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    Creating a Full Mesh Layer 3 VPN Service Definition

    This procedure provides the steps to create a definition for a full mesh Layer 3 VPN Ethernet service.

    You can create a customized service definition—for example, to set a different VLAN ID range on the service than those offered in the standard service definitions.

    When the new service definition is complete and published, network operators or service provisioners can use the completed service definition as a base for creating and then activating full mesh Ethernet services on the network.

    The screens appear in the order stated. You can, however, perform these steps in any order by accessing them through the task list in the right panel. If the panel is not visible, click the snap tool on the right side of the main display area.

    To create a full mesh Layer 3 VPN service definition:

    1. Specifying General Information
    2. Specifying UNI Settings
    3. Specifying Connectivity Information

    Specifying General Information

    In the Network Activate task pane, select Service Design > Manage Service Definitions > Create L3 VPN Service Definition.

    The Create Service Definition window appears.

    To specify general information for a full mesh service definition:

    1. Fill in the fields on the General page as indicated in the following table:

      Field

      Action

      Name

      Type a unique name that identifies the full mesh Layer 3 VPN definition.

      Range: 3 through 50 characters

      Service type

      Select L3 VPN (Full Mesh).

      Comments

      Type a comment that identifies or describes the definition.

      Range: 1 through 200 characters

      Decouple Service Status From Port Status

      Select this check box to isolate the events related to an interface in OpenNMS.

      Note: When you select this check box, only the MPLS traps are monitored, not the jnxVpnIfVpn traps.

      By default, all events are saved in the OpenNMS database.

      Enable QoS

      When you enable QoS in the service definition, you must specify a QoS profile in the service order to classify traffic into defined service groups to provide special treatment of traffic across the network service. For example, voice traffic can be sent across certain links, and data traffic can use other links.

      Note: The Enable QoS check box appears only if you have installed the QoS Design application.

      Service Template

      (Optional) To include a service template for the service, select a service template from the Service Template list.

      The selected service template appears in the Default Service Template field.

      You can select one or more service templates as the default service template. By default, the default service templates are attached to the endpoints.

      Note: You cannot add or delete a service template while creating a service order.

      The remaining service templates on the Service Template list are termed as optional service templates. You can attach the optional service templates to the endpoints on a need basis.

      In the View Service Definition Details window, the value for the default service template in the Default Service Template column is True.

      For instructions on creating a service template, see Creating a Service Template.

      Note: To provision a Layer 3 VPN service for QinQ UNI type, you can create a service template with service variables as interface name and unit name.

    2. Click Next to save the General page information. Continue with Specifying UNI Settings.

    Specifying UNI Settings

    To provide the UNI service attributes for this service definition:

    1. Fill in the fields on the UNI Settings page as indicated in the following table:

      Field

      Action

      Ethernet

      By default, this check box is unavailable.

      VLAN ID selection

      Specify how the VLAN ID is determined:

      • To allow the service provider to specify the VLAN ID, choose Select manually. Specify the range in VLAN range for manual input.
      • To cause the VLAN ID to be selected automatically from the VLAN ID pool, select Auto pick. This option is used typically when VLAN normalization is applied. Specify the range in VLAN range for auto-pick

      Note: Select the Editable in Service Order check box if you want to override the VLAN ID selection setting in the service order.

      VLAN range for auto-pick

      Specify the range.

      Range: 1 through 4094

      VLAN range for manual input

      Specify the range.

      Range: 1 through 4094

      Note: This parameter reserves a range of VLANs for provisioning Layer 3 VPNs. These VLANs are not used to transport data from one end of a connection to the other.

      Default MTU (Bytes)

      Specify an MTU value in this field.

      To see the permitted range for the MTU value, select the Editable in Service Order check box.

      Default: 1522 bytes

      Range: 1522 bytes through 9192 bytes

      For a predefined service definition, the default MTU is 1522 bytes.

      MTU Range (Bytes)

      If you select the Editable in Service Order check box, you can specify a value range for MTU (in bytes). .

      Default: 1522 bytes

      Range: 1522 bytes through 9192 bytes

      Note: Ultimately, the system establishes the MTU by multiplying the value you specify in the Default MTU (Bytes) field by the value you specify for MTU Factor.

      Bandwidth Settings

      The Bandwidth Settings pane, appears if you do not select the Enable QoS check box in the preceding General settings window. This panel includes the following fields:

      • Enable rate limiting
      • Default bandwidth (Mbps)
      • Min Bandwidth (Kbps)
      • Max Bandwidth (Mbps)
      • Increment (Kbps)

      Enable rate limiting

      If you select this check box, you can override the MTU setting.

      Default bandwidth (Mbps)

      Specify the default bandwidth value in Mbps.

      Default: 10 Mbps

      Range: 1 Mbps through 100,000 Mbps

      For a predefined service definition, the default bandwidth value is 10 Mbps.

      Min Bandwidth (Kbps)

      To override the default bandwidth value, select the Editable in Service Order check box.

      Specify the minimum bandwidth value in Kbps:

      Default: 1000 Kbps

      Range: 64 Kbps through 100,000 Kbps

      Max Bandwidth (Mbps)

      Specify the maximum bandwidth value, in Mbps.

