Today i have bonded 2 links with SXT. Only 235mbps UDP is generated, the rest is real trafic.

what kind of bonding is it?..
Does anybody have active working bonding?
sure
what kind? ospf, eoip(what mode of balancing balance-rr, xor..)? which is best for 2 wireless nv2 links
what kind? ospf, eoip(what mode of balancing balance-rr, xor..)?
ethernet, balance-xor
which is best for 2 wireless nv2 links
-xor, I think. definitely not -rr
Ospf can double bandwidth?
You have already get an answer. If you don’t understand the way that ospf works, maybe you should learn.