Configuring Transparent Transmission of DCC Channels

In multi-vendor networking, you need to allocate the DCC bytes of Huawei equipment to ensure that the bytes are transmitted transparently.

In the case of multi-vendor networking, the DCC bytes of the equipment from other vendors are transmitted transparently. You can allocate the DCC bytes of Huawei equipment through the idle DCC bytes of the third-party equipment so that the bytes are transmitted transparently. This may occur in one of the following three ways:
- Huawei equipment is in the network center, while a third-party equipment is at the edge of the network. The Huawei equipment and third-party equipment are managed by their respective network management systems by using the D1 to D3 bytes. In this case, Huawei equipment transparently transmits the third party's DCC bytes through three consecutive bytes between D4 and D12.
- Huawei equipment is at the edge of the network, while a third-party equipment is in the network center. The Huawei equipment and third-party equipment are managed by their respective network management systems by using the D1 to D3 bytes. In this case, Huawei's equipment adjusts its own D1-D3 bytes to three consecutive bytes between D4 and D12. Hence, Huawei's equipment transparently transmits the network management information through the third-party equipment.
- Huawei equipment also transparently transmits the other overhead bytes, for example, E2, F1, or X1-X4, through the idle D bytes.
For the DCC transparent transmission, perform the corresponding configuration at each NE along the data transmitting trail.

In the NE Explorer, click an NE and choose Communication > DCC Management from the Function Tree. Click the DCC Transparent Transmission Management tab.
Click Create and a dialog box is displayed. Select the source and the sink timeslot, port and overhead bytes.