Half/Full Duplex Settings

A redundant chassis pair uses the duplex settings of the primary communication module. After a switchover, the duplex settings of the new primary communication module are used. By default, the duplex setting is set to automatic. We recommend that you use this setting whenever possible.

To avoid communication errors, configure the primary and secondary communication modules with the same duplex settings. If you use different duplex settings on partnered communication modules, then communication errors can occur after a switchover.