<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.apple-style-span
{mso-style-name:apple-style-span;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Tahoma","sans-serif";
color:#44546A;
font-weight:normal;
font-style:normal;
text-decoration:none none;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'>Thanks for the suggestions. I believe I checked the sfm utilization during the maintenance window, and there were no sfm errors. But we did not try powering off one at a time. We’ll have to try that.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'>TM’s didn’t throw errors and appeared clean.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'>Frank Bulk<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#44546A'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Mike Tindle [mailto:mtindle@he.net] <br><b>Sent:</b> Tuesday, September 17, 2013 4:43 PM<br><b>To:</b> Frank Bulk<br><b>Cc:</b> foundry-nsp@puck.nether.net<br><b>Subject:</b> Re: [f-nsp] Packet loss on MLXe-4<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>If you're getting loss between cards but not while traffic stays on a card, check your (h)SFMs. You can usually take one out of service without impact. You can see their load with "sh sfm-ut all" and then walk them off one at a time ("power-off snm [#]") to see if the packet loss goes away. You can also see if they're having issues with "sh sfm-link all err" but I believe that would have shown up in logs. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We've found a couple bad ones this way and they can be an absolute nightmare to discover since they'll report everything fine. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The other option could be a bad TM on a card but those usually throw errors as well. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div><div><p class=MsoNormal>Mike<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sep 17, 2013, at 1:17 PM, Frank Bulk <<a href="mailto:frnkblk@iname.com">frnkblk@iname.com</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>We inserted an MLXe-4 into a Brocade ring this morning and it didn't go so<br>well. We saw most IP video traffic (1.3 Gbps) not flow through, and when we<br>moved an inter-border router link from eth 1/2 to eth 2/2 we saw significant<br>packet loss on other Internet VLANs (all on eth 1/x). Moving it back<br>resolved the issue.<br><br>We have two SFMs and have two four-port 10G cards, one is a NI-XMR-10Gx4 and<br>the other is a BR-MLX-10Gx4-X. We also have a BR-MLX-1GCx24-X in slot 3<br>that we're not using, yet. We're running 5.4.0d and the FPGAs are at the<br>correct releases.<br><br>The ring goes in one 10G port on the one 10G card and through another 10G<br>port on the other 10G card.<br><br>Are there any compatibility issues between the two cards? Placement<br>requirements? Any obvious reasons why we experienced all that traffic loss?<br><br>Regards,<br><br>Frank<br><br><br><br>_______________________________________________<br>foundry-nsp mailing list<br><a href="mailto:foundry-nsp@puck.nether.net">foundry-nsp@puck.nether.net</a><br><a href="http://puck.nether.net/mailman/listinfo/foundry-nsp">http://puck.nether.net/mailman/listinfo/foundry-nsp</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>*----------- H U R R I C A N E - E L E C T R I C ---------->><br>| Mike Tindle | Senior Network Engineer | <a href="mailto:mtindle@he.net">mtindle@he.net</a><br>| ASN 6939 | <a href="http://www.he.net">http://www.he.net</a> | 510-580-4126<br>*--------------------------------------------------->><o:p></o:p></span></p></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>