   PATH=(custom, no user)
  SourcePackage: isc-dhcp
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.dhcp.dhcpd.conf: [modified]
  modified.conffile..etc.dhcp.dhcpd6.conf: [modified]
  mtime.conffile..etc.dhcp.dhcpd.conf: 2020-01-19T14:25:59.040443
  mtime.conffile..etc.dhcp.dhcpd6.conf: 2020-01-19T16:28:31.017125

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