Huawei Cert Datacom Associate-Network Technology & Device Set 17

Judge: Trunk port sent to the peer device must be tagged frame.

Ethernet into VLAN feature, VLAN isolation of.

The traffic between different VLAN cannot communicate directly, you need to use.

Forward frame by checking the Ethernet packets carrying VLAN tag, if the port, can determine whether the Ethernet frame is forwarded from the port.

Using VLAN tagging, in exchange the network environment, the Ethernet frame has the following two formats: and.

VLAN tag in the frame control information TCI (Tag Control Information) field include.

CFI field is 1bit, characterized by.

IEEE organizations to develop a standard, standardized method of VLAN across switches to achieve

All Ethernet frames within the switch are in in the form of movement.

Switch port-based VLAN ID value, if the switch receives untagged frames, VLAN ID of the value depends on.