feat(ddx): add network troubleshooting index

pages/dedibox-network/troubleshooting/index.mdx

@@ -0,0 +1,44 @@
+---
+meta:
+  title: Dedibox Network - Troubleshooting
+  description: Find troubleshooting resources for resolving issues with Dedibox Network.
+content:
+  paragraph: Find troubleshooting resources for resolving issues with Dedibox Network.
+dates:
+  posted: 2025-03-11
+categories:
+  - dedibox
+---
+
+<ProductHeader
+  productName="Dedibox Network troubleshooting"
+  productLogo="Dedibox Network"
+  description="Learn how to fix common issues related to the network connectivity of your Dedibox server."
+/>
+
+## Featured Pages
+
+<Grid>
+    <DefaultCard
+      title="Dedibox FAQ"
+      description="General info on Dedibox servers."
+      url="/faq/dedibox/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Troubleshooting Dedibox network issues"
+      description="Learn how to diagnose and interpret connectivity issues with the network of your Dedibox server."
+      url="/dedibox-network/troubleshoot/network-troubleshooting/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Dedibox anti-DDoS solutions"
+      description="Scaleway provides comprehensive anti-DDoS protection for all its dedicated servers at no extra cost."
+      url="/dedibox-network/reference-content/anti-ddos/"
+      label="See more"
+    />
+</Grid>
+
+## Dedibox Network troubleshooting pages
+
+- [Troubleshooting Dedibox network issues](/dedibox-network/troubleshoot/network-troubleshooting/)

pages/dedibox-network/troubleshooting/network-troubleshooting.mdx

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+---
+meta:
+  title: Troubleshooting Dedibox network issues
+  description: This page explains how to troubleshoot network-related issues on your Scaleway Dedibox dedicated server.
+content:
+  h1: Troubleshooting Dedibox network issues
+  paragraph: This page provides techniques for diagnosing and resolving network-related issues on your Scaleway Dedibox dedicated server.
+tags: mtr-test dedibox network iperf mtr
+dates:
+  validation: 2025-03-11
+  posted: 2021-08-20
+categories:
+  - dedibox-network
+---
+
+## Problem
+To diagnose network issues, you need to perform a series of tests.
+
+### Symptoms
+- Slow network speeds
+- High packet loss
+- Unstable connections
+
+## Possible Causes
+- Network congestion
+- Hardware issues
+- Misconfigured network settings
+
+## Solution
+Use MTR and iPerf tests to analyze network performance.
+
+### MTR Test
+
+An MTR test combines the functionality of `traceroute` and `ping` to examine all points between two machines.
+
+When performing an MTR test, it is important to run it in both directions:
+
+- From your server to your connection's IP
+- From your connection to the server
+
+#### On Linux
+Ensure the `mtr` package is installed:
+
+```
+sudo apt-get install mtr
+```
+or
+```
+sudo yum install mtr
+```
+
+#### On Windows
+
+<Message type="note">
+  You need to install [WinMTR](https://sourceforge.net/projects/winmtr/) on your server.
+</Message>
+
+1. Download the application from its [project page](https://sourceforge.net/projects/winmtr/).
+2. Extract the archive and run the executable.
+3. Enter the target IP in the **Host** text box, then click **Start**. Wait one or two minutes before stopping the test. You can take a screenshot or export the results using the software's built-in functions.
+
+#### Example of an MTR test between a Scaleway Dedibox server and `free.fr`
+
+```
+root@163-172-30-2:~# mtr --report free.fr
+Start: Sun May  1 16:23:57 2016
+HOST: 163-172-30-2                Loss%   Snt   Last   Avg  Best  Wrst StDev
+1.|-- 163-172-30-1.rev.poneytel  0.0%    10    0.5   0.5   0.4   0.5   0.0
+2.|-- 195.154.1.248              0.0%    10    1.6   1.0   0.9   1.6   0.0
+3.|-- 195.154.1.254              0.0%    10    1.2   1.4   1.2   2.6   0.3
+...
+```
+
+**Key metrics:**
+
+- **Loss%**: Percentage of lost packets
+- **Snt**: Number of packets sent (here, 10)
+- **Last**: Latency of the last packet sent
+- **Avg**: Average latency for all packets sent
+- **Best**: Lowest recorded latency
+- **Wrst**: Highest recorded latency
+
+### iPerf test
+
+An iPerf test helps measure the available bandwidth of your server.
+
+The iPerf server `ping.online.net` offers several ports (5200-5209). If the default port is busy, specify another port using the `-p` flag, e.g., `-p 5203`.
+
+#### On Linux
+
+If iPerf is not installed, install it using:
+
+```
+sudo apt-get install iperf3
+```
+or
+```
+yum install iperf3
+```
+
+Run the test:
+
+```
+root@163-172-30-2:~# iperf3 -c ping.online.net -R
+------------------------------------------------------------
+Client connecting to ping.online.net, TCP port 5001
+TCP window size: 85.0 KByte (default)
+------------------------------------------------------------
+[  3] local 163.172.30.2 port 36490 connected with 62.210.18.40 port 5001
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-10.0 sec  1.10 GBytes   943 Mbits/sec
+```
+
+<Message type="note">
+  If your server is located in Amsterdam, use: `iperf3 -c ping-ams1.online.net -R`
+</Message>
+
+#### On Windows
+
+1. Download iPerf [from its website](https://iperf.fr/iperf-download.php#windows).
+2. Choose the latest version and download the file.
+3. Extract the file.
+4. Open a terminal and run:
+    ```
+    iperf3.exe -c ping.online.net -p 5203
+    ```
+
+**Key metrics:**
+
+- **Interval**: Sampling interval in seconds
+- **Transfer**: Amount of data transferred
+- **Bandwidth**: Available bandwidth
+
+### If your server’s network port is off
+
+If you change your dedicated server's mode (e.g., from normal to rescue mode) during a reboot, you may see the following error in your console:
+
+<Message type="important">
+  **Your server's network port is off.**
+  If you recently requested a reboot or changed to rescue/test mode, this message should disappear within a few seconds. If it persists, your network may have been blocked due to unauthorized traffic. Contact support to unlock your server.
+</Message>
+
+If this message appears repeatedly or for long periods, your server may be sending unauthorized DHCP traffic, an unassigned MAC address, excessive ARP requests, or too many requests per second.
+
+If the message persists, try clearing your browser cache or reloading the page multiple times.
+
+<Message type="important">
+  When configuring the WAN interface on a **PfSense firewall**, disable autoconfiguration. It may cause an IPv6 packet flood, shutting down your server’s network port. If the network ports do not become available within a few minutes, contact [support](https://console.online.net/en/assistance/ticket).
+</Message>
+