adapter teaming

>     Bonding driver support
>     CONFIG_BONDING
>       Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
>       Channels together. This is called 'Etherchannel' by Cisco,
>       'Trunking' by Sun, and 'Bonding' in Linux.

>       If you have two ethernet connections to some other computer, you can
>       make them behave like one double speed connection using this driver.
>       Naturally, this has to be supported at the other end as well, either
>       with a similar Bonding Linux driver, a Cisco 5500 switch or a
>       SunTrunking SunSoft driver.

>       This is similar to the EQL driver, but it merges Ethernet segments
>       instead of serial lines.

>       If you want to compile this as a module ( = code which can be
>       inserted in and removed from the running kernel whenever you want),
>       say M here and read Documentation/modules.txt. The module will be
>       called bonding.o.

>  * This is useful to talk to a Cisco 5500, running Etherchannel, aka:
>  *    Linux Channel Bonding
>  *    Sun Trunking (Solaris)
>  *
>  * How it works:
>  *    ifconfig bond0 ipaddress netmask up
>  *      will setup a network device, with an ip address.  No mac address 
>  *    will be assigned at this time.  The hw mac address will come from 
>  *    the first slave bonded to the channel.  All slaves will then use 
>  *    this hw mac address.
>  *
>  *    ifconfig bond0 down
>  *         will release all slaves, marking them as down.
>  *
>  *    ifenslave bond0 eth0
>  *    will attache eth0 to bond0 as a slave.  eth0 hw mac address will either
>  *    a: be used as initial mac address
>  *    b: if a hw mac address already is there, eth0's hw mac address 
>  *       will then  be set from bond0.