Re: packets dropped when bursting traffic

Alfredo Cardigliano <[email protected]> Mon, 25 Nov 2019 09:14:19 +0100
Newsgroups gmane.linux.ntop.general
Message-ID <[email protected]>
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Hi
I replied to the other thread "[Ntop-misc] help with packet dropping =
when bursting traffic=E2=80=9D
please do not open multiple threads for the same issue,=20
and better if you use https://github.com/ntop/pf_ring/issues =
<https://github.com/ntop/pf_ring/issues>

Regards
Alfredo

> On 25 Nov 2019, at 03:20, Yong Wang <[email protected]> wrote:
>=20
> Hi there, I am struggling with a weird packet dropping situation.  My =
environment is pfring zc with intel x520 nic. Only started a pfcount to =
count received packets by one of 10Gb port of this card. Everything went =
smoothly, except when a burst traffic up to 2Gb came in, ifconfig =
reported thousands packets were dropped. The reason I called it weird =
was when the traffic remained on the level of 2Gb, no packet dropped any =
more.
> =20
> Any comment?
> =20
> =20
> =20
> _______________________________________________
> Ntop mailing list
> [email protected] <mailto:[email protected]>
> http://listgateway.unipi.it/mailman/listinfo/ntop =
<http://listgateway.unipi.it/mailman/listinfo/ntop>

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">Hi<div class=3D"">I replied to the other thread "[Ntop-misc] =
help with packet dropping when bursting traffic=E2=80=9D<br =
class=3D""><div>please do not open multiple threads for the same =
issue,&nbsp;</div><div>and better if you use&nbsp;<a =
href=3D"https://github.com/ntop/pf_ring/issues" =
class=3D"">https://github.com/ntop/pf_ring/issues</a></div><div><br =
class=3D""></div><div>Regards</div><div>Alfredo</div><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On 25 =
Nov 2019, at 03:20, Yong Wang &lt;<a href=3D"mailto:[email protected]" =
class=3D"">[email protected]</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, =
0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: Calibri, sans-serif;" class=3D""><span =
style=3D"font-size: 11pt;" class=3D"">Hi there, I am struggling with a =
weird packet dropping situation. &nbsp;My environment is pfring zc with =
intel x520 nic. Only started a pfcount to count received packets by one =
of 10Gb port of this card. Everything went smoothly, except when a burst =
traffic up to 2Gb came in, ifconfig reported thousands packets were =
dropped. The reason I called it weird was when the traffic remained on =
the level of 2Gb, no packet dropped any more.</span><span style=3D"" =
class=3D""><o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" =
class=3D""><span style=3D"font-size: 11pt;" class=3D"">&nbsp;</span><span =
style=3D"" class=3D""><o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
Calibri, sans-serif;" class=3D""><span style=3D"font-size: 11pt;" =
class=3D"">Any comment?</span><span style=3D"" class=3D""><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: Calibri, sans-serif;" class=3D""><span =
style=3D"font-size: 11pt;" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" =
class=3D""><span style=3D"font-size: 11pt;" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div></div><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant-caps: normal; font-weight: =
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text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" =
class=3D"">_______________________________________________</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant-caps: normal; font-weight: =
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text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
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12px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">Ntop mailing list</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant-caps: normal; font-weight: =
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