BugZero | Cisco BugID CSCwd37937 - Clarke Ph2: Speed 100 and Duplex Full: Traffic sto...

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BugZero | Cisco BugID CSCwd37937 - Clarke Ph2: Speed 100 and Duplex Full: Traffic sto...

ODD
Cisco
CSCwd37937

Cisco - Defect ID: CSCwd37937

Clarke Ph2: Speed 100 and Duplex Full: Traffic stops after Switchover

ODD
Cisco
CSCwd37937

Cisco - Defect ID: CSCwd37937

Clarke Ph2: Speed 100 and Duplex Full: Traffic stops after Switchover

Last updated on January 11th, 2026

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Overall: 7.8

Severity: 8.2

Lifecycle: 9.1

Popularity: 5.1

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Bug Details

Description

Symptom

GLC-T sfp is not link up with speed 100 and full duplex after switchover the Status of port display as "connected" under "show inter status" command, but ping/traffic can't get through.

Conditions

IE9300 or Cat9300. switchover

Workaround

Further Problem Description

Change history

2026-01-11 Added: 17.10.1, 17.11.1, 17.9.1, 17.9.2, 17.9.3, 17.9.4, 17.9.4a, 17.9.5

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:17.10.1, 17.11.1, 17.9.1, 17.9.2, 17.9.3, 17.9.4, 17.9.4a, 17.9.5

Fixed versions: 17.11.1, 17.11.1a, 17.12.02a, 17.12.1, 17.12.1a, 17.12.1w, 17.12.1x, 17.12.1y, 17.12.1z, 17.12.1z1, 17.12.1z2, 17.12.1z3, 17.12.1z4, 17.12.1z5, 17.12.1z6, 17.12.2, 17.12.2a, 17.12.3, 17.12.3a, 17.12.4, 17.12.4a, 17.12.4b, 17.12.5, 17.12.5a, 17.12.5b, 17.12.5c, 17.12.5d, 17.12.6, 17.12.6a, 17.13.1, 17.13.1a, 17.14.1, 17.14.1a, 17.15.1, 17.15.1a, 17.15.1b, 17.15.1w, 17.15.1x, 17.15.1y, 17.15.1z, 17.15.2, 17.15.2a, 17.15.2b, 17.15.2c, 17.15.3, 17.15.3a, 17.15.3b, 17.15.4, 17.15.4a, 17.15.4b, 17.15.4c, 17.15.4d, 17.15.4s1, 17.16.1, 17.16.1a, 17.17.1, 17.18.1, 17.18.1a, 17.18.1w, 17.18.2, 17.9.6, 17.9.6a, 17.9.6b, 17.9.7, 17.9.7a, 17.9.7b, 17.9.8

Relevant Products

Click on a version to see all relevant bugs

Affected versions:17.10.1, 17.11.1, 17.9.1, 17.9.2, 17.9.3, 17.9.4, 17.9.4a, 17.9.5

Fixed versions: 17.11.1, 17.11.1a, 17.12.02a, 17.12.1, 17.12.1a, 17.12.1w, 17.12.1x, 17.12.1y, 17.12.1z, 17.12.1z1, 17.12.1z2, 17.12.1z3, 17.12.1z4, 17.12.1z5, 17.12.1z6, 17.12.2, 17.12.2a, 17.12.3, 17.12.3a, 17.12.4, 17.12.4a, 17.12.4b, 17.12.5, 17.12.5a, 17.12.5b, 17.12.5c, 17.12.5d, 17.12.6, 17.12.6a, 17.13.1, 17.13.1a, 17.14.1, 17.14.1a, 17.15.1, 17.15.1a, 17.15.1b, 17.15.1w, 17.15.1x, 17.15.1y, 17.15.1z, 17.15.2, 17.15.2a, 17.15.2b, 17.15.2c, 17.15.3, 17.15.3a, 17.15.3b, 17.15.4, 17.15.4a, 17.15.4b, 17.15.4c, 17.15.4d, 17.15.4s1, 17.16.1, 17.16.1a, 17.17.1, 17.18.1, 17.18.1a, 17.18.1w, 17.18.2, 17.9.6, 17.9.6a, 17.9.6b, 17.9.7, 17.9.7a, 17.9.7b, 17.9.8

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