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OSN 500 550 580 V100R008C50 Commissioning and Configuration Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuration Procedure

Configuration Procedure

This chapter describes the procedure for configuring ATM services.

Configuration Flow for UNI-UNI ATM Services

This topic describes the operation tasks for configuring UNI-UNI ATM services and the relationships between the operations tasks.

Table 3-277 provides the process for configuring UNI-UNI ATM services.

Figure 3-64  Configuration flow for UNI-UNI ATM services

Table 3-277  Tasks for configuring the UNI-UNI ATM service
Step Operation Remarks
1 Creating the Network Create NEs, configure NE data, create optical fibers, and configure clocks.
2 Creating the ATM Policy The ATM policy is used for traffic management of the ATM service.
3 Configuring ATM Interfaces The ATM interface accesses services from NodeB.
4 Configure the UNI-UNI ATM Service

Specify the service ID and service name, and select the source and sink.

Configuration Procedure (UNI-NNI ATM Services)

This section describes the operation tasks for configuring UNI-NNI ATM services and the relationships between the operations tasks.

Table 3-278 describes the procedure for configuring UNI-NNI ATM services.

Figure 3-65  Flow chart for configuring UNI-NNI ATM services

Table 3-278  Procedure for configuring UNI-NNI ATM services
Step Operation Remarks
1 Creating the Network Create NEs, configure NE data, create optical fibers, and configure clocks.
2 Configuring LSR ID Set the LSR ID and the start of the global label space.
3 Configuring NNI ports Set basic attributes and Layer 3 attributes (including the tunnel enabled status and IP address) for carrying tunnels.
4 Configuring MPLS tunnels Configuring an MPLS Tunnel

An MPLS tunnel can be configured in per-NE or end-to-end mode. Set tunnel ID, service name, ingress node, egress node, and transit node; set signaling type to static.

Configuring tunnel OAM
NOTE:

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

Configuring MPLS Tunnel OAM

Optional. To ensure protection switching time within 50 ms, set Detection Packet Type to FFD and Detection Packet Interval (ms) to 3.3. Set the following parameters:

  • 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

(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 an 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:
    • 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.

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

  • 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 parameters of MPLS tunnel APS according to the service planning.

NOTE:

Tunnel APS is not used, select PW APS for service protection. For the configuration of PW APS, see Configuring PW APS.

5 Setting Basic Attributes of Smart E1 Ports

Required for ATM/IMA E1 ports. Set Port Mode to Layer 2.

Required for fractional ATM/IMA ports.

  1. Create serial ports.
  2. Set basic attributes of the serial ports. Set Port Mode to Layer 1.
6 Binding ATM TRUNKs

Bind corresponding ports to ATM trunks.

  • For fractional ATM/IMA ports, serial ports need to be bound to ATM trunks.
  • For ATM/IMA E1 ports, E1 ports need to be bound to ATM trunks.
7 Configuring an IMA group
  • For ATM E1 or fractional ATM services, set IMA Protocol Enable Status to Disabled.
  • For IMA E1 or fractional IMA services, set IMA Protocol Enable Status to Enabled. It is recommended that the other parameters take their default values. If otherwise specified, set the other parameters based on requirements of the equipment.
8 Configuring management of ATM ports

Optional.

It is recommended that Port Type and ATM Cell Payload Scrambling take their default values. If otherwise specified, set Port Type and ATM Cell Payload Scrambling according to requirements of the equipment.

9 Creating the ATM Policy The ATM policy is configured for ATM traffic management.
10 Creating an ATM-DiffServ Domain

Optional.

Set parameters according to the service planning information.

11 Creating ATM services
  1. Create ATM services; that is, set Service ID, Service Name, and select Service Type and Connection Type.
  2. Configure ATM connections; that is, set the source information, PW ID, sink information, and policies.
  3. Configure PWs; that is, set information such as the PW type, PW label, and tunnel type.
  4. Configure CoS mappings; that is, set the CoS policy for PWs.
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Updated: 2019-01-21

Document ID: EDOC1100020976

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