no vstack on switch and network to be down

[ariefwahyu30]

Can you help me for error below:

Log Buffer (4096 bytes):

ed. To disable feature execute 'no vstack' in configuration mode

Mar  9 09:53:43.597: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 10:53:47.302: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 11:53:57.971: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 12:53:59.816: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 13:54:03.016: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 14:54:07.031: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 15:54:08.612: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 16:54:08.121: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 17:54:09.383: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 18:54:17.225: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 19:54:17.463: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 20:54:17.295: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 21:54:20.832: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 22:54:21.076: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar  9 23:54:30.329: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar 10 00:54:31.698: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar 10 01:54:38.139: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

Mar 10 02:54:46.606: %SMI-5-CLIENT:  Smart Install Client feature is enabled. It is recommended to disable the Smart Install feature when it is not actively used. To disable feature execute 'no vstack' in configuration mode

[balaji.bandi]

what is the device model and IOS code running ?

when is this message start getting ? any upgrade ?

check the below bug also :

https://bst.cisco.com/bugsearch/bug/CSCvd36810

[ariefwahyu30]

This is my answer

what is the device model and IOS code running ? 

Model NameWS-C3850-24S

Software (IOS) Ver.16.6.3   Software (IOS) ImageCAT3K_CAA-UNIVERSALK9

when is this message start getting ? any upgrade ?

started today, March 10, 2023 And no upgrade

[Leo Laohoo]

Just do the command that I have provided and the log entries will stop.  

This is in relations to Cisco IOS and IOS XE Software Smart Install Denial of Service Vulnerability which was first published back in 2018.

[balaji.bandi]

you have do you upgrade and remove vstack config as mentioned

[Leo Laohoo]

conf t
 no vstack
end
wr