isolate-user-vlan问题

happy1210

在配置isolate-user-vlan上出来问题，请教各位，谢谢

配置如下：

vlan 100

interface g1/1/1
port link-type access
port access vlan 100
quit

vlan 100
isolate-user-vlan enable

提示错误信息：As the vlan has trunk ports, or the vlan id and the trunk port pvid are the same, you cannot specify it as isolate-user-VLAN or secondary VLAN.


这是怎么回事？求解答，谢谢！