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Blocking remote access like telnet in Cisco 4006 switch(IOS)

I was wondering whether there is any way to block telnet access while accessing the switch via console temporarily apart from modifying the ACL's. To get my point clear like how a sysadmin would block accessing a server while doing system work. Thanks.

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Re: Blocking remote access like telnet in Cisco 4006 switch(IOS)

A "transport input none" on the vty lines should do it.

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