Which protocol cisco is used for trunk?

Question

Aya Omar · Answer

Utilisateur supprimé · Answer

VLAN Trunking Protocol (VTP) of Cisco Catalyst switches to simplify management of the VLAN database across multiple switches.

Chandrasiri Guanaratna · Answer

in adition open method to configure trunk we use IEEE802.1q mode in Cisco Switches as well

in cisco example as below

conf t

int fa0

switchport mode trunk

switchport trunk encapsulation dot1q

exit

when you want to allow certain val in this trunk use below

switchport trunk allowed vlan Number1, Number2

Saqib Mehmood · Answer

Inter-Switch Link (ISL), which is a Cisco proprietary protocol