Avaya 03-300430 User Manual

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ATM Impaired Paths

1. Examine the error log (display errors), atm setup-events log 

(list measurements atm svc-setup), and atm pnc-latency 

(list measurements atm latency) screens to help diagnose the 

problem, although the switch could be operating normally.  In this 
case, you should consider raising the Activation threshold and/or 
increasing the Timeout value on the ATM-RELATED System 
Parameters screen.  (change system atm).
Use list measurements atm svc-setup to see information 

about errors associated with connection numbers.

2. After entering the above command, note the time stamps shown in the 

list measurements atm setup-events screen.  Execute the 

above command periodically and note the time stamps.  If the time 
stamps have changed for a particular From Conn-To Conn pair, this 
indicates there are still setup failures/delays for that connection.

3. After verifying that every associated ATM endpoint is operating 

correctly, and if errors are still occurring, contact your local service 
provider.

301 (

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System wide ATM Impaired Paths.
See the suggestions listed above to trouble shoot these errors.

769 (

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ATM CLP (Cell Loss Priority) Bit Errors

1025 (

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ATM Congestion Bit Errors

1281 (

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ATM Cell Underrun Errors

1537 (

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ATM Cell Overrun Errors

1793 (

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ATM Lost Cells

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