Okay. I have checked my conf files, i had used some examples found on Ubuntu website.
For ifupdown: https://help.ubuntu.com/community/UbuntuBonding#Descriptions_of_bonding_modes For nplan: https://insights.ubuntu.com/2017/07/05/quick-and-easy-network-configuration-with-netplan https://insights.ubuntu.com/2017/12/01/ubuntu-bionic-netplan I saw that i MUST define something at nic level: Error in network definition //etc/netplan/01-netcfg.yaml line 13 column 9: bond0: interface eno1 is not defined I do some other tests. This config does not work: auto eno3 iface eno3 inet manual bond-master bond1 auto eno4 iface eno4 inet manual bond-master bond1 auto bond1 iface bond1 inet manual bond-slaves eno3 eno4 bond-mode 802.3ad bond-miion 100 bond-lacp-rate fast bond-xmit_hash_policy layer2+3 Error => "bondX: Warning: No 802.3ad response from the link partner for any adapters in the bond" "Slave Interface: enoxx MII Status: down" I do some changes: removing bond parameters from e/n/i, unload bonding modules and put module parameters in "modprobe" /e/n/i (note that you MUST configure nic) auto eno3 iface eno3 inet manual bond-master bond1 auto eno4 iface eno4 inet manual bond-master bond1 auto bond1 iface bond1 inet manual bond-slaves eno3 eno4 /etc/modprobe.d/netcf.conf: alias bond0 bonding alias bond1 bonding options bonding mode=4 lacp_rate=1 xmit_hash_policy=2 miimon=100 downdelay=200 updelay=200 It WORKS !! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753431 Title: bonding does not works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nplan/+bug/1753431/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs