Re: [B.A.T.M.A.N.] No bandwidth over wired Batman mesh network

Linus Lüssing
2017-08-10T02:43:54Z

On Wed, Aug 09, 2017 at 08:31:43AM +0200, Mattias Vanhoutte wrote:
> So here I see a large drop of the TCP bandwidth by using batman 430 -> 125
> Mbit/s. Is this normal behavior?

Could be. Especially if you haven't increased the MTU on eth0 or
lowered the MTU on bat0 to avoid the batman-adv internal
frame fragmentation. See the warning displayed in "dmesg | grep
batman-adv" :-). 32bit ARM might not be fast enough to fragment
frames at a rate of 430Mbit/s.