Тренинг Cisco 200-125 CCNA v3.0. День 35. Динамический протокол транкинга DTP

[alecv]

Интересно, allowed vlan remove 1 как действует?

[denzill]

Было:
ba(config-if)#do sh run int GigabitEthernet1/0/2
Building configuration...

Current configuration : 123 bytes
!
interface GigabitEthernet1/0/2
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
end

делаем:
ba(config-if)#switchport trunk allowed vlan remove 1

стало:
ba(config-if)#do sh run int GigabitEthernet1/0/2
Building configuration...

Current configuration : 161 bytes
!
interface GigabitEthernet1/0/2
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 2-4094
switchport mode trunk
spanning-tree portfast
end