---
title: "No establish"
url: "https://maker.wiznet.io/forum/10887"
markdown_url: "https://maker.wiznet.io/forum/10887/md"
type: "Forum topic"
category: "Ethernet Chips"
author: "milstar"
created: "2015-03-06T10:34:30+09:00"
last_activity: "2017-05-04T08:35:24+09:00"
language: "en"
views: 497
replies: 2
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# No establish

## Question

Asked by milstar on 2015-03-06 in Ethernet Chips.

i am a new user of W530
in the sw i sent a reset after a hardware reset,
write the source IP, PORT,SUBNETMASK(255.255.255.0),
put soket0 to TCP mode,open the socket, and i receive sock init status.
then i put the listen command but no established happened.
what i am missing?

## Replies

### Reply 1 by milstar, 2015-03-06

if some one can send me an example , what is the correct way to program the device as server.

### Reply 2 by bangbh, 2015-04-26

I need more information.

1. Was link led blinking?

2. How did you connect? W5500 - PC Directly? or Use AP?

3. If you try to connect over the internet, you have to put the official mac address.

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Source: https://maker.wiznet.io/forum/10887