ExtremeSwitching X870 Stacking

The stacking-support option is enabled by default for all X870 switches. For more information, see Enabling and Disabling the Stacking-Support Option.

The stacking port selection option, which allows you to choose between native and alternate ports, is enabled by default for X870 switches. For more information, see Selecting Native and Alternate Stacking Ports.

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Stacking Methods for X870 Switches

Stacking Method Speed per Link (HDX) Cable Type and Lengths
SummitStack-V (Front panel) 10 Gbps 0.5m–40km

SFP+

Stacking Methods for X870 Switches summarizes alternate stacking support for X870 switches.

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Alternate Stacking Ports for X870 Switches

Switch Model Type or location of Native Stacking Ports Alternate Stacking Ports Location of Alternate Stacking Ports
X870-32c None 31,32 Front panel
X870-96x-8c None 31,32 Front panel