أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Go to config mode.
shut down virtual interfaces for exampe you have vlan and interface you have created in router for vlan is fa0/1..
so to shut the interface run mention below command.
inerface fastethernet fa0/1.
shut
exit
like above example shut all interfaces.
and also disable encapsulation dot1q
go to config mod an switch and type this commond
sw(config)#no ip routing
standard access-list can do it