the XS1920-12 is a non bloking switch?

carlosdelvalle Posts: 3  Freshman Member

October 2018 edited August 2022 in Switch

XS1920-12 is a non bloking switch?

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  Zyxel_JonasTan Posts: 98  Zyxel Employee

  

  October 2018

  Hi @carlosdelvalle,

  
  

  Welcome to Zyxel Community!

  
  

  Kindly define your question more clearly so I could provide to the correct specification to you. Or you may describe which feature are you referring to.
  

  
  

  Best Regards,
  

  Zyxel_Jonas
  
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  PeterUK Posts: 3,754  Guru Member

  

  October 2018 edited October 2018

  If I'm right its a non blocking switch.
  

  The XS1920-12 has a Switching capacity of 240Gbps you divide that by 12 (number of ports) giving you 20Gb per port which you divide by 2 giving you 10Gb one way.

  
  

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  Zyxel_JonasTan Posts: 98  Zyxel Employee

  

  October 2018

  Thanks, @PeterUK for the explanation of switch capacity.

  But I would like to clarify the meaning of non-blocking switch, are you referring to physical stacking?

  If yes, XS1920-12 don't support physical stacking.
  

  Zyxel_Jonas
  
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  CarnegieJ Posts: 4  Freshman Member

  

  December 2018

  Additionally for reference, the XS1920 product specifications for the  may be found at this link, https://www.zyxel.com/products_services/12-port-10GbE-Smart-Managed-Switch-XS1920-Series/specification 

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  CrazyTacos Posts: 53  Ally Member

  

  January 2019

  Found this document that explains blocking/non-blocking switching:
  https://lhcb-comp.web.cern.ch/lhcb-comp/daq/postscript/switchperf_june99.pdf
  

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