Please provide the following output when opening a case with Cisco TAC to troubleshoot an ATM related problem
What is the topology? What other devices feed into this ATM switch router?
Which interfaces have the highest traffic loads? Are these the same interfaces that are experiencing the rejected cells?
On which MSC chip are the rejected cells occurring? Is there a high amount of traffic flowing through this set of ports? For example, drops on MSC 0 point to a high amount of traffic on interfaces in slots 0 and 1.
Output from the following show commands:
show atm resource or show controller (depending on the platform)
The following acronyms are used throughout this document: