`<div dir="ltr"><div>Perhaps iperf can help you for identify this problem.</div><div>When i have this sort of failure under Solaris, i use iperf for load bandwidth and set different TCP window size. During the test, i use snoop for see at what moment the problem appear come.</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2014/1/20 Tobias Oetiker <span dir="ltr"><<a href="mailto:tobi@oetiker.ch" target="_blank">tobi@oetiker.ch</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">Today Steffen Kram wrote:<br>
<br>
> Hi Tobi,<br>
><br>
> I had a similar problem a while ago, when I was resetting the<br>
> maxbw property without taking the interface down. The global<br>
> zone could not communicate over that interface anymore, while the<br>
> zones where all happy. Taking the interface down and up again<br>
> solved my issue, too.<br>
<br>
</div>hmmm ... I have not fiddled with the interface at all before ...<br>
<br>
I have now disabled HW flow-control ... maybe that helps<br>
<br>
cheers<br>
tobi<br>
<div class="HOEnZb"><div class="h5"><br>
><br>
> Cheers,<br>
> Steffen<br>
><br>
> Am 19.01.2014 um 17:26 schrieb Tobias Oetiker <<a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a>>:<br>
><br>
> > I just had an odd thing happening to my r151008 server. It suddenly<br>
> > stopped communicating over its igb0 interface ...<br>
> ><br>
> > Upon further investigation I found:<br>
> ><br>
> > a) several KVM guests talking over the same physical interface were<br>
> > still happily chatting<br>
> ><br>
> > b) logging into the guests and trying to reach the server over that<br>
> > route did not work either.<br>
> ><br>
> > c) accessing the server via the hardware console revealed that it<br>
> > was working and did not seem to realize that igb0 was having a<br>
> > problem. At least dmesg did not show anyithing interesting.<br>
> ><br>
> > once I did<br>
> ><br>
> > # ipadm down-addr igb0/v4static<br>
> > # ipadm up-addr igb0/v4static<br>
> ><br>
> > the interface started working again ...<br>
> ><br>
> > any idea what has happened here ?<br>
> ><br>
> > cheers<br>
> > tobi<br>
> ><br>
> ><br>
> > --<br>
> > Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland<br>
> > <a href="http://it.oetiker.ch" target="_blank">http://it.oetiker.ch</a> <a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a> <a href="tel:%2B%2B41%2062%20775%209902" value="+41627759902">++41 62 775 9902</a> / sb: -9900<br>
> > _______________________________________________<br>
> > OmniOS-discuss mailing list<br>
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> ><br>
><br>
><br>
<br>
--<br>
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland<br>
<a href="http://it.oetiker.ch" target="_blank">http://it.oetiker.ch</a> <a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a> <a href="tel:%2B%2B41%2062%20775%209902" value="+41627759902">++41 62 775 9902</a> / sb: -9900<br>
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</div></div></blockquote></div><br></div>
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