Re: Bonding- modprobe.conf items
On 24/09/2008, at 7:36 AM, James Cammarata wrote:
On Tue, 23 Sep 2008 16:31:27 -0500, Dave Augustus <davea(a)support.kcm.org
>
wrote:
> Just saw this in one of my servers in /etc/modprobe.conf
>
> alias bond0 bonding
> alias bond1 bonding
> options bonding mode=active-backup max_bonds=2
>
>
> Here is the explanation of the bonding modes:
>
> # bonding modes:
> # 0 sets a round-robin policy for fault tolerance (FT) and load
> balancing (LB)
> # 1 sets an active-backup policy for FT
> # 2 sets an xor (exclusive-or) policy for FT and LB
> # 3 sets a broadcast policy for FT
> # 4 sets an IEEE 802.3ad dynamig link aggregation policy
> # 5 sets a transmit load balancing (TLB) policy for FT and LB
> # 6 sets an active load balancing (ALB) policy for FT and LB
> #
There are a few more options than even this, for instance in our
configs
where we have active-backup we specifically set which nic is the
primary
interface. Not sure if we want to account for all possible options,
but
there are more.
You can also add the options to the ifcfg-bond0 file as below:-
DEVICE=bond0
ONBOOT=yes
BOOTPROTO=static
IPADDR=<ip address>
NETMASK=255.255.255.0
BONDING_OPTS="mode=active-backup miimon=100"
Some documentation can be found here
http://www.id.ethz.ch/about/sections/kom/dkid/themas/link-aggregation/bon...
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