In the /etc/nf file add the following (mii): You also need to pick a mode how your bond should work, mode 0 - 3 should work with most switches, while mode 4 will require features you won't find in home switches and mode 5 - 6 will require that your NICs driver has ethtool support. Arp has the disadvantage that not all NIC drivers supports features needed for this to work. You have to decide if we want to use mii or arp monitoring of the "ports", mii is done locally and won't detect if something stopped to work remotely. This example will include 3 servers, all using 3 NICs for their bond (The servers could have more NICs or/and bonds) and they have a RedHat like Linux which uses network-scripts to configure network settings. Even if a NIC supports jumbo frames, it may not always work well in a bond together with jumbo frames.īefore you begin with setting up your bond, check that all of the components used in your bond are working properly, for broken hardware and bad cables will be slightly more difficult to detect when you are setting up your bond for the first time. It's possible to use different brands and models of NICs, in a HA setup you can have different speeds (the bond will adapt to the slowest). But what is bonding? It's shortly making X number of NICs to work as one, with the purse of increasing the throughput (HT), increase the network availability (HA) or a combination of both. Sometimes this is called port trunking and may be called for something else too, but we will use bonding.
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