Preventing Switch Stack Problems - Cisco Catalyst 9400 System Management Configuration Manual

Troubleshooting the Software Configuration
The device file system appears.
Step 3
Boot up the system:
Device: boot
You are prompted to start the setup program. To continue with password recovery, enter N at the prompt:
Continue with the configuration dialog? [yes/no]: N
Step 4 At the device prompt, enter privileged EXEC mode:
Device> enable
Step 5 Enter global configuration mode:
Device# configure terminal
Step 6
Change the password:
Device(config)# enable secret password
The secret password can be from 1 to 25 alphanumeric characters, can start with a number, is case sensitive,
and allows spaces but ignores leading spaces.
Step 7
Return to privileged EXEC mode:
Device(config)# exit
Device#
Note
Step 8 Write the running configuration to the startup configuration file:
Device# copy running-config startup-config
The new password is now in the startup configuration.
Step 9 You must now reconfigure the device. If the system administrator has the backup device and VLAN
configuration files available, you should use those.

Preventing Switch Stack Problems

To prevent switch stack problems, you should do the following:
• Make sure that the device that you add to or remove from the switch stack are powered off. For all
Before continuing to Step 9, power on any connected stack members and wait until they have
completely initialized.
powering considerations in switch stacks, see the "Switch Installation" chapter in the hardware installation
guide.
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
Preventing Switch Stack Problems
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