Installation Guide

information on which cables to use with each type of Summit family switch, see Selecting
Stacking Cables on page 281.
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 on page 252.
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 on page 275.
Table 125: 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.
Figure 207: VIM2-SummitStack Port Option Card
The VIM2-SummitStack-V80 port option card uses 40G QSFP+ cables to make the stacking port
connections.
LED Stacking port
SH_239
Figure 208: VIM2-SummitStack-V80 Port Option Card
Stacking Considerations for Each Switch Model
Building Stacks
260 Summit Family Hardware Installation Guide