Examples of Valid Stacking Configurations
The X460-G2 accommodates the VIM-2ss SummitStack module, which provides SummitStack ports.
The examples in the following sections show various physical stacking arrangements: all switches in a
single rack, switches in two adjacent racks, and switches at the tops of several racks in a row.
Example: Basic Stack with Four Switches
This example shows a stack of four switches in a single rack.
The slot numbers presume a console connection to the switch at the top of the physical stack.
Figure 41 shows cable connections for a 4-node stack using SummitStack 40G cables to connect
switches with integrated SummitStack ports.
Figure 41: SummitStack Cable Connections Using Eight Switches with Integrated
SummitStack Ports
Table 19 lists the recommended order for connecting the stacking ports in this example.
Table 19: Basic Stack with Four Switches: Connections
Connect this slot and port . . . . . . To this slot and port
Slot 1 Stack Port 2 Slot 2 Stack Port 1
Slot 2 Stack Port 2 Slot 3 Stack Port 1
Slot 3 Stack Port 2 Slot 4 Stack Port 1
Slot 4 Stack Port 2 Slot 1 Stack Port 1
Example: Basic Stack with Eight Switches
Figure 42 shows cable connections for an 8-node stack using SummitStack 40G cables to connect
switches with integrated SummitStack ports.
Connecting the Switches to Form the Stack Ring
Building Stacks
68 ExtremeSwitching 5420 Series Hardware Installation Guide
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