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02-07-2018 03:59 AM - edited 03-08-2019 01:44 PM
Hello everybody,
I'm trying to disable at all vstack on a C3560 and the command "no vstack" doesn't work.
Does anybody know how to disable it? and close the port 4786?
PORT STATE SERVICE 4786/tcp open unknown
Switch(config)#no vstack % Incomplete command. Switch(config)#no vstack ? basic Enable vstack director config Configure default configuration file dhcp-localserver Configure vstack dhcp parameters director Configure director's IP address group Configure a group for vstack hostname-prefix Specify hostname prefix for Client image Configure default image file join-window Configure time interval to enable director vlan Configure vstack management vlan
Thank you!!!
Solved! Go to Solution.
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04-19-2018 12:05 AM
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04-19-2018 08:41 AM
You need to apply the ACL blocking the port on VLAN1. Documentation in this thread shows an example. NOTE that if you have an older version of IOS that has VSTACK there, but not able to be disabled, the blocking of the port with the ACL is your only option, SHORT of upgrading your device to a newer IOS that actually has the DISABLE command.
Zitro68

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04-24-2018 05:10 AM
Thanks a lot everybody...
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08-02-2022 08:27 AM
hi, I applied in all interfaces but still showing listening
SW#show tcp brief all | i 4786
049772BC *.4786 *.* LISTEN
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08-04-2022 11:40 PM
Restart and Use the command "no vstack" or "no vstack config" to disable Smart Install.
Greeting,
Rachel Gomez

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