https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116053#M2693 <P>Maybe it's a stupid question, but for example with a 1x40G -&gt; 4x10G copper breakout cable, how do you tell from the four SFP+ ends of the cable which will become port 1/x/1, 1/x/2, 1/x/3 and 1/x/4, respectively? I mean without trying. I could not find any markings on the connector itself.</P> Tue, 15 Oct 2024 20:50:26 GMT jeronimo 2024-10-15T20:50:26Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116053#M2693 <P>Maybe it's a stupid question, but for example with a 1x40G -&gt; 4x10G copper breakout cable, how do you tell from the four SFP+ ends of the cable which will become port 1/x/1, 1/x/2, 1/x/3 and 1/x/4, respectively? I mean without trying. I could not find any markings on the connector itself.</P> Tue, 15 Oct 2024 20:50:26 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116053#M2693 jeronimo 2024-10-15T20:50:26Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116065#M2694 <P>Pigtails are numbered usually.</P> Wed, 16 Oct 2024 07:30:44 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116065#M2694 Ludovico_Steven 2024-10-16T07:30:44Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116076#M2699 <P>They seem to be "lettered" in this case. B=1,C=2,D=3,E=4 ? <span class="lia-unicode-emoji" title=":face_with_rolling_eyes:">🙄</span></P><P>But i've only tried one, I'll try a few more <span class="lia-unicode-emoji" title=":beaming_face_with_smiling_eyes:">😁</span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Clipboard01.jpg" style="width: 711px;"><img src="https://community.extremenetworks.com/t5/image/serverpage/image-id/8515iE1F561C27F44C88D/image-size/large?v=v2&amp;px=999" role="button" title="Clipboard01.jpg" alt="Clipboard01.jpg" /></span></P> Wed, 16 Oct 2024 13:07:11 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/breakout-cables-and-port-number/m-p/116076#M2699 jeronimo 2024-10-16T13:07:11Z