64 Service Manual (AA-RS2ED-TE, July 2004)

Event Code Tables

339Director 2/64 Service Manual

Event Code: 142

Message: Low BB_Credit detected on an ISL.

Severity: Informational.

Explanation: Open Trunking firmware detected an ISL with no transmission BB_Credit for a period

of time that exceeded the configured low BB_Credit threshold. This indicates

downstream fabric congestion.

Action: No action is required for an isolated event or if the reporting ISL approaches 100%

throughput. If this event persists, relieve the low BB_Credit condition by adding

parallel ISLs, increasing the ISL link speed, or moving device connections to a

less-congested region of the fabric.

Event Data: Byte 0 = Port number reporting low BB_Credit.

Distribution: Director HAFM appliance Host

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