PAgP
Port Aggregation Protocol
Configure PAgP on a range of interfaces using ‘Desirable’ mode
PAgP on a interfaces range using ‘Desirable’ mode
S1(config)# interface range FastEthernet 0/1 - 2 S1(config-if-range)# shutdown S1(config-if-range)# channel-group 1 mode desirable S1(config-if-range)# no shutdown S1(config-if-range)# exit
The message “Creating a port-channel interface Port-channel 1” should appear on both switches when the channel-group is configured. This interface designation will appear as Po1 in command output.
Configure the logical interface to become a trunk
Configuring the logical interface to become a ‘Trunk’
S1(config)# interface port-channel 1 S1(config-if)# switchport mode trunk S1(config-if)# exit