I have a Cisco Lightstream ATM switch in my lab which is also acting as a gateway and i used rather heavily. It is showing a lot of latency. Even pinging it sometimes times out..sometimes pings in 5 ms. The CPU Load is not much (20%)..I checked with solarwinds. What else could be the problem. It even takes a lot of time to respond to commands via telnet.
Determine if the device shows symptoms of high CPU utilization at brief and unpredictable intervals. If so, periodically collect the output of the show command. This shows if the high CPU utilization is caused by interrupts or by a certain process.
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