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OSN 9800 V100 Configuration Guide 03

This document introduces service configuration process for OSN 9800.
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Configuring Ethernet Virtual Interfaces

Configuring Ethernet Virtual Interfaces

After Ethernet virtual interfaces are configured, NEs can process VLAN-tagged Ethernet packets. The attributes of Ethernet virtual interfaces include basic attributes, Layer 3 attributes, and advanced attributes.

Application of Ethernet Virtual Interfaces

This topic describes the classification and application of Ethernet virtual interfaces.

Concepts

  • VLAN tags are added to Ethernet packets to distinguish various services.
  • C-VLAN: indicates a customer VLAN tag.
  • S-VLAN: indicates a service VLAN tag.
  • Single VLAN tag: indicates a single C-VLAN or S-VLAN tag.
  • Two VLAN tags: The inner VLAN tag is C-VLAN, and the outer VLAN tag is S-VLAN.
  • Inbound and outbound directions: The inbound direction is the direction in which services enter an interface, and the outbound direction is the direction in which services exit an interface.
    Figure 3-26 Interface directions

    For example, the bidirectional services between user 1 and user 2 are transmitted using interfaces A and B on NE 1 and interfaces C and D on NE 2.
    • If services are transmitted from user 1 to user 2, interfaces A and C are in the inbound direction and interfaces B and D are in the outbound direction.
    • If services are transmitted from user 2 to user 1, interfaces A and C are in the outbound direction and interfaces B and D are in the inbound direction.

Virtual Interface Types

Table 3-14 lists the classification of Ethernet virtual interfaces.
Table 3-14 Classification of Ethernet virtual interfaces

Ethernet Virtual Interface Type

Application

VLAN sub-interface

Identifies a single VLAN tag (C-VLAN or S-VLAN) and transmits services.

Transparently transmits the VLAN tag in the inbound direction, and replaces the VLAN tag in the outbound direction.

As shown in Figure 3-26, interfaces A and D are VLAN sub-interfaces. When the packets with VLAN tags are transmitted from user 1 to user 2, interface A identifies the VLAN tags and transparently transmits them in the inbound direction, and interface D replaces VLAN tags in the outbound direction to restore the VLAN tags of user packets. When the packets with VLAN tags are transmitted from user 2 to user 1, interface D identifies the VLAN tags and transparently transmits them in the inbound direction, and interface A replaces VLAN tags in the outbound direction to restore the VLAN tags of user packets.

VLAN aggregation sub-interface

VLAN aggregation sub-interfaces can be configured only on NNI ports. The VLAN aggregation sub-interfaces aggregate the services of multiple VLAN tags for transmission.

Stacking sub-interface

VLAN-based stacking sub-interface. The stacking sub-interfaces are classified into the following types:

  • Stacking sub-interface (without adding S-VLAN tags): Identifies a single C-VLAN or S-VLAN tag or a list of C-VLAN or S-VLAN tags, does not add or strip any VLAN tags in the inbound and outbound directions, and transparently transmits packets.
  • Stacking sub-interface (adding S-VLAN tags): Identifies a single C-VLAN or S-VLAN tag or a list of C-VLAN or S-VLAN tags, adds S-VLAN tags in the inbound direction, and strips S-VLAN tags in the outbound direction.

QinQ Mapping

Selective QinQ mapping sub-interface. It replaces the inner and outer VLAN tags of data frames to achieve the mapping between C-VLAN tags and S-VLAN tags, ensuring that user services are transmitted according to the carrier's network plan.

The selective QinQ mapping sub-interfaces are classified into the following types:
  • 1:1: identifies a single VLAN tag (C-VLAN or S-VLAN) and replaces or retains the VLAN tag.
  • 1:2: identifies a single C-VLAN tag, replaces or retains the C-VLAN tag, adds an S-VLAN tag in the inbound direction, and strips an S-VLAN tag in the outbound direction.
  • 2:1: identifies two VLAN tags, strips an S-VLAN tag in the inbound direction, replaces or retains the inner VLAN tag, and adds an S-VLAN tag in the outbound direction.
  • 2:2. Possible operations are as follows:
    • Identifies two VLAN tags, and replaces both the outer and inner VLAN tags.
    • Identifies two VLAN tags, replaces the outer VLAN tag, and retains the inner VLAN tag.
    • Identifies two VLAN tags, retains the outer VLAN tag, and replaces the inner VLAN tag.

QinQ Link

QinQ link sub-interface. It encapsulates a C-VLAN tag into an S-VLAN tag, ensuring that the packet with two VLAN tags is transmitted on the backbone network of a carrier. QinQ link sub-interfaces provide a simple Layer-2 VPN tunnel for user services.

Identifies an S-VLAN tag, strips an S-VLAN tag in the inbound direction, and adds an S-VLAN tag in the outbound direction.

Creating Ethernet Virtual Interfaces

This topic describes how to create Ethernet virtual interfaces and add VLAN tags, which will be used for service transmission over a third-party Layer 2 network.

Prerequisites

You must be an NM user with "NE operator" authority or higher.

