# Capture ICMP Packets

In order to capture ICMP packets using `tcpdump` we can use the following command -

## Usage

```bash
sudo tcpdump icmp
```

We can also add `-vv` argument for more verbose output.

***Source:*** [***Danielmiessler***](https://danielmiessler.com/study/tcpdump/#protocol)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://til.devjugal.com/linux/tcpdump/capture-icmp-packets.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.