Port Trunk 链路聚合 ; 端口汇聚 ; 端口绑定 ; 端口聚合
port link-type trunk 端口的链路类型干线
Port-trunk cost 中继计费端口
trunk line port 干线港
To change which VLANs need to access the port from the IVM, simply change the trunk-allowed VLANs Numbers.
要想改变从ivm访问这个端口所需的VLAN，只需修改允许聚合的vlan号。
Implement basic switch security (including: port security, trunk access, management vlan other than vlan1, etc.)
实施基本的交换机安全策略(包括：端口安全、聚合访问、除VLAN1之外的其他VLAN的管理等等)。
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