Continuing the discussion from
What's the meaning of the following nlbwmon error messages [solved]:
I have the same settings, I restart nlbwmon nightly and... the wretched error message is still there!
My 4040 still has about 60MB RAM free, so I guess I could raise the buffer size still further but it's already a ludicruous amount!
Anything else to check?
The buffer size is capped by a global sysctl which nlbwman cannot raise by itself. Did you adjust the
net.core.rmem_max sysctl as well? See the following thread for details:
Ended up making the following changes and it all seems to be working fine now:
option refresh_interval '10s'
option netlink_buffer_size '67108864'
# cat /etc/sysctl.d/99-user.conf
The overflow or some other issue might still exist for very high speed links, but the changes above worked around whatever issues I experienced before.
Nope, I missed that, thanks!
Current values are 180224, I'll raise them and check in a couple of days.
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