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OSN 500 550 580 V100R008C50 Commissioning and Configuration Guide 02

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Configuring MPLS Tunnel OAM

Configuring MPLS Tunnel OAM

MPLS OAM effectively detects, confirms, and locates the internal defects of an MPLS network, and therefore monitors the network performance.

Configuring MPLS Tunnel OAM in End-to-End Mode

Configuring MPLS OAM involves enabling the OAM status of the tunnel, setting the MPLS OAM parameters of the tunnel, enabling the tunnel CV/FFD check, performing LSP ping test, and performing the LSP Traceroute test.

Prerequisites

  • You are an NM user with Administrators rights or higher.

  • The MPLS tunnel must be created.

Procedure

  1. Choose Service > Tunnel > Manage Tunnel from the Main Menu.
  2. In the Set Filter Criteria dialog box that is displayed, set the filter conditions and then click Filter.

    NOTE:
    • You can perform filtering by Tunnel Name, Destination IP Address, or Tunnel IP.
    • You can also perform filtering by other conditions.

  3. In Manage Tunnel, select the MPLS tunnel for which the MPLS OAM needs to be configured.
  4. Right-click the MPLS tunnel and then choose MPLS OAM > Enable Y.1711 OAM from the shortcut menu.



  5. Right-click the MPLS tunnel and then choose MPLS OAM > Configure Y.1711 OAM from the shortcut menu. For details about the parameters, see OAM Parameters.

    Figure 3-73  Unidirectional Tunnel

    Figure 3-74  Bidirectional Tunnel

    NOTE:

    When you set these parameters, pay attention the following points:

    • Detection Packet Period(ms): Detection Packet Period(ms) can only be set to 1000ms when Detection Packet Type is CV.
    • Detection Packet Period(ms) can be set to several values when Detection Packet Type is FFD. To ensure that the MPLS tunnel APS switching time is shorter than 50 ms, set Detection Packet Period(ms) to 3.3 in this example.
    • Reverse Tunnel: When the egress node detects a defect, it transmits the BDI packet that carries the defect information to the ingress node through the reverse tunnel. Therefore, the ingress node can learn the defect status in time.
    • When the Node Type of the Unidirectional tunnel is Egress, you can set the SD Threshold and SF Threshold.

  6. Click Apply.

Configuring the MPLS Tunnel OAM on a Per-NE Basis

Configuring MPLS OAM involves the following operations: enabling the OAM status of the MPLS tunnel, setting the MPLS OAM parameters for the MPLS tunnel, enabling the tunnel CV/FFD detection function, performing an LSP ping test, and performing an LSP Traceroute test.

Prerequisites

You are an NM user with Administrators rights or higher.

An MPLS tunnel must be created.

Procedure

  1. In the NE Explorer, select an NE and choose Configuration > Packet Configuration > MPLS Management > Unicast Tunnel Management from the Function Tree.
  2. Click the OAM Parameters tab. Select Enabled from the drop-down list of OAM Status.

  3. Set the parameters. For the details about the parameters, see OAM Parameters.

    NOTE:
    • Detection Packet Period: When Detection Packet Type is set to CV, Detection Packet Period is 1 s and cannot be changed manually. When Detection Packet Type is set to FFD, Detection Packet Period can be set manually.
    • Reverse Tunnel: After detecting defects, the egress node sends the BDI packets that carry the defect information over the reverse tunnel to the ingress node, so that the ingress node can learn the defect status in time.
    • When the Node Type of the Unidirectional tunnel is Egress, you can set the SD Threshold and SF Threshold.

  4. Click Apply. Then, the Operation Result dialog box is displayed, indicating that the operation is successful.
  5. Click Close.
  6. Optional: Perform the CV/FFD. Click the OAM Parameters tab and select a tunnel. Click OAM Operation and choose Start CV/FFD from the drop-down menu. Then, the Operation Result dialog box is displayed, indicating that the operation is successful.

    NOTE:

    When the Node Type of the unidirectional tunnel is Ingress, the CV/FFD can be enabled.

  7. Optional: Perform a ping test.
    1. Click the OAM Parameters tab and select a tunnel. Click OAM Operation and choose Ping Test from the drop-down menu. Then, the Ping Test dialog box is displayed.

      NOTE:

      When the Node Type of the tunnel is Ingress, you can perform the ping test.

    2. Set the parameters.
    3. Click Start Test to check the ping test result.
  8. Optional: Perform an LSP Traceroute test.
    1. Click the OAM Parameters tab and select a tunnel. Click OAM Operation and choose Traceroute Test from the drop-down menu. Then, the Traceroute Test dialog box is displayed.

      NOTE:

      To support the Traceroute test, the Tunnel Type of the tunnel must be Ingress.

    2. Set the parameters.
    3. Click Start Test to check the Traceroute test result.
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Updated: 2019-01-21

Document ID: EDOC1100020976

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