Configuring an MFR bundle

As a best practice to maximize bandwidth that can be used, bundle physical interfaces of the same speed in one bundle.

To configure an MFR bundle:

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Create an MFR interface and enter MFR interface view.

interface mfr { interface-number | interface-number.subnumber [ p2mp | p2p ] }

By default, no MFR interfaces or subinterfaces exist.

Before creating an MFR subinterface, make sure the main MFR interface already exists.

3. (Optional.) Set a description for the MFR interface.

description text

By default, the description of an MFR interface is interface name Interface, for example, MFR2/0/1 Interface.

4. (Optional.) Set the MFR bundle identifier.

mfr bundle-name name

The default bundle identifier is MFR + frame relay bundle number, for example, MFR2/0/1.

You cannot set a bundle identifier in the MFR number format.

5. (Optional.) Enable MFR fragmentation.

mfr fragment enable

By default, MFR fragmentation is disabled.

6. (Optional.) Set the size of the MFR sliding window.

mfr window-size number

By default, the size of the MFR sliding window is the number of physical interfaces bundled by MFR.

7. (Optional.) Set maximum fragment size allowed for bundle links.

mfr fragment-size size

The default setting is 300 bytes.

8. (Optional.) Enable subinterface rate statistics collection for the MFR interface.

sub-interface rate-statistic

By default, this feature is disabled.

When this feature is enabled for an MFR interface, the system periodically refreshes subinterface rate statistics. You can use the display interface command to view the collected statistics.

This feature is resource intensive. When you use this feature, make sure you fully understand its impact on system performance.

9. (Optional.) Set the expected bandwidth for the MFR interface.

bandwidth bandwidth-value

By default, the expected bandwidth (in kbps) is the interface baud rate divided by 1000.

10. (Optional.) Restore the default settings for the MFR interface

default

N/A

11. Shut down and then bring up the MFR interface.

  • shutdown

  • undo shutdown

  • By default, an MFR interface is up.

    12. (Optional.) Configure other parameters for the MFR interface.

    See "Configuring Frame Relay."

    The fr interface-type and fr inarp commands can be used only on main MFR interfaces.