      Default: 100 Mbps

      Range: 1 Mbps through 100,000 Mbps

      Increment (Kbps)

      Specify a value in the range that is made available to the service provisioner.

      Default: 1000 Kbps

      Range: 64Kbps through 100,000 Kbps

      Calculate Burst Size

      Select the preferred option for calculating the burst size:

      • MTU Based

        If you select the MTU Based option, you can specify a value for MTU Factor.

        Default: 10

        Range: 10 through 1,087,902

      • Line Rate Based

        If you select the Line Rate Based option, you can specify a value for Burst Period.

        Default: 5 milliseconds

        Range: 5 through 7450 milliseconds

      Note: The Calculate Burst Size list is enabled only when you select the Enable rate limiting check box.

      The following table lists the Max Bandwidth (Mbps) for the M Series, MX Series, and ACX Series routers:

      Table 1: Maximum Bandwidth for M Series, MX Series, and ACX Series Routers

      M Series IQ2E PIC

      M Series IQ2 PIC

      MX Series 3D PIC

      MX Series Non-3D PIC

      ACX 2000

      GE Port (1G)

      XE Port (10G)

      GE Port (1G)

      XE Port (10G)

      GE Port (1G)

      XE Port (10G)

      GE Port (1G)

      XE Port (10G)

      GE Port (1G)

      XE Port (10G)

      32,000 Mbps or 32 Gbps

      32,000 Mbps or 32 Gbps

      50,000 Kbps or 50 Gbps

      50,000 Kbps or 50 Gbps

      100,000 Mbps or 100 Gbps

      100,000 Mbps or 100 Gbps

      50,000 Kbps or 50 Gbps

      50,000 Kbps or 50 Gbps

      50,000 Kbps or 50 Gbps

      50,000 Kbps or 50 Gbps

    2. Click Next to save the UNI settings. Continue with Specifying Connectivity Information.

    Specifying Connectivity Information

    To specify the attributes that define the connectivity among remote sites across the service provider network:

    1. Fill in the fields on the Connectivity page as indicated in the table.In the PE-Core Settings box, specify whether to allow the service provider to specify the route target:

      Field

      Action

      PE-Core Settings

      Route target

      Select a route target option:

      • Select manually—Allows the service provider to specify the route target.
      • Auto pick—Route target is selected automatically.

      To override this setting in the service order, you can select the Editable in Service Order check box.

      Route distinguisher

      Select a route distinguisher option:

      • Select manually—Allows the service provider to specify the route distinguisher.
      • Auto pick—Route distinguisher is selected automatically.

      To override this setting in the service order, you can select the Editable in Service Order check box.

      VRF Table label

      Select this check box to configure a separate label for each VRF to provide double lookup and egress filtering.

      To override this setting in the service order, you can select the Editable in Service Order check box.

      Export Direct Routes

      Select this check box to export direct routes.

      PE-CE Settings

      Allowed Routing Protocols

      Select an option to use to allow each PE router to distribute VPN-related routes to and from connected CE routers:

      • OSPF/Static Route—OSPF routes IP packets based solely on the destination IP address contained in the IP packet header. OSPF quickly detects topological changes, such as when router interfaces become unavailable, and calculates new loop-free routes quickly and with a minimum of routing overhead traffic. Static routes are routes that are manually configured and entered into the routing table.
      • BGP/Static Route—BGP routing information includes the complete route to each destination. BGP uses the routing information to maintain a database of network reachability information, which it exchanges with other BGP systems. BGP uses the network reachability information to construct a graph of AS connectivity, thus allowing BGP to remove routing loops and enforce policy decisions at the AS level. Static routes are routes that are manually configured and entered into the routing table.

      IP Address Settings

      PE Interface IP Address

      Select an option:

      • Select manually—Allows the service provider to specify the IP address of a provider edge (PE) interface.
      • Auto pick— IP address of a provider edge (PE) interface is selected automatically.

      To override this setting in the service order, you can select the Editable in Service Order check box.

      IP pool type

      Select an IP pool type option:

      • Global—A Global IP address pool pertains to the service provider. There can be more than one global IPv4 address pool. However, each global pool must have its own unique name and its set of IPv4 addresses must not overlap with those of any other global pool. You can allocate addresses from global pools across multiple Layer 3 VPNs across multiple customers.
      • Customer—A Customer IP address pool pertains to an existing customer. These pools are associated with the corresponding customer. You can associate more than one customer IPv4 pool with each customer. However, each customer pool must have its own set of IPv4 addresses which must not overlap with those of any other pool belonging to the same customer. You can allocate addresses from customer pools across multiple Layer 3 VPNs for a particular customer.

      For more information on creation an IP pool, see Creating an IP Address Pool.

      Size of address block

      Specify the size of the IPv4 IP addressee block allocated for each provider edge (PE) or customer edge (CE) link.

      Range: 28 through 32

      To override this setting in the service order, you can select the Editable in Service Order check box.

    2. Click Finish to save the connectivity settings and create the Layer 3 VPN service definition.
     

    Related Documentation

     

    Modified: 2017-02-02