Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 158

Table 69 summarizes alternate stacking support for X620 switches.
Table 69: Alternate Stacking Ports for X620 Switches
Switch Model
X620-8t-2x
X620-10x
X620-16t
X620-16x
X620-16p
Note
The stacking ports on X620 switches do not support 10GBASE-T optics.
X670-G2 Stacking
The stacking-support option is enabled by default for X670-G2 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 X670-G2 switches. For more information, see
Stacking Ports on page 162.
Table 70: Stacking Methods for X670-G2 Switches
Stacking Method
SummitStack-V
all X670-G2 switch models
SummitStack-V80 (supported in EXOS 30.1 and
prior releases only)
model 48x-4q only
SummitStack-V160
model 48x-4q only
SummitStack-V320
model 48x-4q only
Native Stacking for X670-G2 Switches
For X670-G2 native stacking, use the 4 x 40 Gb interfaces that are fixed on the front of the switch. Use
any Extreme Networks certified 40G QSFP+ cable or optical transceiver to make the connections
among the switches to be stacked.
For a complete listing of compatible cables and optical transceivers, see the
Software Compatibility and Recommendation
X670-G2-48x-4q switches support native stacking using V160 and V320.
•
For SummitStack-V160 stacking, use ports 57 and 61.
3
Combined over paired ports
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Type or location of Native
Stacking Ports
None
None
Speed per Link (HDX)
10 Gbps
20 Gbps
40 Gbps
80 Gbps
Matrices.
Alternate Stacking Location of Alternate
Ports Stacking Ports
9,10 Front panel
15,16 Front panel
on page 149.
Selecting Native and Alternate
Cable Type and Lengths
SFP+ to SFP+
QSFP+ to QSFP+
QSFP+ to QSFP+
QSFP+ to QSFP+
Extreme Hardware/
Building Stacks
158