<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I think the latest production release of SFTOS should be 2.5.3.7<div><br></div><div><br><div><div><div>On Feb 12, 2010, at 6:35 AM, <a href="mailto:wwbach@gmail.com">wwbach@gmail.com</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; ">Thanks David. Is there a new or older version of sftos that you would recommend as more stable (assuming I could obtain it). Thanks. -- Bud</span><br>
<br><div class="gmail_quote">On Thu, Feb 11, 2010 at 10:52 PM, David Rodgers <span dir="ltr"><<a href="mailto:david@davidrodgers.com">david@davidrodgers.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div style="word-wrap:break-word">On that code rev I've experienced similar issues on occasion on certain chassis even with a single switch not stacking .... <div><br></div><div><br></div><div>David</div><div><br><div>
<div><div></div><div class="h5"><div>On Feb 11, 2010, at 6:18 PM, <a href="mailto:wwbach@gmail.com" target="_blank">wwbach@gmail.com</a> wrote:</div><br></div></div><blockquote type="cite"><div><div></div><div class="h5">
<div>We've recently picked up three used force10 SA-01-GE-48T switches. We're experiencing random issues where is seems like a significant portion of the switch stack drops connections to the devices connected. This is happening maybe a couple of times a day. </div>
<div><br></div><div>Here is some more info:</div><div><br></div><div>I only know enought to be dangerous -- we have a networking consultant working on it who probably is better with cisco gear but has some f10 experience.</div>
<div><br></div><div>The swithes are stacked using two stacking cables -- 1 to 2 and 2 to 3. This seems like this is a supported configuration (cascade) according to this web page:</div><div><br></div><div> <a href="http://www.force10networks.com/CSPortal20/TechTips/0057_HowDoIStackSSeriesUnitsTogether.aspx" target="_blank">http://www.force10networks.com/CSPortal20/TechTips/0057_HowDoIStackSSeriesUnitsTogether.aspx</a></div>
<div><br></div><div>but maybe we *need* a cable from switch 3 back to 1 (ring)?</div><div><br></div><div>All the switches are running SFTOS 2.5.2.2 with QOS, Multicast, Stacking and Routing.</div><div><br></div><div>Nothing unusual in the log. A few interfaces going up and down but not really corresponsing to when we are experiencing issues.</div>
<div><br></div><div>No errors in "show stack-port diag".</div><div><br></div><div>We took one of the switches out of the mix and things seemed to be better but not perfect.</div><div><br></div><div>When the problem occurs, everything comes back to normal after a couple of minutes. </div>
<div><br></div><div>There are several vlans configured. One vlan where most of the communication is confined to the vlan has not seemed to have any problems.</div><div><br></div><div>When the problem occurs, it seems to affect ports on multiple switches in the stack.</div>
<div><br></div><div>Spanning tree routing is enabled as is OSPF.</div><div><br></div><div>Another thing worth mentioning is that the we had some issues configurring multicast routing. We wanted to use sparse mode PIM but couldn't get it working with a cisco router. We ended up getting a multicast proxy working -- not sure what this really means. </div>
<div><br></div><div>Most of the gear attached to the stack is either broadcom of intel chipset.</div><div><br></div><div>Any ideas on how to futher debug this issue or what to look at? Thanks. -- Bud</div></div></div>
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