Before you configure the Layer 2 and Layer 3 attributes of an Ethernet interface, configure the basic attributes of the corresponding Ethernet interface. The basic attributes of an Ethernet interface define the physical-layer information,
such as the port mode, encapsulation type, and maximum frame length.
Procedure
- In the NE Explorer, select an NE and choose from
the Function Tree.
- Click the Basic Attributes tab.
- Select the desired board and set the parameters as required.
NOTE: - When Port Mode is set to Layer 2, the Encapsulation Type supports Null, 802.1Q and QinQ.
- When Port Mode is set to Layer 3, the Encapsulation Type support 802.1Q, and then the interface can be used by tunnel.
- When Port Mode is set to Layer Mix, the port can carry Layer 2 services and Layer 3 services. To create a VLAN sub-interface, set the port mode to Layer Mix.
- In the case an NNI interface, Max Frame Length (byte) must be larger than 960. A DCN packet contains a maximum of 960 bytes. If Max Frame Length (byte) is smaller than 960, the DCN packets in the receive
direction may be lost.
- Click Apply. The Operation Result dialog box is displayed indicating that the operation is successful.
- Click Close.
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