Use: 

	china-town:
		all => VLAN 22, 44, 220-221
		main->( b1<->b2 ) => EthChannel (on)

VLANS:

Native 		VLAN	= 22
Managment 	VLAN	= 44
Derective 	VLAN	= 220 to 229

NETMASKS:

/16	255.255.0.0
/24	255.255.255.0
/30	255.255.255.252

URLS:

vlsns 	settings: https://linkas.ru/articles/vlan-v-cisco/
VTP		settings: https://www.atraining.ru/protocol-vtp2/