Hello,I've acquired a new Cisco CBS 220 24P 4X and I've an issue to add VLAN into trunk interfaces. Switch9E8FD1#conf t
Switch9E8FD1(config)#int gi24
Switch9E8FD1(config-if)#switchport trunk allowed vlan add 2,3,4,10
Switch9E8FD1(config-if)#end
Swit...