Cisco Bug: CSCsz09731 - PXM45 high cpu due to pnccb task, MPSM NAK reason code change needed
Feb 22, 2014
- Cisco MGX 8800 Series Switches
Known Affected Releases
Symptom: PXM CPU utilization is going high due to PnCcb task. When CPU utilization is high, customer is unable to manage the node. The CLI becomes extemely unresponsive. Conditions: 1. Single ended SPVCs with non-existent FR slave end on the MPSM(dangling connections) 2. Non-persistent blocking option on the MPSM FR port (Slave End) is set to "NO" 3. Complex node respresentation is used on Master End 4. On-Demand Routing Policy on the master end node is "Best-Fit" Note: The issue of high CPU usage is not always reproducible under the mentioned conditions.
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