Ubuntu Bonding
It's quite easy to configure network interface fail-over on Ubuntu, this feature is called bonding in the Linux kernel. Bonding allows you to do two things: fail-over and load-balancing.
To configure fail-over make sure the bonding kernel module gets loaded during the boot process, this can be achieved by editing the /etc/modules file and adding the following line:
bonding mode=active-backup miimon=100
The mode module parameter tells the bonding module what to do, either fail-over or load-balancing. The miimon module parameters defines the monitoring interval in milliseconds.
Next install ifenslave, ifenslave binds the physical slave interfaces to the master logical interface:
# apt-get install ifenslave-2.6
Finally you need to edit the /etc/network/interfaces file:
auto bond0
iface bond0 inet static
address 192.168.9.9
netmask 255.255.255.0
gateway 192.168.9.1
post-up ifenslave bond0 eth0 eth1
pre-down ifenslave -d bond0 eth0 eth1
The post-up and pre-down lines make sure the physical slave interfaces are bound and unbound when the logical master interface goes up or is being taken down.
To configure fail-over make sure the bonding kernel module gets loaded during the boot process, this can be achieved by editing the /etc/modules file and adding the following line:
bonding mode=active-backup miimon=100
The mode module parameter tells the bonding module what to do, either fail-over or load-balancing. The miimon module parameters defines the monitoring interval in milliseconds.
Next install ifenslave, ifenslave binds the physical slave interfaces to the master logical interface:
# apt-get install ifenslave-2.6
Finally you need to edit the /etc/network/interfaces file:
auto bond0
iface bond0 inet static
address 192.168.9.9
netmask 255.255.255.0
gateway 192.168.9.1
post-up ifenslave bond0 eth0 eth1
pre-down ifenslave -d bond0 eth0 eth1
The post-up and pre-down lines make sure the physical slave interfaces are bound and unbound when the logical master interface goes up or is being taken down.
posted by Pascal de Bruijn at
17:42
23 Comments:
Damn I thought this post was about male bonding when I read the title
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is this applicable also to other device types like wireless cards and dial up devices?
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