Chapter 3: Summit Option Cards and Versatile Interface Modules
Summit Family Switches Hardware Installation Guide
164
VIM1-SummitStack Versatile Interface Module
The VIM1-SummitStack versatile interface module (Figure 121) provides four cages for installed
1000-BASE SFP optical modules. These ports (numbered 25 through 28) function the same as the
front-panel ports. For a complete list of supported SFPs, refer to the most recent version of the
ExtremeXOS Hardware and Software Compatibility Matrix.
The VIM1-SummitStack module also provides two high-performance stacking ports that allow you to
combine multiple units into a single SummitStack management entity. The VIM1-SummitStack module
is the default VIM1 module shipped with the base Summit X650 platform. Ports 23 and 24 of the front
panel are shared with the two rear-panel stacking ports on the VIM1-SummitStack module.
By default, stacking is not enabled on the switch, and all 24 front-panel ports are available. When
stacking is enabled, the switch provides access to 22 10GBASE ports and 2 stacking ports. For more
information about configuring and operating a SummitStack configuration, refer to the ExtremeXOS
Concepts Guide and the ExtremeXOS Command Reference Guide.
Figure 121: VIM1-SummitStack Versatile Interface Module
VIM1-SummitStack512 Versatile Interface Module
The VIM1-SummitStack512 versatile interface module (Figure 122) provides four 128-Gbps stacking
ports that are used to cross-connect two Summit X650 series switches. Each switch must have an
installed VIM1-SummitStack512 module. To connect these ports, you must use stacking cables with
compatible connectors, available from Extreme Networks.
The VIM1-SummitStack512 module requires ExtremeXOS 12.3.3 software (or later) installed on the
Summit X650 series switch.
Figure 122: VIM1-SummitStack512 Versatile Interface Module
SFP ports
LEDs Stacking ports
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