A great how to on bonding interfaces in linux operatings systemsprojects debian networking
It can be helpful to bond physical network interfaces together on physicals hosts so that software can treat multiple network connections as a single interface to while spreading the load across all members. Linux, and Debian derivatives in particular benefit from a kernel module called ifenslave. It’s referenced here: https://wiki.debian.org/Bonding.
I’ve used this for clustering storage systems, as well as VM/Container hosts to ensure consistent and fast network access. Here is some working examples below.
# # This is an example of /etc/network/interfaces # Reference this manpage for configuration options: https://www.kernel.org/doc/Documentation/networking/bonding.txt # # It is important that the interfaces listed first are # initialized first to last as described in the configuration file. # For Example to Create a logical interface(a) on top of another logical interface(b) # the logical interface(b) would need to already exist. # # Bonds Primary/Backup auto bond0 iface bond0 inet manual up ifconfig bond0 up slaves eth1 eth3 eth5 bond_mode 802.3ad bond_miimon 150 bond_downdelay 200 bond_updelay 200 auto bond1 iface bond1 inet manual up ifconfig bond1 up slaves eth0 eth2 eth4 bond_mode 802.3ad bond_miimon 150 bond_downdelay 200 bond_updelay 200 # Bonded HA auto bondha iface bondha inet manual up ifconfig bondha up slaves bond0 bond1 bond_mode active-backup bond_miimon 310 bond_downdelay 200 bond_updelay 200 # IPs in VLANs auto bondha.1 iface bondha.1 inet static up ifconfig bondha.1 up address 10.0.1.1 netmask 255.255.255.0 vlan-raw-device bondha gateway 10.0.1.254 dns-search pdx.atwlab.com dns-nameservers 188.8.131.52, 184.108.40.206, 10.0.1.254 auto bondha.100 iface bondha.100 inet static up ifconfig bondha.100 up address 10.0.100.1 netmask 255.255.255.0 vlan-raw-device bondha gateway 10.0.100.254 dns-search pdx.atwlab.com dns-nameservers 220.127.116.11, 18.104.22.168, 10.0.100.254