# Cloudflare: Major incident: Network Performance Issues in Columbus

**Summary:** Cloudflare reported major network performance issues in Columbus, OH (CMH), starting 2026-10-07 02:48 UTC and resolved at 2026-10-07 11:51 UTC, lasting 9 h 2 min. A fix was implemented and monitoring began at 05:11 UTC; no cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-10-07 02:48 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://www.cloudflarestatus.com/incidents/tt8f4ttcuonf](https://www.cloudflarestatus.com/incidents/tt8f4ttcuonf)
- [Company: Cloudflare](https://rewindex.com/company/cloudflare.md)
- Versions: before (none: first archived) → after incident\_version:82/tt8f4ttcuonf@3905119eadf1
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Network Performance Issues in Columbus
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-07 02:48 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-07 11:51 UTC
```

**6. Added: Affected components**

```diff
+ Cloudflare Sites and Services - Network, Columbus, OH, United States - (CMH), Network, North America - Columbus, OH, United States - (CMH)
```

**7. Added: Update** (investigating) · 2026-10-07 02:48 UTC

```diff
+ Cloudflare is investigating issues with Network Performance in Columbus, OH (CMH).  We are working to analyze and mitigate this problem. More updates to follow shortly.
```

**8. Added: Update** (identified) · 2026-10-07 03:06 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**9. Added: Update** (monitoring) · 2026-10-07 05:11 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2026-10-07 11:51 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-07 02:48 UTC | Major incident: Network Performance Issues in Columbus (this change) | degradation |

All Cloudflare changes: [timeline](https://rewindex.com/company/cloudflare/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/i2a13a78d55da38 · Markdown: https://rewindex.com/change/i2a13a78d55da38.md · JSON: https://rewindex.com/api/v1/changes/i2a13a78d55da38 · Generated 2026-10-18T00:38:56.592Z