Ethernet interface attributes have been configured.

Tools, Equipment, and Materials

NMS

Creating VLAN Sub-Interfaces

  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. In the Basic Attributes tab, click Create. The Interface [Create] dialog box is displayed.
  3. Set the interface attributes and click OK.

Creating VLAN Convergence Sub-Interfaces

  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. In the Basic Attributes tab, click Create. The Interface [Create] dialog box is displayed.
  3. Set the interface attributes and click OK.

Creating Stacking Sub-Interfaces

  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. In the Basic Attributes tab, click Create. The Interface [Create] dialog box is displayed.
  3. Set the interface attributes and click OK.

    NOTE:

    Recognize Mode of TPID: identifies the tag type of packets that a sub-interface matches. The user mode corresponds to C-tag, and the service mode corresponds to S-tag.

Creating QinQ Link Sub-Interfaces

NOTE:
Ensure that Encapsulation Type of the interface on which QinQ Link sub-interfaces need to be created is set to QinQ or 802.1Q-QinQ.
  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. In the Basic Attributes tab, click Create. The Interface [Create] dialog box is displayed.
  3. Set the interface attributes and click OK.

Creating Mapping Sub-Interfaces

NOTE:
Ensure that Encapsulation Type of the interface on which mapping sub-interfaces need to be created is set to 802.1Q-QinQ.
  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. In the Basic Attributes tab, click Create. The Interface [Create] dialog box is displayed.
  3. Set the interface attributes and click OK.

    NOTE:

    Recognize Mode of TPID: identifies the tag type of packets that a sub-interface matches. The user mode corresponds to C-tag, and the service mode corresponds to S-tag.

  4. Select the created sub-interface and set the mapping sub-interface type based on site requirements.

    • To set the 1:1 type of QinQ mapping sub-interfaces, perform the following operations:
      1. In the QinQ 1 Tag Mapping tab, click Create. The QinQ 1 Tag Mapping[Create] dialog box is displayed.
      2. Set VLAN ID and VLAN ID to be Mapping and click OK.

    • To set the 1:2 type of QinQ mapping sub-interfaces, perform the following operations:
      1. In the QinQ 1 Tag Mapping tab, click Create. The QinQ 1 Tag Mapping[Create] dialog box is displayed.
      2. Set VLAN ID, VLAN ID to be Mapping, and Inner VLAN ID After Mapping and click OK.

    • To set the 2:1 type of QinQ mapping sub-interfaces, perform the following operations:
      1. In the QinQ 2 Tags Mapping tab, click Create. The QinQ 2 Tags Mapping[Create] dialog box is displayed.
      2. Set Outer VLAN ID Before Mapping, Inner VLAN ID Before Mapping, and VLAN ID After Mapping and click OK.

    • To set the 2:2 type of QinQ mapping sub-interfaces, perform the following operations:
      1. In the QinQ 2 Tags Mapping tab, click Create. The QinQ 2 Tags Mapping[Create] dialog box is displayed.
      2. Set Outer VLAN ID Before Mapping, Inner VLAN ID Before Mapping, VLAN ID After Mapping, and Inner VLAN ID After Mapping and click OK.

Configuring Layer 3 Attributes of Ethernet Virtual Interfaces

The Layer 3 attributes of Ethernet virtual interfaces include interface IP address and tunnel enable status. After Layer 3 attributes are configured, you can create tunnels to carry services.

Prerequisites

You must be an NM user with "NE operator" authority or higher.

Tools, Equipment, and Materials

NMS

Procedure

  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. Click the Layer 3 Attributes tab.
  3. In the Layer 3 Attributes tab, select the desired port and set Specify IP Address to Manually, and then set IP Address and IP Mask.
  4. Click Apply. In the operation result dialog box that is displayed, click OK.
  5. Optional: Select the desired port based on the network planning, and set parameters related to MPLS interfaces on the MPLS TE tab in the lower part. If the parameters related to MPLS interfaces are not properly set, MPLS tunnels cannot be created.

    1. On the MPLS TE tab in the lower part, click Create. The MPLS Interface [Create] dialog box is displayed.
    2. In MPLS Interface [Create], select the desired MPLS interface based on the network planning and set Maximum Reservable Bandwidth (kbit/s) and Bc0 bandwidth (kbit/s) for the MPLS interface.
    3. Click OK.

Configuring Advanced Attributes of Ethernet Virtual Interfaces

You can configure advanced attributes of Ethernet virtual interfaces, for example, you can enable proxy ARP for ports.

Prerequisites

You must be an NM user with "NE operator" authority or higher.

Tools, Equipment, and Materials

NMS

Procedure

  1. In the NE Explorer, click the NE and choose Configuration > Packet Configuration > Interface Management > Ethernet Virtual Interface from the navigation tree.
  2. Click Advanced Attributes tab.
  3. In Advanced Attributes tab, select the desired port and set Enable Inter-VLAN Proxy ARP.
  4. Click Apply. In the operation result dialog box that is displayed, click OK.
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Updated: 2019-09-05

Document ID: EDOC1100033663

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