Command Reference Guide

28 | CLI Basics
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Determining the Chassis Mode
The chassis mode in FTOS determines which hardware is being supported in an E-Series
chassis. The chassis mode is programmed into an EEPROM on the backplane of the chassis
and the change takes place only after the chassis is rebooted. Configuring the appropriate
chassis mode enables the system to use all the ports on the card and recognize all software
features.