Connectrix B-Series: Issue: SCN queue overflow for process 0.weblinker.fcg

Summary: Noticed SCN queue overflow for process 0.weblinker.fcg errors

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Symptoms

2024/06/18-04:08:49 (GMT), [SCN-1001], 6077, SLOT 2 | FFDC | CHASSIS, CRITICAL, ED_DCX7_8B, SCN queue overflow for process 0.weblinker.fcg
2024/06/18-04:08:49 (GMT), [SCN-1001], 6078, SLOT 2 | FFDC | CHASSIS, CRITICAL, ED_DCX7_8B, SCN queue overflow for process 0.weblinker.fcg

RAS logs: 
2024/06/18-04:03:44:626847 (GMT), [C5-5668], 0, SLOT 2 | CHASSIS | PORT 3/40, ERROR, ED_DCX7_8B, S3,P40(73): Port Fault: Hard 0(2) fault1=100 fault2=5 (0x64 0x0 0x0), OID:0x43328809, SPOID:0x43368128, c
2024/05/24-10:23:16 (GMT), [MS-1009], 742, SLOT 2 | FID 128 | PORT 4/17, ERROR, BCC_CORE_SAN_05, RLIR event Slot/Port 4/17 (0x0C7100) Device Port Tag is 0x0333,Loss of Signal or Synchronization.

The diag.log file, extracted from the supportsave bundle, contains critical errors that require examination. Below are the excerpts from dial.log: 
2024/06/15-00:02:42:595136 (GMT), [C5-5668], 0, SLOT 2 | CHASSIS | PORT 11/40, ERROR, ED_DCX7_8B, S11,P616(73): Port Fault: Hard 0(2) fault1=100 fault2=5 (0x64 0x0 0x0), OID:0x43b28809, SPOID:0x43b68128, c5

Cause

Flapping from few devices would have caused  disruption that weblinker could not keep up with the queue caused by all the state changes.
Weblinker faces challenges due to any misbehaving device that strains it. Whether it is a flapping ISL or port faults, such issues warrant a review of the RAS log for disruptive events.

Resolution

Ports which are misbehaving (flapping ISL or port faults) must be investigated.

Affected Products

Brocade
Article Properties
Article Number: 000226593
Article Type: Solution
Last Modified: 21 Nov 2025
Version:  3
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