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Stacking Dell PowerConnect 7000 Series Switches
Stacking and Redundancy
By connecting a cable from the last switch in a stack back to the first switch, the operator ensures that
a stack has the protection of redundant paths for control and data traffic, including support for LAGs
configured across multiple switches. This means that any single point of failure (a switch or a stack
cable failure) will not affect the overall operation of the remaining stack elements.
Figure 1 shows a recommended stacking configuration with a single stacking module on each switch.
Stack Configured in a Ring
Figure 1.
Recommended
Module
A
a
Cables connected in a complete ring.
Switch
1
2
3
4
5
r
Not recommended
Module
A
Cables not connected in a complete ring.
Switch
1
2
3
4
5
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