Determining live data vs overhead on atm interfaces
The scenario is an atm interface is up and the pvc status is up, but it has dropped from ospf and the circuit is suspected down. Yet the input packets keep incrementing (ex 9430 cells per minute), both INPkts and INPRoc by the same amount.
It seems like the traffic is more than keepalive, besides the ILMI-keepalive is turned off on the main interface.
How can I distinguish whether the cells received are live data from the remote site vs system overhead from the local atm switch? If I could do that, I could confirm that the circuit is the issue. Or is there another way to confirm the circuit is the issue?
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