Release and General Information

Release Notes: https://www.cisco.com/c/en/us/support/switches/catalyst-9400-series-switches/products-release-notes-list.html

Provides an overview of the hardware and software features introduced in every release, unsupported features, important restrictions and limitations, and open and resolved caveats with the software.

Hardware Documentation

• Hardware Installation Guide: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9400/hardware/install/b_c9400_hig.html

  Provides a functional overview of the switch, describes how to install and rack-mount the switch, and make connections to the switch. It describes how to install the power supplies and how to replace the fan tray assembly. It also includes technical specifications and troubleshooting guidance.

• Supervisor Module Installation Note: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9400/hardware/sup_install/b-c9400-sup-note.html

  Provides an overview of the available supervisor modules, major features, chassis compatibility information, slot restrictions, and describes how to correctly install and uninstall a supervisor module.

• Line Card Installation Note: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9400/hardware/sw_mod_install/b-c9400-mod-note.html

  Provides an overview of the supported line cards, major features, describes how to correctly install and uninstall a line card, and transceiver support.

• Regulatory Compliance & Safety Information Document: https://www.cisco.com/c/dam/en/us/td/docs/switches/lan/catalyst9400/hardware/regulatory/RCSI-0315-book.pdf

  Consolidated list of safety warnings relevant to Catalyst 9400 Series Switches (all chassis models), supervisor modules, line cards and any other hardware components.

Software Documentation

• Software Configuration Guide: https://www.cisco.com/c/en/us/support/switches/catalyst-9400-series-switches/products-installation-and-configuration-guides-list.html

  Provides detailed software configuration information for the features supported on the switch. These guides are release-specific.

• Command Reference: https://www.cisco.com/c/en/us/support/switches/catalyst-9400-series-switches/products-command-reference-list.html

  Provides command syntax, command history and usage guidelines for the Cisco IOS commands supported on the switch. These guides are release-specific.