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tftp.md 5.39 KB

# tftp<a name="EN-US_TOPIC_0000001051451597"></a>

-   [Command Function](#section15142134573911)
-   [Syntax](#section20958174917394)
-   [Parameter Description](#section576613532395)
-   [Usage](#section149795134408)
-   [Example](#section148921918114015)
-   [Output](#section7872155631313)

## Command Function<a name="section15142134573911"></a>

Trivial File Transfer Protocol \(TFTP\) is a protocol in the TCP/IP protocol suite for transferring files between clients and servers. TFTP provides simple and low-overhead file transfer services. The port number is 69.

The  **tftp**  command is used to download files from the TFTP server.

## Syntax<a name="section20958174917394"></a>

./bin/tftp  _<-g/-p\>_ _-l_ _\[FullPathLocalFile\] -r \[RemoteFile\] \[Host\]_

## Parameter Description<a name="section576613532395"></a>

**Table  1**  Parameters

<a name="table2894mcpsimp"></a>
<table><thead align="left"><tr id="row2900mcpsimp"><th class="cellrowborder" valign="top" width="20.79%" id="mcps1.2.4.1.1"><p id="p2902mcpsimp"><a name="p2902mcpsimp"></a><a name="p2902mcpsimp"></a><strong id="b116998706011737"><a name="b116998706011737"></a><a name="b116998706011737"></a>Parameter</strong></p>
</th>
<th class="cellrowborder" valign="top" width="52.480000000000004%" id="mcps1.2.4.1.2"><p id="p2904mcpsimp"><a name="p2904mcpsimp"></a><a name="p2904mcpsimp"></a><strong id="b13511135745719"><a name="b13511135745719"></a><a name="b13511135745719"></a>Description</strong></p>
</th>
<th class="cellrowborder" valign="top" width="26.729999999999997%" id="mcps1.2.4.1.3"><p id="p2906mcpsimp"><a name="p2906mcpsimp"></a><a name="p2906mcpsimp"></a><strong id="b174218805911737"><a name="b174218805911737"></a><a name="b174218805911737"></a>Value Range</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="row2907mcpsimp"><td class="cellrowborder" valign="top" width="20.79%" headers="mcps1.2.4.1.1 "><p id="p2909mcpsimp"><a name="p2909mcpsimp"></a><a name="p2909mcpsimp"></a>-g/-p</p>
</td>
<td class="cellrowborder" valign="top" width="52.480000000000004%" headers="mcps1.2.4.1.2 "><p id="p2911mcpsimp"><a name="p2911mcpsimp"></a><a name="p2911mcpsimp"></a>Indicates the file transfer direction.</p>
<a name="ul73571240131312"></a><a name="ul73571240131312"></a><ul id="ul73571240131312"><li><strong id="b0778214125818"><a name="b0778214125818"></a><a name="b0778214125818"></a>-g</strong>: downloads files from the TFTP server.</li><li><strong id="b7168132555814"><a name="b7168132555814"></a><a name="b7168132555814"></a>-p</strong>: uploads files to the TFTP server.</li></ul>
</td>
<td class="cellrowborder" valign="top" width="26.729999999999997%" headers="mcps1.2.4.1.3 "><p id="p14399194271310"><a name="p14399194271310"></a><a name="p14399194271310"></a>N/A</p>
</td>
</tr>
<tr id="row2921mcpsimp"><td class="cellrowborder" valign="top" width="20.79%" headers="mcps1.2.4.1.1 "><p id="p2923mcpsimp"><a name="p2923mcpsimp"></a><a name="p2923mcpsimp"></a>-l FullPathLocalFile</p>
</td>
<td class="cellrowborder" valign="top" width="52.480000000000004%" headers="mcps1.2.4.1.2 "><p id="p2925mcpsimp"><a name="p2925mcpsimp"></a><a name="p2925mcpsimp"></a>Indicates the complete path of a local file.</p>
</td>
<td class="cellrowborder" valign="top" width="26.729999999999997%" headers="mcps1.2.4.1.3 "><p id="entry2926mcpsimpp0"><a name="entry2926mcpsimpp0"></a><a name="entry2926mcpsimpp0"></a>N/A</p>
</td>
</tr>
<tr id="row2927mcpsimp"><td class="cellrowborder" valign="top" width="20.79%" headers="mcps1.2.4.1.1 "><p id="p2929mcpsimp"><a name="p2929mcpsimp"></a><a name="p2929mcpsimp"></a>-r RemoteFile</p>
</td>
<td class="cellrowborder" valign="top" width="52.480000000000004%" headers="mcps1.2.4.1.2 "><p id="p2931mcpsimp"><a name="p2931mcpsimp"></a><a name="p2931mcpsimp"></a>Indicates the file name on the server.</p>
</td>
<td class="cellrowborder" valign="top" width="26.729999999999997%" headers="mcps1.2.4.1.3 "><p id="entry2932mcpsimpp0"><a name="entry2932mcpsimpp0"></a><a name="entry2932mcpsimpp0"></a>N/A</p>
</td>
</tr>
<tr id="row2933mcpsimp"><td class="cellrowborder" valign="top" width="20.79%" headers="mcps1.2.4.1.1 "><p id="p2935mcpsimp"><a name="p2935mcpsimp"></a><a name="p2935mcpsimp"></a>Host</p>
</td>
<td class="cellrowborder" valign="top" width="52.480000000000004%" headers="mcps1.2.4.1.2 "><p id="p2937mcpsimp"><a name="p2937mcpsimp"></a><a name="p2937mcpsimp"></a>Indicates the server IP address.</p>
</td>
<td class="cellrowborder" valign="top" width="26.729999999999997%" headers="mcps1.2.4.1.3 "><p id="entry2938mcpsimpp0"><a name="entry2938mcpsimpp0"></a><a name="entry2938mcpsimpp0"></a>N/A</p>
</td>
</tr>
</tbody>
</table>

