The interface of S5560X-EI device docking aggregation has a directional traffic of 100%

5560X-EI （1/0/18）-----------（1/0/16）5560-EI

The outbound traffic of the interconnection interface 1/0/18 between the 5560X-EI device and the 5560-EI device has reached 100%:

1. The inbound traffic for the interconnection interfaces of 5560-EI and 5560X-EI is at 100%, but the outbound traffic is very low.

2. View the inbound traffic of the interface of the 5560x-ei device and found that only the inbound traffic of 1/0/22 reached 99%.

3. Upon checking the configuration of 1/0/22, it was found that it was a reflection port, and the device was configured with remote mirroring. The mirror VLAN was set to 11, and the 1/0/18 port was connected to the remote mirror VLAN, causing the mirror traffic to flood to the 1/0/18 port.

Remote mirror VLAN only needs to be connected to the destination device's interface, and other interfaces should not be connected. Resolve the issue after VLAN 11 is not allowed to pass through ports 1/0/18.