Installation Guide

Figure 211: VIM4-40G4X Port Option Card for X670V Switch
1 = QSFP+ ports (S3 and S4 are used for stacking) 2= Port LEDs
If ports 47 and 48 on an X670V switch are used as alternate stacking ports, ports 45 and 46 are not
available to use as data ports.
For a complete listing of compatible cables and optical transceivers, see the Extreme Optics
Compatibility website.
To join an X670-48x switch to an X460 switch in a stack, use SummitStack-V80 stacking.
To join an X670-48x switch to an X460-G2 switch in a stack, use SummitStack-V160 stacking.
Alternate Stacking for X670-48x and X670V Switches
Table 138 summarizes alternate stacking support for X670-48x and X670V switches.
Table 138: Alternate Stacking Ports for X670 Switches
Switch Model Type or location of Native
Stacking Ports
Alternate Stacking
Ports
Location of Alternate
Stacking Ports
X670-48x None 47,48 Front panel
X670V-48t
X670V-48x
VIM4-40G4X 47,48 Front panel
Note
• Ports 45 and 46 are not available as data ports when the alternate stacking ports are used.
• On X670V-48t switches, alternate stacking ports are fiber medium only.
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 on page 252.
Stacking Considerations for Each Switch Model
Building Stacks
270 Summit Family Hardware Installation Guide