Installation Guide

Table 116 shows the switch models that can participate in each stacking method.
Table 116: SummitStack Methods
Stacking Method Speed per
Link (HDX)
Cable Type and Lengths Switch Models
SummitStack 10 Gbps 0.5 m, 1.5 m, 3.0 m, 5.0 m,
20 Gb Stacking Cable
X460-G2
X440, X460, X460-G2, X480
SummitStack-V 10 Gbps 0.5 m - 40 km
SFP+, XENPAK (with SR,
LR, and ER)
X440
X440-G2
X450-G2 (10G models)
X460 (with XGM3-2sf, 2xsf),
X460-G2 (1G models with VIM-2x,
VIM-2ss)
X460-G2 (10G models)
X480 (VIM2,3)
X620
X670 and X670V (ports 47 and 48),
X670-G2
X770 (ports 103,104)
SummitStack-V80
(supported in
EXOS 30.1 and
prior releases only)
20 Gbps 0.5 m - 100 m
QSFP+ only
X460 (SSv80)
X480 (VIM2,3)
X670V (VIM4-40G4X)
X670-G2-48x-4q (ports 57, 61)
SummitStack-V84 21 Gbps 0.5 m - 5 m
QSFP+ passive copper
X450-G2 (rear panel 21G stacking
ports)
SummitStack-V160 42 Gbps 0.5 m - 100 m
QSFP+ only
X460-G2 (VIM-2q)
X480 (VIM3)
X670 (VIM4)
X670-G2-48x-4q (ports 57, 61)
X770 (ports 103 and 104)
SummitStack-V160 42 Gbps 0.5 m - 100 m
QSFP+
X590
X465
X690
SummitStack-V160 40 Gbps 0.5 m - 100 m
QSFP28
X695 (ports 61, 62)
SummitStack-
V320
80 Gbps 0.5 m - 100 m
QSFP+ only
X480 (VIM3)
X670 (VIM4)
X670-G2-48x-4q (ports 49, 53, 57, 61)
X770-32q (ports 101 and 103, and 102
and 104)
SummitStack-
V400
106 Gbps 0.5 m - 20 m
QSFP28 only
X590 (ports 61, 69)
X690 (ports 61, 69)
X695 (ports 61, 62)
X870 (ports 121, 125)
3
Combined over paired ports
Available Stacking Methods Building Stacks
248 Summit Family Hardware Installation Guide