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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Troubleshooting
6-41Troubleshooting ATM-PNC
6
DEFINITY ECS ATM-PNC troubleshooting
commands
Wide-area networks (WAN), especially those constructed as an internet using
public network facilities, may take inter-PN connectivity to the edge of
acceptable performance. The switch may experience delays, blockages, or
connection losses because of circumstances beyond the control of switch
management. Variations in performance may be expected during periods of high
traffic.
If ATM-PNC is enabled (
change system-parameters customer-options
), 2
commands become available:
■ change/display atm pnc-pairs
lets you get inter-port-network
measurements for up to 10 ordered pairs of port networks
■ list measurements atm pnc-latency
reports data about ATM cell latency
and connection times.
In both of these commands, you must supply the following information:
■ the number of connections requested,
■ the average connection setup time in milliseconds,
■ the number of ATM network setup requests required, and
■ the average setup time for the ATM connections.
Separate sets of measurements are available for the A and B sides in critical
reliability systems.
change/display atm pnc-pairs
This command lets you select 10 pairs of port networks for which measurements
can be reported. Screen 6-16
shows the output for the command.