Cisco Systems OL-7396-01 Manual De Usuario

The global configuration function is used to modify the ABR mode selection for all ABR connections.

To configure the ABR mode, use the following global configuration command:

The atm abr-mode command affects all connections, including those already established.

The following example shows how to configure the entire switch to set the EFCI bit whenever a cell 
arrives on a congested ABR connection:

Switch(config)# atm abr-mode efci

To display the ABR congestion notification mode configuration, use the following EXEC command:

The following examples differ depending on the feature card installed in your switch.

The following example shows the ABR mode configuration with FC-PCQ installed:

Switch> show atm resource

Resource configuration:

    Over-subscription-factor 16  Sustained-cell-rate-margin-factor 1%

 Abr-mode: efci

    Atm service-category-limit (in cells):

         3000 cbr 64544 vbr-rt 64544 vbr-nrt 64544 abr-ubr

Resource state:

    Cells per service-category:

         0 cbr 0 vbr-rt 0 vbr-nrt 0 abr-ubr

The following example shows the ABR mode configuration with FC-PFQ installed:

Switch> show atm resource

Resource configuration:

    Over-subscription-factor 8  Sustained-cell-rate-margin-factor 1%

 Abr-mode:   efci

    Service Category to Threshold Group mapping:

     cbr 1 vbr-rt 2 vbr-nrt 3 abr 4 ubr 5

    Threshold Groups:

    Group Max    Max Q  Min Q  Q thresholds  Cell  Name

atm abr-mode {efci | relative-rate | all}

Configures ABR congestion notification 
mode.

Displays the ABR congestion notification 
mode configuration.