Cisco spanningtree
https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-250-series-smart-switches/smb71-configure-multiple-spanning-tree-protocol-mstp-on-a-switch.html
gewoon, mijn archief
https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-250-series-smart-switches/smb71-configure-multiple-spanning-tree-protocol-mstp-on-a-switch.html