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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - ebtables causing packet loss"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1674#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - ebtables causing packet loss"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1674">bug 1674</a>
from <span class="vcard"><a class="email" href="mailto:ryder1ross@gmail.com" title="ryder1ross@gmail.com">ryder1ross@gmail.com</a>
</span></b>
<pre>I have around 150 VPSes on the server so I tried to apply the rules at around
10 minutes of interval without drop rules
Applied for 1 VPS
Applied for more 5 VPS at once : ebtables -L --Lx |wc -l : 107 (count of
output)
Applied for more10 VPS at once : ebtables -L --Lx |wc -l : 269 (count of
output)
Applied for more 20 VPS at once : ebtables -L --Lx |wc -l : 595 (count of
output)
--- ping statistics ---
239 packets transmitted, 234 received, 2.09205% packet loss, time 238439ms
rtt min/avg/max/mdev = 5.434/6.621/87.034/8.033 ms
--- ping statistics ---
228 packets transmitted, 228 received, 0% packet loss, time 227303ms
rtt min/avg/max/mdev = 5.436/7.445/318.067/21.496 ms
------------------------------------------------------------------------------------------
Applied for more 50 VPS at once : ebtables -L --Lx |wc -l : 1400 (count of
output)
--- ping statistics ---
212 packets transmitted, 197 received, 7.07547% packet loss, time 211530ms
rtt min/avg/max/mdev = 5.458/25.077/348.502/52.653 ms
--- ping statistics ---
204 packets transmitted, 197 received, 3.43137% packet loss, time 203383ms
rtt min/avg/max/mdev = 5.455/10.922/214.666/23.377 ms
------------------------------------------------------------------------------------------
after 20 mins
--- ping statistics ---
202 packets transmitted, 190 received, 5.94059% packet loss, time 201482ms
rtt min/avg/max/mdev = 5.447/24.766/275.033/46.939 ms
------------------------------------------------------------------------------------------
Applied for 20 VPS at once: ebtables -L --Lx |wc -l : 1753
--- ping statistics ---
205 packets transmitted, 167 received, 18.5366% packet loss, time 204985ms
rtt min/avg/max/mdev = 5.458/31.679/310.276/60.866 ms
------------------------------------------------------------------------------------------
100% ksoftirqd/57 starts to show up after around 1500 lines of output and
packet loss increases too.
RAM/CPU was free
%Cpu(s): 46.9 us, 10.6 sy, 0.0 ni, 37.8 id, 0.0 wa, 1.4 hi, 3.3 si, 0.0 st
MiB Mem : 515835.8 total, 90607.5 free, 283876.2 used, 141352.1 buff/cache
MiB Swap: 8198.0 total, 8198.0 free, 0.0 used. 223415.2 avail Mem</pre>
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