Link Graphs and Link Reports

A link graph shows the total bytes transmitted and received on the link, total packets transmitted and received on the link, and total errors received on a link selected on the network map. To display a link graph, one end of the link must connect to a Catalyst 2900 XL, 3500 XL, or 3550 port. You cannot graph links between Catalyst 1900 and 2820 switches or between candidate switches.

A link report displays port connection information for cluster members on each end of a selected link. If one end of the link is connected to a Catalyst 1900 or 2820 switch, a candidate switch, or an unknown device, the report contains only member information. You cannot generate link reports between Catalyst 1900 and 2820 switches.

To display a link graph or a link report:

  1. Click a link in the Topology view to select it.
  2. From the Reports menu, choose Link Graphs or Link Reports.
    Note: You can change the graph polling interval by choosing Preferences from the CMS menu and using the Preferences window.