[Bug 1541544] Comment bridged from LTC Bugzilla

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------- Comment From heinz-werner_seeck at de.ibm.com 2017-01-10 07:03 EDT-------
IBM Bugzilla -> closed

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https://bugs.launchpad.net/bugs/1541544

Title:
  ubuntu-installer makes a contradictional statement regarding
  layer2/layer3

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in debian-installer package in Ubuntu:
  Fix Released

Bug description:
  == Comment: #0 - Thorsten Diehl <thorsten.diehl at de.ibm.com> - 2016-02-03 12:05:19 ==
  When I configure a qeth OSA device, the installer asks for device type, device and protocol layer:

  Please choose the type of your primary network interface that you will need for 
   
  installing the Debian system (via NFS or HTTP). Only the listed devices are   
  supported.  
  Network device type:  
    1: ctc: Channel to Channel (CTC) or ESCON connection,      
    2: qeth: OSA-Express in QDIO mode / HiperSockets,      
    3: iucv: Inter-User Communication Vehicle - available for VM guests only,     
   
    4: virtio: KVM VirtIO,      
  Prompt: '?' for help> 2
  2  
    
  Please select the OSA-Express QDIO / HiperSockets device.  
  Device:  
    1: 0.0.f5f0-0.0.f5f1-0.0.f5f2  [*],  
  Prompt: '?' for help, default=1> 1
  1  
    
  By default OSA-Express cards use layer3 mode. In that mode LLC headers are   
  removed from incoming IPv4 packets. Using the card in layer2 mode will make it
  keep the MAC addresses of IPv4 packets.  
  Use this device in layer2 mode?  
    1: Yes [*]  2: No  
  Prompt: '?' for help, default=1> 

  The last question experienced a change according to https://bugs.launchpad.net/ubuntu/+source/s390-netdevice/+bug/1526801
  Layer2 is the default, which is correct, since the qeth driver uses layer2 as default as well.

  However, the introductional text says: "By default OSA-Express cards
  use layer3 mode."

  And this is wrong and needs to be fixed. Correct wording is:

  "By default OSA-Express cards use layer2 mode. In layer3 mode LLC headers are   
  removed from incoming IPv4 packets. Using the card in layer2 mode will make it   
  keep the MAC addresses of IPv4 packets."

  == Comment: #2 - Thorsten Diehl <thorsten.diehl at de.ibm.com> - 2016-02-03 12:08:52 ==
  Although LP 1526801 deals with this subject, it is different.
  LP 1526801 is implemented and closed. Now the documentational part in the installer needs to follow that. Thus I recommend to treat this as a separate bug.

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