<p dir="ltr">Sorry, my email client keeps using the wrong from address for this list.</p>
<div class="gmail_quote">On May 18, 2016 8:07 AM, "Eldon Koyle" <<a href="mailto:ekoyle@gmail.com">ekoyle@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">You can run 40G without stacking on the 7750, although you may need to change some default stacking settings. What code version are you running?</p>
<p dir="ltr">I suspect support for third-party breakout cables is very limited.</p>
<p dir="ltr">-- <br>
Eldon Koyle</p>
<div class="gmail_quote">On May 18, 2016 3:20 AM, "Franz Georg Köhler" <<a href="mailto:lists@openunix.de" target="_blank">lists@openunix.de</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello everyone,<br>
<br>
<br>
we recently installed our first ICX7750 in Breakout-Mode.<br>
<br>
While it was at first suprising for us that this switch can only either break out 40G into 4x10G or enable stacking, I see an interesting phaenomenon with the transceivers in breakout mode:<br>
<br>
Our (third party) transceivers do not work in breakout mode while they work fine in 40G-mode.<br>
Does anybody have an idea why this is the case? Is there any feature on the transceiver required for the breakout mode?<br>
<br>
This is what show media looks like with two identical transceivers (port 6 is in breakout mode):<br>
<br>
Port 1/2/1: Type : EMPTY<br>
Port 1/2/2: Type : EMPTY<br>
Port 1/2/3: Type : 40GE-SR4 100m (QSFP+)<br>
Port 1/2/4: Type : EMPTY<br>
Port 1/2/5: Type : EMPTY<br>
Port 1/2/6:1: Type : 40GE-SR4 100m (QSFP+) (Not supported)<br>
Port 1/2/6:2: Type : 40GE-SR4 100m (QSFP+)<br>
Port 1/2/6:3: Type : 40GE-SR4 100m (QSFP+)<br>
Port 1/2/6:4: Type : 40GE-SR4 100m (QSFP+)<br>
<br>
<br>
Best regards,<br>
<br>
Franz Georg Köhler<br>
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