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How to put packets traffic of E-LINE forMSTP hybird platform Highlighted

Latest reply: Sep 21, 2021 18:20:01 3834 12 8 0 1


Hello, everyone. 

In this post, I would like to share with you how to put packets traffic of E-LINE for MSTP hybrid platform.


You need to configure the MPLS tunnel before configuring the E-Line services carried by PWs.

provides the process for configuring the E-Line services carried by PWs.

1


 Configuration flow for the E-Line services carried by PWs

Table 1 Configuration flow for the E-Line services carried by PWs
StepOperationRemarks
1Configuring the UNI (when the UNI is an Ethernet port)Setting the General Attributes of Ethernet Interfaces

(Required) The parameters are set as follows:

  • Enable Port is set to Enabled.

  • Port Mode is set to Layer 2.

  • Generally, Encapsulation Type is set to 802.1Q. When the packets do not need to be distinguished according to the VLAN tags, Encapsulation Type is set to Null.

  • Working Mode of the UNI needs to be the same as the working mode of the Ethernet equipment on the opposite end. Generally, this parameter takes the default value Auto-Negotiation.

  • When JUMBO frames need not be transmitted, Max Frame Length(byte) takes the default value 1620. In other cases, Max Frame Length(byte) is set to the maximum length of the transmitted JUMBO frames.

Setting the Layer 2 Attributes of Ethernet Ports

(Optional) The parameters are set as follows:

  • Tag needs to be set according to the type of the packets that are transmitted from the equipment on the opposite end.

    • If all the packets are untagged packets, Tag is set to Access.

    • If all the packets are tagged packets, Tag is set to Tag Aware.

    • If the packets contain untagged packets and tagged packets, Tag is set to Hybrid.

  • When Tag is set to Access or Hybrid, the Default VLAN ID and VLAN Priority parameters need to be set for the untagged frames. VLAN Priority needs to be set according to the planned QoS.

Configuring the Flow Control

(Optional) The parameters are set as follows:

  • Generally, the PSN adopts the QoS scheme to prevent link congestion. Hence, Auto-Negotiation Flow Control Mode and Non-Autonegotiation Flow Control Mode need to be set to the default value Disabled, unless otherwise specified.

2Configuring the DCN Function of a Port

(Optional) This operation is applicable only when the UNI is an Ethernet port. The parameters are set as follows:

  • The UNI is used for connecting the external equipment and need not transmit in-band DCN information. Hence, Enable Port needs to be set to Disabled for the UNI.

3Configuring the NNIs for Ethernet Services Carried by Static MPLS Tunnels(Required) Set the parameters as follows:
  • Set Port Mode to Layer 3.

  • Set Enable Tunnel to Enabled.

  • Set Specify IP Address to Manually, and set IP Address and IP Mask according to the service plan.

4Configuring the MPLS tunnelConfiguring an MPLS Tunnel

(Required) The parameters need to be set according to the service planning information. 

Configuring tunnel OAM
NOTE:

Configure MPLS tunnel OAM or MPLS-TP tunnel OAM according to the service plan.

Configuring MPLS Tunnel OAM

(Optional) The parameters are set as follows:

  • OAM Status is set to Enabled.

  • Detection Mode is set to Manual.

  • Detection Packet Type is set to FFD.

  • Detection Packet Period(ms) is set to 3.3.

Configuring MPLS-TP Tunnel OAM
NOTE:

The OptiX OSN 1500 equipment does not support MPLS-TP tunnel OAM.

(Optional) The parameters are set as follows:

  • Set OAM Status to Enabled.

  • If all the NEs along a tunnel are Huawei equipment that supports IP-based MPLS-TP OAM, it is recommended that you set MEG ID Type to IP Based, so that you do not need to plan MEG IDs, MEP IDs, and RMEP IDs.

  • If not all the NEs along a tunnel are Huawei equipment that supports IP-based MPLS-TP OAM or if there are special requirements, it is recommended that you set MEG ID Type to ICC Based. In this case, plan MEG IDs, MEP IDs, and RMEP IDs based on the following principles:

    • All the MEPs and MIPs along the same tunnel must have the same MEG ID. MEPs and MIPs along different tunnels must have different MEG IDs.

    • Each MEP ID in a MEG must be unique.

  • It is recommended that you set this parameter to the default value 7.

  • It is recommended that you set this parameter to the default value Adaptive.

    Detection Mode can be set only for ingress nodes on bidirectional tunnels and egress nodes.

  • It is recommended that you retain the default value 0 for both SD Threshold(%) and SF Threshold(%).

  • To suppress a PW fault alarm caused by a tunnel fault on an NE on which an MS-PW is configured, set AIS Status to Enabled.

  • Set CC Packet Interval (ms) as follows:

    CC Packet Interval(ms) can be set only for egress nodes on bidirectional tunnels and ingress nodes.

    • If the CC function is used to trigger APS, it is recommended that you set CC Packet Interval(ms) to 3.33.

    • If the packet transmission delay variation exceeds 3.33 ms, it is recommended that you set CC Packet Interval(ms) to a value greater than the packet transmission delay variation.

    • If the CC function is used to check the tunnel connectivity, it is recommended that you set CC Packet Interval(ms) to 1000.

  • It is recommended that you set CC Packet Priority to the default value 7.CC Packet Priority can be set only for egress nodes on bidirectional tunnels and ingress nodes.

Configuring Tunnel APS

(Optional) Set the tunnel APS parameters according to the service planning information. 

NOTE:

You may also use PW APS to protect services. Follow instructions in Configuring PW APS to configure PW APS.

5
  • Configuring UNI-NNI E-Line Services Carried by PWs on a Per-NE Basis

  • Configuring E-Line Services Carried by PWs in End-to-End Mode

(Required) The parameters need to be set according to the service planning information.

6Creating a V-UNI Group

(Optional) The parameters need to be set according to the service planning.

That's all, I hope you like it.

Thank you!


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