BugZero | Cisco BugID CSCvn07478 - Ethernet FRR switchover takes more than 200ms on E...

Cisco - Defect ID: CSCvn07478

Ethernet FRR switchover takes more than 200ms on EPA10 and EPA100 if remote Rx fiber is pulled

Cisco - Defect ID: CSCvn07478

Ethernet FRR switchover takes more than 200ms on EPA10 and EPA100 if remote Rx fiber is pulled

Last updated on February 19th, 2026

BugZero Risk Score
7.7 High

Overall: 7.7

Severity: 8.2

Lifecycle: 9.1

Popularity: 3.7

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Bug Details

Description

Symptom

Conditions

FRR has been tested with the followig topology : ASR1K ----- ASR1K \ / \ / ASR9K ASR1K-2-ASR1K is b2b connected via EPA (10GE or 100GE) .

Workaround

Further Problem Description

Change history

2026-02-19 Removed: Gibraltar-16.10.1

2022-03-06 Added: 16.10.1, 16.6.1, Gibraltar-16.10.1

Relevant Products

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Affected versions:16.10.1, 16.6.1

Fixed versions: 16.10.2, 16.10.3, 16.11.1, 16.11.1a, 16.11.1b, 16.11.1c, 16.11.1s, 16.11.2, 16.12.1, 16.12.1a, 16.12.1c, 16.12.1s, 16.12.1t, 16.12.1v, 16.12.1w, 16.12.1x, 16.12.1y, 16.12.1z, 16.12.1z1, 16.12.1z2, 16.12.2, 16.12.2a, 16.12.2s, 16.12.2t, 16.12.3, 16.12.3a, 16.12.3s, 16.12.4, 16.12.4a, 16.12.5, 16.12.5a, 16.12.5b, 16.12.6, 16.12.6a, 16.12.7, 16.3.9, 16.6.6, 16.9.3, 17.1.1, 17.1.1a, 17.1.1s, 17.1.1t, 17.1.2, 17.1.3, 17.2.1, 17.2.1LA, 17.2.1a, 17.2.1r, 17.2.1v, 17.2.2, 17.2.3, 17.3.1, 17.3.1a, 17.3.1w, 17.3.1x, 17.3.1z, 17.3.2, 17.3.2a, 17.3.3, 17.3.3a, 17.3.4, 17.3.4a, 17.3.4b, 17.3.4c, 17.3.5, 17.3.5a, 17.4.1, 17.4.1a, 17.4.1b, 17.4.1c, 17.4.2, 17.4.2a, 17.5.1, 17.5.1a, 17.6.1, 17.6.1a, 17.6.1w, 17.6.1x, 17.6.2, 17.7.1, 17.7.1a, 17.7.1b, 3.6.4E_V152_2_E4

Relevant Products

Click on a version to see all relevant bugs

Affected versions:16.10.1, 16.6.1

Fixed versions: 16.10.2, 16.10.3, 16.11.1, 16.11.1a, 16.11.1b, 16.11.1c, 16.11.1s, 16.11.2, 16.12.1, 16.12.1a, 16.12.1c, 16.12.1s, 16.12.1t, 16.12.1v, 16.12.1w, 16.12.1x, 16.12.1y, 16.12.1z, 16.12.1z1, 16.12.1z2, 16.12.2, 16.12.2a, 16.12.2s, 16.12.2t, 16.12.3, 16.12.3a, 16.12.3s, 16.12.4, 16.12.4a, 16.12.5, 16.12.5a, 16.12.5b, 16.12.6, 16.12.6a, 16.12.7, 16.3.9, 16.6.6, 16.9.3, 17.1.1, 17.1.1a, 17.1.1s, 17.1.1t, 17.1.2, 17.1.3, 17.2.1, 17.2.1LA, 17.2.1a, 17.2.1r, 17.2.1v, 17.2.2, 17.2.3, 17.3.1, 17.3.1a, 17.3.1w, 17.3.1x, 17.3.1z, 17.3.2, 17.3.2a, 17.3.3, 17.3.3a, 17.3.4, 17.3.4a, 17.3.4b, 17.3.4c, 17.3.5, 17.3.5a, 17.4.1, 17.4.1a, 17.4.1b, 17.4.1c, 17.4.2, 17.4.2a, 17.5.1, 17.5.1a, 17.6.1, 17.6.1a, 17.6.1w, 17.6.1x, 17.6.2, 17.7.1, 17.7.1a, 17.7.1b, 3.6.4E_V152_2_E4

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Cisco - Defect ID: CSCvn07478

Ethernet FRR switchover takes more than 200ms on EPA10 and EPA100 if remote Rx fiber is pulled

Cisco - Defect ID: CSCvn07478

Ethernet FRR switchover takes more than 200ms on EPA10 and EPA100 if remote Rx fiber is pulled

Last updated on February 19th, 2026

BugZero Risk Score7.7 High

Bug Details

Symptom

Conditions

Workaround

Further Problem Description

Top Cisco Defects

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Links

BugZero Risk Score
7.7 High