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Configuring MLFR FRF.16 Bundles

J-series Services Routers support Multilink Frame Relay (MLFR) user-to-network interface (UNI) network-to-network interface (NNI) (MLFR FRF.16) on the link services interface ls-0/0/0.

MLFR FRF.16 configures multilink bundles as channels on the link services interface, such as ls-0/0/0:0. A multilink bundle carries Frame Relay permanent virtual circuits (PVCs), identified by their data-link connection identifiers (DLCIs). Each DLCI is configured at the logical unit level of the link services interface and is also referred as a logical interface. Packet fragmentation and reassembly occur on each virtual circuit. For more information about multilink bundles, see Multilink Bundles Overview.

You can configure LFI and CoS with MLFR in the same way that you configure them with MLPPP. For information about configuring LFI and CoS, see Configuring MLPPP Bundles and LFI on Serial Links.

In this example, you aggregate two T1 interfaces to create an MLFR FRF.16 bundle on two J-series Services Routers—Router R0 and Router R1.

To configure an MLFR FRF.16 bundle:

  1. Navigate to the top of the configuration hierarchy in either the J-Web or CLI configuration editor on Router R0 and Router R1.
  2. Perform the configuration tasks described in Table 98.
  3. If you are finished configuring the router, commit the configuration.
  4. Go on to Verifying the Link Services Interface Configuration, to verify your configuration.

Table 98: Configuring MLFR FRF.16 Bundles

Task

J-Web Configuration Editor

CLI Configuration Editor

Navigate to the Chassis level in the configuration hierarchy.

  1. In the J-Web interface, select Configuration>View and Edit>Edit Configuration.
  2. Next to Chassis, click Configure or Edit.

From the [edit] hierarchy level, enter

edit chassis

Specify the number of multilink frame relay UNI NNI (FRF.16) bundles to be created on the interface. You can specify a number from 1 through 255.
  1. Next to Fpc, click Add new entry.
  2. In the Slot box, type 0.
  3. Next to Pic, click Add new entry.
  4. In the Slot box, type 0.
  5. In the Mlfr uni nni bundles box, type 1.
  6. Click OK.

Enter

set fpc 0 pic 0 mlfr-uni-nni-bundles 1

Specify the channel to be configured as a multilink bundle.
  1. On the main Configuration page, next to Interfaces, click Configure or Edit.
  2. Next to Interface, click Add new entry.
  3. In the Interface name box, type ls-0/0/0:0.
  4. Click OK.

From the [edit] hierarchy level, enter

edit interfaces ls-0/0/0:0

Define the multilink bundle as an MLFR FRF.16 bundle by specifying the Multilink Frame Relay UNI NNI encapsulation type.
  1. Next to ls-0/0/0:0, click Edit.
  2. From the Encapsulation list, select multilink-frame-relay-uni-nni.

Enter

set encapsulation multilink-frame-relay-uni-nni

Define R0 to be a data circuit-terminating equipment (DCE) device. R1 performs as a data terminal equipment (DTE) device, which is the default with Frame Relay encapsulation.

For more information about DCE and DTE, see Serial Interface Overview

On R0 only, select Dce.

On R0 only, enter

set dce

Configure a logical unit on the multilink bundle ls-0/0/0:0, and define the family type—for example, Inet.

Assign a data link connection identifier (DLCI) to the multilink bundle. The DLCI field identifies which logical circuit the data travels over. DLCI is a value from 16 through 1022—for example, 400. (Numbers 1 through 15 are reserved for future use.)

Assign an IP address to the multilink bundle.
  1. Next to Unit, click Add new entry.
  2. In the Interface unit number box, type 0.
  3. In the Dlci box, type 400.
  4. Under Family, select Inet and click Configure.
  5. Next to Address, click Add new entry.
  6. In the Source box, type the appropriate source address:
    • On R0—10.0.0.10/24
    • On R1—10.0.0.9/24
  7. Click OK until you return to the Interfaces page.

Set the appropriate address for the interface:

  • On R0, enter

    set unit 0 dlci 400 family inet address 10.0.0.10/24

  • On R1, enter

    set unit 0 dlci 400 family inet address 10.0.0.9/24

Create the T1 interfaces that are to be added as constituent links to the multilink bundle—t1-2/0/0 and t1-2/0/1.

Define the Frame Relay encapsulation type.

  1. On the Interfaces page, next to Interface, click Add new entry.
  2. In the Interface name box, type the name of the interface:
    • To configure t1-2/0/0, type t1-2/0/0.
    • To configure t1-2/0/1, type t1-2/0/1.
  3. Click OK.
  4. Next to the interface you want to configure, click Edit.
  5. From the Encapsulation list, select multilink-frame-relay-uni-nni.
  1. From the [edit] hierarchy level, enter
    • For configuring t1-2/0/0

      edit interfaces t1-2/0/0

    • For configuring t1-2/0/1

      edit interfaces t1-2/0/1

  2. Enter

    set encapsulation multilink-frame-relay-uni-nni

Specify the multilink bundle to which the interface is to be added as a constituent link—ls-0/0/0:0.
  1. Next to Unit, click Add new entry.
  2. In the Interface unit number box, type 0.
  3. Under Family, select mlfr-uni-nni and click Configure.
  4. In the Bundle box, type ls-0/0/0:0.
  5. Click OK.

Enter

set unit 0 family mlfr-uni-nni bundle ls-0/0/0:0

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