Extreme Networks ExtremeSwitching 210-12t-GE2 Hardware Installation Manual page 57

Stacked Switches Across Two Racks
The following example shows four switches physically located in two adjacent racks.
In this example, start by connecting the top switches together (slots 1 and 2). The first switch you power
on will be designated the stack manager, and the second will be the standby.
Figure 45: Cable Connections for Four Switches in Two Racks
Table 9 lists the recommended order for connecting the stacking ports in this example.
Table 9: Stacked Switches Across Two Racks: Recommended Connections (48-Port
Switches)
Connect this slot and port . . .
Slot 1 Rack A
Slot 2 Rack B
Slot 3 Rack A
Slot 4 Rack B
Note
If you are stacking 24-port switches, make the connections through SFP+ ports 25 and 26.
If you are stacking 12-port switches, make the connections through SFP+ ports 13 and 14.
Stacked Switches Across Several Racks
In this example, four switches are installed at the tops of four adjacent racks. Port 50 on each switch is
connected to Port 49 on the next switch. Port 50 on the last switch is connected to Port 49 on the first
switch.
Figure 46: Cable Connections for Stacked Switches Across Several Racks
Table 10 lists the recommended order for connecting the stacking ports in this example.
ExtremeSwitching 210 and 220 Series Switches: Hardware Installation Guide
Port 50 Slot 3
Port 50 Slot 1
Port 50 Slot 4
Port 50 Slot 2
Building Stacks
. . . To this slot and port
Rack A Port 49
Rack A Port 49
Rack B Port 49
Rack B Port 49
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