[Bug 1015199] Re: ifup does not work as documented with bonding interfaces

[Hendrik Volkmer]

I got this working using Stéphane's suggestion and the config mentioned
above. However, when I try to manually setup the interfaces it only
works if I bring up the slave interfaces using "ifup eth3; ifup eth4;
ifup eth5". Using "ifup bond0" prints "Waiting for a slave to join bond0
(will timeout after 60s)" and then it times out.

Either way, I think the documentation could need some clarification.
There are several different approaches  documented how to configure
bonding in Ubuntu. I tried them and none of them worked out of the box.
For example, compare https://help.ubuntu.com/community/UbuntuBonding
with the information in /usr/share/doc/ifenslave-2.6/README.Debian.gz

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https://bugs.launchpad.net/bugs/1015199

Title:
  ifup does not work as documented with bonding interfaces

Status in “ifenslave-2.6” package in Ubuntu:
  Invalid

Bug description:
  The file /usr/share/doc/ifenslave-2.6/README.Debian.gz states:

  "Using ifup on a master interface will call ifup for all slaves that are
  flagged with allow-bondX. (bondX being replaced by the master interface
  name). This will allow for extra setup for special slave interfaces."

  However I'm using this /etc/network/interfaces file:

  # The bound interface 
  auto eth3
  allow-bond0 eth3
  iface eth3 inet manual
    bond-master bond0
    bond-primary eth3 eth4 eth5

  auto eth4
  allow-bond0 eth4
  iface eth4 inet manual
    bond-master bond0
    bond-primary eth3 eth4 eth5

  auto eth5
  allow-bond0 eth5
  iface eth5 inet manual
    bond-master bond0
    bond-primary eth3 eth4 eth5

  auto bond0 
  iface bond0 inet static
    address 10.1.1.125
    network 10.1.0.0
    netmask 255.255.0.0
    broadcast 10.1.255.255
    bond-mode balance-rr
    bond-slaves eth3 eth4 eth5
    bond-miimon 100
    bond-downdelay 200
    bond-updelay 200

  and issuing the 'ifup bond0' command I get:

  root@:~# ifup bond0
  Waiting for a slave to join bond0 (will timeout after 60s)
  No slave joined bond0, continuing anyway
  ssh stop/waiting
  ssh start/running, process 9610

  As you can see no slave interface has been started.

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