MSI Overhead

In this user interface, you can enable or disable the multiframe structure identifier (MSI) overhead feature and set the timeslots occupied by the MSI overheads to be received and sent and other parameters.

Context

MSIs directly reflect the types of services carried by tributary timeslots and the tributary ports occupied by services. Based on MSIs, lower order signals can be decapsulated from higher order signals.

Navigation Path

In the NE Explorer, select a board and choose Configuration > OTN > MSI Overhead from the navigation tree.

Parameter Description

Table 1 MSI overhead parameters

Parameter

Value

Description

Port

Example: 1(IN1/OUT1)

Indicates the port for which MSI overheads are monitored.

MSI Auto Enable

Enabled, Disabled

Default: Disabled.

Specifies whether to enable MSI overheads automatically. If Huawei OTN NEs access ODUk services from third-party NEs, timeslots need to be manually allocated for MSI overheads. In this situation, set MSI Auto Enable to Disabled.

Grade

All, ODU0, ODU1, ODU2, ODU3, ODU4, ODUFlex Indicates the level of ODUk services.

Path

Example: 1(IN1/OUT1)-OCh:1-ODU4:1-ODU2:1 Indicates the channel for which MSI overheads are monitored.

Number

Example: 1 Indicates the MSI overhead No.
Occupied Timeslots

ODU0: 0, 1

ODU1: 0, 2

ODU2: 0, 8

ODU3: 0, 32

ODU4: 0, 80

ODUFlex: 0-80

Indicates the timeslots allocated for the MSI overheads to be received or sent through an ODUk channel.
NOTE:
If Occupied Timeslots is set to 0, allocated timeslots will be cleared for the ODUk channel.
MSI to be Sent Example: 2, 3-6 Indicates the timeslots occupied by the MSI overheads to be sent through an ODUk channel.
MSI to be Received Example: 2, 3-6 Indicates the timeslots occupied by the MSI overheads to be received through an ODUk channel.
MSI Received Example: 1 Indicates the actually received MSI overheads.

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