Case 1 - Failure inside the optical network

This case covers a failure within the optical network (not on the edge of the optical network), such as Fiber cut, equipment (card) failure or port failure.

Figure 1. Case 1 - Failure inside the optical network

Depending on symptoms reported from the IP Manager, analysis may be:

• A-side or Z-side Router Down

• A-side or Z-side Router Interface Down

• IP NetworkConnection Down

• A-side or Z-side Router Interface LogicalConnectionDown

  XD Manager OTM to IP analysis, in conjunction with Service Assurance Manager, is:

• Root cause: Fiber cut

• Impacts:

  • Circuit ServiceUnavailable and

  • IP Network Connection Down or

  • A-side or Z-side Router Down or

  • A-side or Z-side Router Interface Down