https://community.extremenetworks.com/t5/extremeswitching-exos-switch/stack-speed/m-p/94352#M21718 <P>Traffic that comes in on one slot but leaves another will cross the stacking backplane and will consume stacking bandwidth. If you have many devices on one slot that must communicate with devices on another, you should consider that bandwidth and choose a stacking solution accordingly.&nbsp;<BR /><BR />The V### Notation indicates the total stacking bandwidth and is effectively the Stack Port Speed x 2&nbsp;(Full Duplex) x 2&nbsp;(2 Stacking Cables), IE V400 stacking uses 100G Links.</P><P>&nbsp;</P><P>The HW Install Guides have a lot of good info on stacking:</P><P><A href="https://documentation.extremenetworks.com/extremeswitching/downloads/EXOS30_HWInstall.pdf" target="_blank">ExtremeSwitching Hardware Installation Guide - for Switches Using ExtremeXOS Version 30 (extremenetworks.com)</A></P> Tue, 10 Jan 2023 15:06:31 GMT Gabriel_G 2023-01-10T15:06:31Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/stack-speed/m-p/94341#M21715 <P>When do you need to take Stacking Speed into consideration?&nbsp; Like is there a situation where it's better to have 40G over 20G?&nbsp; In what situation would you want the SummitStack-V400 speed?</P> Mon, 09 Jan 2023 17:05:19 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/stack-speed/m-p/94341#M21715 troy_alan 2023-01-09T17:05:19Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/stack-speed/m-p/94352#M21718 <P>Traffic that comes in on one slot but leaves another will cross the stacking backplane and will consume stacking bandwidth. If you have many devices on one slot that must communicate with devices on another, you should consider that bandwidth and choose a stacking solution accordingly.&nbsp;<BR /><BR />The V### Notation indicates the total stacking bandwidth and is effectively the Stack Port Speed x 2&nbsp;(Full Duplex) x 2&nbsp;(2 Stacking Cables), IE V400 stacking uses 100G Links.</P><P>&nbsp;</P><P>The HW Install Guides have a lot of good info on stacking:</P><P><A href="https://documentation.extremenetworks.com/extremeswitching/downloads/EXOS30_HWInstall.pdf" target="_blank">ExtremeSwitching Hardware Installation Guide - for Switches Using ExtremeXOS Version 30 (extremenetworks.com)</A></P> Tue, 10 Jan 2023 15:06:31 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/stack-speed/m-p/94352#M21718 Gabriel_G 2023-01-10T15:06:31Z