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What Should I Pay Attention to When Configuring the Interface-based QinQ?
What Should I Pay Attention to When Configuring the Interface-based QinQ?
When you configure the interface-based QinQ, pay attention to the following points:
The QinQ function cannot be enabled on an interface after MSTP is enabled on the interface.
The QinQ function cannot be enabled on an interface if IGMP snooping is enabled on the VLAN that the interface belongs to or if IGMP is enabled on the corresponding VLANIF interface.
A QinQ-enabled interface cannot be added to a VLAN where IGMP snooping or IGMP is enabled.