Configuring an ACL on VTY Lines (Telnet/SSH) - YouTube
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Virtual Terminal (VTY) Lines with Access Control List - Study CCNP
The login method is configured on the VTY lines of a router with these parameters. The first method for authentication is TACACS If TACACS is unavailable, login is allowed without any provided
7.2.3.3 Packet Tracer - Configuring an ACL on VTY Lines - YouTube