> Source: [sk177029](https://support.checkpoint.com/results/sk/sk177029)

# sk177029 - Inserting an SFP into a 1200R appliance causes it to reboot

| Property | Value |
|----------|-------|
| Solution ID | sk177029 |
| Date Created | 2021-12-28 |
| Last Modified | 2021-12-28 |
| Technical Level | General |
| Products | Spark Firewall (Locally Managed) |
| Versions | R82.00.X, R81.10.X |

## Symptoms

- Inserting an SFP into a 1200R appliance causes it to reboot.

## Cause

When the SFP is removed or inserted, the device kernel panics which results in a reboot.

## Solution

This problem was fixed. The fix is included starting from:

* [Check Point R77.20.81 Build 611](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk137212&partition=Basic&product=Quantum)

<br />

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content