Managing Cisco Channel Cards › Display Channel Card Performance History

Display Channel Card Performance History

The Cisco Channel Card Attribute List panel lets you monitor the performance and health status of a Cisco channel card.

The attributes sampled are controlled by your system administrator and can include the following:

• Channel card CPU use
• Channel card memory use
• DMA load (DMA communicates between the channel card and route processor)
• Channel load
• Channel errors
• TN3270 usage

For ESCON channels, the following additional information is available:

• Channel utilization (in bytes or percentages)
• CLAW read and write statistics

To display channel card performance

1. Enter H (History) beside a CIP on the IP Resource Monitor (/IPMON).

   The list of monitored attributes appears. You can use the F6 function key to control whether the values are refreshed each time a new sample is gathered.

   Note: To expand or collapse the display of a listed qualifier, move the cursor to the qualifier and press Enter. To expand or collapse all qualifiers, press F4.

2. Enter one of the following actions beside an attribute for more details:
   • D lists the samples
   • S displays the Hourly Summary Graph
   • H displays the Hourly Summary List
   • DL displays the Daily Summary List
   • W displays the Weekly Interval List

     Press F5 (Overview) to compare this resource with others on the system.

Note: For more information, press F1 (Help).

Note: You can monitor other attributes. To monitor them, they must be added to the monitored list. For more information, see the Implementation Guide. If authorized, you can update the monitored list through the UM line command.