08-26-2017, 05:35 PM
Hello rontant,
thanks again for your helpful info.
So this means there is no general issue and must be something on my side.
Do you really think a defect ethernet cable could explain such data?
I mean, the same cable was used when having ~600 Megabit throughput
and only ~80 Kilobit throughput. It looks like I can do this test again and again
and statistics doesn't change. When rock64 is used in client mode I do get the ~80Kb
and when used in server mode iperf reports ~600Mb. Nevertheless, I replaced
the cat6 cables with brandnew cat7 cables but result is still the same.
In the meantime I installed tcpdump on the rock64 and will do some network tracing to see
if I can figure out what's going on here. To be honest, I'm suspecting some duplex issue.
Hopefully I can get my hands on some gigabit switch to see if the fritzbox is the source of the
problem or not.
If you or anyone else has some other ideas how to find out what could have caused this issue,
I appreciate your help.
Thank you
Reinhard
thanks again for your helpful info.
So this means there is no general issue and must be something on my side.
Do you really think a defect ethernet cable could explain such data?
I mean, the same cable was used when having ~600 Megabit throughput
and only ~80 Kilobit throughput. It looks like I can do this test again and again
and statistics doesn't change. When rock64 is used in client mode I do get the ~80Kb
and when used in server mode iperf reports ~600Mb. Nevertheless, I replaced
the cat6 cables with brandnew cat7 cables but result is still the same.
In the meantime I installed tcpdump on the rock64 and will do some network tracing to see
if I can figure out what's going on here. To be honest, I'm suspecting some duplex issue.
Hopefully I can get my hands on some gigabit switch to see if the fritzbox is the source of the
problem or not.
If you or anyone else has some other ideas how to find out what could have caused this issue,
I appreciate your help.
Thank you
Reinhard