Virtual Connect and HP A-Series switches (A5820) IRF Integration Guide

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Scenario 3—This configuration does not work. Configuring one port channel on a logical switch side and one SUS
on a Virtual Connect side does not move traffic forward on all four links. Virtual Connect does not support port
channels across different modules. Some links will go into standby and not form port channels.
See Appendix 2 (on page 44) for the results of this scenario.