Reserving Bandwidth for Advanced Features

Use this procedure if you want the switch to support advanced features. When you enable this boot flag, you need to save and reboot with the new configuration.

Before you begin

Product Notice: For 5420 Series, 5520 Series, and VSP 7400 Series, you must ensure your configuration does not include reserved ports before you enable this feature. If the configuration includes reserved ports after you enable this feature and restart the switch, the switch stops loading the configuration.

Procedure

  1. Enter Global Configuration mode:

    enable

    configure terminal

  2. Enable the boot flag:

    boot config flags advanced-feature-bandwidth-reservation [low | high | vim]

  3. Save the configuration, and then reboot the switch.
    Important

    Important

    A change to the advanced-feature-bandwidth-reservation boot flag requires a reboot for the change to take effect.

  4. Verify the boot flag configuration:

    show boot config flags

  5. Verify that the switch reserved the ports as loopback ports. Reserved ports are not visible in the output of the following command:
    Note

    Note

    This step only applies to 5420 Series, 5520 Series and VSP 7400 Series.

    show interfaces gigabitEthernet

Example

Enable this feature to the low level.

Switch:1>enable
Switch:1#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Switch:1(config)#boot config flags advanced-feature-bandwidth-reservation low
   Warning: Please note that the configuration for the following ports 1/25-1/26 
            will be removed from the configuration file.   
 Are you sure you want to continue (y/n) ? y    
    Warning: Please save the configuration and reboot the switch
             for this to take effect.
             Flag advanced-feature-bandwidth-reservation is changed to enable (low).
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