Summit X460 Stacking

The stacking-support option is disabled by default for Summit X460 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 X460 switches. For more information, see Selecting Native and Alternate Stacking Ports.

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Stacking Methods for X460 Switches

Stacking Method Speed per Link (HDX) Cable Type and Lengths
SummitStack

(rear panel, with module)

10 Gbps 0.5m, 1.5m, 3.0m, 5m

20 Gb Stacking Cable

SummitStack-V80

(with SSv80)

20 Gbps 0.5m–100m

QSFP+ only

SummitStack-V

(with XGM3-2sf, XGM3S-2sf, XGM3S-2xf)

10 Gbps 0.5m–40km

SFP+, XFP

For X460 native stacking, install a VIM2-SummitStack or VIM2-SummitStack-V80 port option card into the rear of the switch.

The VIM2-SummitStack port option card requires standard SummitStack cables.
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VIM2-SummitStack Port Option Card
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The VIM2-SummitStack-V80 port option card uses 40G QSFP+ cables to make the stacking port connections.
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VIM2-SummitStack-V80 Port Option Card
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For a complete listing of compatible cables and optical transceivers, see the Extreme Hardware/Software Compatibility and Recommendation Matrices.

To use alternate stacking on a Summit X460 switch, you must install an XGM3-2sf, XGM3S-2sf, or XGM3S-2xf port option card to add 10-Gbps ports to the switch. Alternate Stacking Ports for X460 Switches shows which port option cards are compatible with each X460 switch model for alternate stacking.

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Alternate Stacking Ports for X460 Switches

Switch Model Type or location of Native Stacking Ports Alternate Stacking Ports Location of Alternate Stacking Ports
X460-24t

X460-24x

X460-24p

SummitStack module or

SummitStack-V80 module

S1,S2

(29,30)

XGM3-2sf or

XGM3S-2sf or

XGM3S-2xf

X460-48t

X460-48p

SummitStack module or

SummitStack-V80 module

S1,S2

(53,54)

XGM3-2sf or

XGM3S-2sf or

XGM3S-2xf

X460-48x SummitStack module or

SummitStack-V80 module

S1,S2

(49,50)

XGM3S-2sf or

XGM3S-2xf