[Bug 1006547] Re: vlan doesn't work properly on 12.04 server

[James Page]

Hi Claudio

I've reproduced your configuration (albeit with auto set for eth0.101 as
well) and I'm not able to reproduce your issue.

eth0.101 comes up on boot and is restarted correctly using sudo
/etc/init.d/networking restart:

sudo /etc/init.d/networking restart
 * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces
 * Reconfiguring network interfaces...                                                                                Removed VLAN -:eth0.101:-
ssh stop/waiting
ssh start/running, process 3232
Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config
Added VLAN with VID == 101 to IF -:eth0:-
ssh stop/waiting
ssh start/running, process 3341
                                                                                                               [ OK ]

The messages from your syslog would indicate that the server is not able
to retrieve a IP address from the DHCP server for eth0.101,
interestingly it does do a release:

DHCPRELEASE on eth0.101 to 192.168.101.1 port 67

but is then not offered a new address.

Please could you check the log files on your DHCP server for more
information as to why it does not response to the subsequent
DHCPDISCOVER requests.

Marking 'Incomplete' pending your response. Please set back to 'New'
once you have provided the requested information.

Thanks

** Changed in: vlan (Ubuntu)
       Status: New => Incomplete

** Changed in: vlan (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1006547

Title:
  vlan doesn't work properly on 12.04 server

Status in “isc-dhcp” package in Ubuntu:
  New
Status in “vlan” package in Ubuntu:
  Incomplete

Bug description:
  same config working only with previous distro 10.04 lts and 11.10 server 
  with 12.04 server it s working everytime , 
  example 
  command : ifup eth0.101
  with : .../interfaces:
  "auto eth0 
   iface eth0 inet dhcp 
    iface eth0.101 inet dhcp"

  but it doenst work when I restart : /etc/init.d/networking restart

  after that it stucks for a whilehere:  
  dhclient3 -e IF_METRIC=100 -pf /var/run/dhclient.eth0.101.pid -lf /var/lib/dhcp/dhclient.eth0.101.leases -1 eth0.101

  any idea  to fix it ?

  many thanks

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