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Note that: If you want to modify the value of the reserved VLANs, all the routed interfaces interface configurations need to be disabled removed first.
You can use the commands run show vlans and run show vlans routed-vlan to check the VLAN information of all routed interfaces. For example,
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When configuring the routed interface, you have to run the following command to bring up the parent routed interface. Only after this, the corresponding sub-interfaces can be used normally.
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