Bonding

Ethernet bonding (trunking), Links Aggregation

Links

• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/sec-using_channel_bonding RHEL doc about bonding]
• bonding
• Bonding interfaces
• Bonding on Debian
• Link Aggregation and High Availability with Bonding
• Link Aggregation

Commands and tools

ip link

ip link set dev bond0 etc etc

ethtool

ethtool bond0

mii-tool

mii-tool SIOCGMIIPHY on eth0 failed: Operation not supported

manpage: The interface in question does not support MII queries. Most likely, it does not have MII transceivers, at all.

Debugging

cat /proc/net/bonding/bond0 

cat /sys/devices/virtual/net/bond*/

cat /sys/class/net/bond0/bonding/miimon

FAQ

change bonding type

only works when the interfaces are down (slaves or bond??)

ip link set dev bond0 type bond mode active-backup