Unusual ATM trouble conditions
Issue 4 May 2002
5-99555-233-123
Action
1. Correct the ATM addresses (or swap fibers) on the A500 between the
incorrectly connected EPNs.
Swapped Routes, End System Identifiers, or Fiber
between A and B side TN230Xs on an EPN
Symptoms
■ The PPN establishes links to what it thinks is the active TN230X on the
EPN.
■ As normal, it reboots this TN230X, and when complete, it resets the EPN.
When this happens, the active (instead of the standby) TN230X reboots,
dropping the links.
■ To recover, the PPN re-establishes links to what it thinks is the active
TN230X and the cycle repeats indefinitely.
Diagnostics
1. The status pnc command on the DEFINITY SAT shows both the A-side
and B-side State of Health field as partially functional.
Action
1. Correct the ATM addresses (or swap fibers) on the A500 between the A
and B side of the EPN.
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