Cisco Trunking

Cisco Trunking Types
=================

Using Cisco 2950 switches

Switchport mode

access - Used for systems
trunk - Configure Trunking
dynamic         - To auto detect switch on other side for trunking
> desirable
> auto

switch0(config)# int fa0/1

switch0(config-if)# switchport mode dynamic desirable

switch0(config)# int fa0/2

switch0(config-if)# switchport mode dynamic desirable

Switch1 will auto detect trunk as its in 'Dynamic Auto' mode

Encapsulation Types for trunking
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802.1q - All Non-cisco and cisco switches

ISL (Inter-Switch Link) - For Cisco Switches only

NOTE: Default encapsulation is always Dot1q