---
title: "Sample code needed for TCP timeout and keep alive"
url: "https://maker.wiznet.io/forum/11072"
markdown_url: "https://maker.wiznet.io/forum/11072/md"
type: "Forum topic"
category: "Ethernet Chips"
author: "ab9993"
created: "2015-05-27T13:52:02+09:00"
last_activity: "2017-05-04T08:36:10+09:00"
language: "en"
views: 1148
replies: 0
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# Sample code needed for TCP timeout and keep alive

## Question

Asked by ab9993 on 2015-05-27 in Ethernet Chips.

Hi all,

I am new to wiznet w5100 and I have done with TCP/IP based Client/server using interrupt.
Now I want to use SEND_KEEP and TIMEOUT for TCP/IP client/server link status. please help me I don’t know how to implement it.
if anybody have sample code then please provide me…

thank you all…

---

Source: https://maker.wiznet.io/forum/11072