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LEARN ABOUT SUSE

ifcfg-bonding

IFCFG-BONDING(5)					       Network configuration						  IFCFG-BONDING(5)

NAME

       ifcfg-bonding - interface bonding configuration

SYNOPSIS

       /etc/sysconfig/network/ifcfg-bond*

Bonding Interfaces
       To setup a bonding interface you need a configuration file ifcfg-bond<X> with the usual network settings. But you must add additional vari-
       ables

       BONDING_MASTER
	      must be set to 'yes' to identify this interface as a bonding interface

       BONDING_SLAVE_<X>
	      here you specify the interface name representing the slave network interfaces.

       BONDING_MODULE_OPTS
	      contains bonding options. Here you can set interface timeouts or working modes ('mode=active-backup' for	backup	mode).	For  addi-
	      tional information take a look into the documentation mentioned at the bottom.  Note, that this options are not passed as parameters
	      to the bonding kernel module any more, but set via sysfs interface. This variable will be renamed in the feature.

       BONDING_SKIP_REMOVE_WORKAROUND
	      When set to "yes", a bonding interface will be not removed while ifdown any more to avoid problems, e.g. when some third party  ker-
	      nel module, such as Veritas 'llt' module, does not react correctly to the UNREGISTER event and does not remove its references to the
	      bonding interface causing all network related operation to stuck.

	      Note: the bonding options are not reverted when this option is enabled and it is required to either explicitly keep the old  options
	      and set them to their default setting on bonding configuration changes or to reboot.

Example
       Example for a bonding interface on eth0 and eth1 using the backup mode

       ifcfg-bond0
	  STARTMODE='onboot'
	  BOOTPROTO='static'
	  IPADDR='192.168.0.1/24'

	  BONDING_MASTER='yes'
	  BONDING_SLAVE_0='eth0'
	  BONDING_SLAVE_1='eth1'
	  BONDING_MODULE_OPTS='mode=active-backup miimon=100'

Additional Information
       For  additional	and  more  general  information  take  a look into /usr/src/linux/Documentation/networking/bonding.txt.  Maybe you need to
       install the kernel sources to get this additional documentation.

       The configuration of routes for this kind of interface does not differ from ordinary interfaces. See man routes for details.

BUGS

       Please report bugs at <http://www.suse.de/feedback>

AUTHOR

       Christian Zoz <zoz@suse.de> -- ifup script
       Wilken Gottwalt <wgottwalt@suse.de> -- ifcfg-bonding manual page

SEE ALSO

       ifcfg(5), ifup(8).

sysconfig							    April 2005							  IFCFG-BONDING(5)