Hello Assi,
Can you elaborate on "slow performance"? Slow is significantly
different than packet loss and if you're seeing loss, all performance
bets are off. What does traceroute show you in terms of latency, etc?
Tools like mtr can be very helpful too:
https://www.digitalocean.com/community/tutorials/how-to-use-traceroute-and-…
--David
KI6ZHD