https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/networking_guide/sec-configure_802_1q_vlan_tagging-configuring-vlan-switchpport-mode
10.8. Configuring VLAN switchport mode | Networking Guide | Red Hat Enterprise Linux | 7 | Red Hat...
10.8. Configuring VLAN switchport mode | Networking Guide | Red Hat Enterprise Linux | 7 | Red Hat Documentation
red hat enterprise linux
https://infosec4tc.teachable.com/courses/cisco-ccnp-switch-300-115-the-complete-course1/lectures/9773010
Managing Error Conditions on Switchport | InfoSec4TC
managingerrorconditions
https://anetworkartist.blogspot.com/2008/12/handy-switchport-host-command.html
A Network Artist : Handy Switchport host command
Now, speaking of access ports, check this out. Cisco came out with a secret-ninja command that automatically does three things: 1. Configu...
networkartisthandyhostcommand
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/security/configuration/guide/b_Cisco_Nexus_9000_Series_NX-OS_Security_Configuration_Guide_7x/b_Cisco_Nexus_9000_Series_NX-OS_Security_Configuration_Guide_7x_chapter_010100.html
Cisco Nexus 9000 Series NX-OS Security Configuration Guide, Release 7.x - Configuring Switchport...
Configuring Switchport Blocking