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1028 | Stacking S-Series Switches
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To display the status of the stacking ports, including the topology:
Figure 50-9 shows a daisy-chain topology. Figure 50-10 shows the same stack converted to a ring by
connecting stack-port 2/51 to 0/51; you may rearrange the stacking cables without triggering a unit reset,
so long as the stack manager is never disconnected from the stack.
Figure 50-9. Displaying the S-Series Stacking Topology
Figure 50-10. Displaying the S-Series Stacking Topology
Stacking Cable Redundancy
You can connect two units with two stacking cables as shown in, in case of a stacking port, module, or
cable failure. Removal of only one of the cables does not trigger a reset.
Task Command Syntax Command Mode
Display the stacking ports.
show system stack-ports
EXEC Privilege
Stack#show system stack-ports
Topology: Daisy chain
Interface Connection Link Speed Admin Link Trunk
(Gb/s) Status Status Group
------------------------------------------------------------------
0/51 12 up down
0/52 1/50 12 up up
1/49 2/52 12 up up
1/50 0/52 12 up up
2/51 12 up down
2/52 1/49 12 up up
FTOS#show system stack-ports
Topology: Ring
Interface Connection Link Speed Admin Link Trunk
(Gb/s) Status Status Group
------------------------------------------------------------------
0/51 2/51 12 up up
0/52 1/50 12 up up
1/49 2/52 12 up up
1/50 0/52 12 up up
2/51 0/51 12 up up
2/52 1/49 12 up up