## Usage<a name="section149795134408"></a>

1.  Deploy a TFTP server on the server and configure the TFTP server correctly.
2.  Use the  **tftp**  command to upload and download files on the OpenHarmony board.
3.  The size of the file to be transferred cannot exceed 32 MB.

>![](public_sys-resources/icon-notice.gif) **NOTICE:** 
    >TFTP is under debugging and disabled by default. Do not use it in formal products.

## Example<a name="section148921918114015"></a>

Download the  **out**  file from the server.

## Output<a name="section7872155631313"></a>

```
OHOS # ./bin/tftp -g -l /nfs/out -r out 192.168.1.2
TFTP transfer finish
```

After the  **tftp**  command is executed,  **TFTP transfer finish**  is displayed if the file transfer is complete. If the file transfer fails, other information is displayed to help locate the fault.

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提交于 2021-03-12 17:59 . !197 Docs Update version 1.0.1

tftp

Command Function
Syntax
Parameter Description
Usage
Example
Output

Command Function

Trivial File Transfer Protocol (TFTP) is a protocol in the TCP/IP protocol suite for transferring files between clients and servers. TFTP provides simple and low-overhead file transfer services. The port number is 69.

The tftp command is used to download files from the TFTP server.

Syntax

./bin/tftp <-g/-p> -l [FullPathLocalFile] -r [RemoteFile] [Host]

Parameter Description

Table 1 Parameters

Parameter	Description	Value Range
-g/-p	Indicates the file transfer direction. -g: downloads files from the TFTP server. -p: uploads files to the TFTP server.	N/A
-l FullPathLocalFile	Indicates the complete path of a local file.	N/A
-r RemoteFile	Indicates the file name on the server.	N/A
Host	Indicates the server IP address.	N/A

Usage

Deploy a TFTP server on the server and configure the TFTP server correctly.
Use the tftp command to upload and download files on the OpenHarmony board.
The size of the file to be transferred cannot exceed 32 MB.

NOTICE: TFTP is under debugging and disabled by default. Do not use it in formal products.

Example

Download the out file from the server.

Output

OHOS # ./bin/tftp -g -l /nfs/out -r out 192.168.1.2
TFTP transfer finish

After the tftp command is executed, TFTP transfer finish is displayed if the file transfer is complete. If the file transfer fails, other information is displayed to help locate the fault.

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