Answering my own mail ... nice ... :) did I miss an answer ??? Meanwhile switched back to Leap15.1 and datarate is back high again. Not as high as expected but like before about 260MB/s. Thought that on TW with a newer kernel and newer OS there would be even more improvements but this seems to be contrawise. Kernel with its bonding-driver is built in OBS - right ??? So - is there something missing in the kernel-build for newer/other versions than Lp15.1 ? Maybe some feature which would be even good for 15.2 ? best, Peter Am Sonntag, den 29.12.2019, 15:54 +0100 schrieb Peter Furgala:

Hello,

after clean fresh install of tumbleweed my bond-interface (4x1Gb Intel 82576) performs only about 60MB/s.

All interfaces are up with the correct speed, no errors shown, all 4 IFs show packets with correct size, balacing mode is set correctly.

Same config with Leap 15.1 made about 260MB/s.

At the moment I operate with only one of the four interfaces up and get about 116MB/S what everyone would expect.

Someone any idea ?

best

Peter

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