Deployment Guide

Stacking Port Numbers
By default, each Aggregator in Standalone mode is numbered stack-unit 0. Stack-unit numbers are assigned to member switches when the
stack comes up. The following example shows the numbers of the 40GbE stacking ports on an Aggregator.
Figure 31. Stack Groups on an Aggregator
Stacking in PMUX Mode
PMUX stacking allows the stacking of two or more IOA units. This allows grouping of multiple units for high availability. IOA supports a
maximum of six stacking units.
Stacking
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