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【多选题】
如图,LANA和LANB为用户网络,通过SWB和SWD连接到ISP网络,SWA和SWE为用户侧交换机,挂有VLAN200到300的私网用户。SWB连接SWA的接口Ethernet 1/0/1、SWD连接SWE的接口Ethernet 1/0/1QinQ接入端口,属于VLAN3。在交换机SWB的端口Ethernet 1/0/2上,下面关于灵活QinQ的配置(将VLAN范围为200到300的业务添加外层VLAN3)正确的是:
A.
port link-type trunk
B.
port trunk allow-pass vlan 3
C.
port trunk allow-pass vlan 200 to 300
D.
port VLAN-stacking vlan 200 to 300 stack-vlan 3
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