EyezOn Forum

Hi,
I'm having problems connecting to my EVL3 TPI and I was wondering if anyone has any suggestions.

Here's what is occurring:
1) connect via Putty to it on port 4025 in raw mode. Get a 5053CD response
2) Enter 05userCA
3) Get a 5000052A
5050CA response

Here's what I've done to troubleshoot:
1) confirmed I can log into the EVL3 via the web interface
2) reset the EVL password via the Eyezon website
3) RE-powered on the EVL3
4) changed the IP address of the EVL3
5) I've rebooted the EVL 3 via the web interface
6) I've changed the password to the EVL3 via the EVL3 web interface

I'm out of ideas. Does anyone have any thoughts?

I'm sure its been discussed on the forum before but if not, you can't use Putty interactively with the DSC TPI. There is an issue with the current firmware where the login string has to arrive with the CRLF in the same IP packet. Putty, for some reason, always sends it as a separate IP packet.

Just use some other type of raw TCP client or just start working on your application as it really isn't meant for human interaction.

K-Man wrote:I'm sure its been discussed on the forum before but if not, you can't use Putty interactively with the DSC TPI. There is an issue with the current firmware where the login string has to arrive with the CRLF in the same IP packet. Putty, for some reason, always sends it as a separate IP packet.

Just use some other type of raw TCP client or just start working on your application as it really isn't meant for human interaction.

Thanks.

So part of the reason I ended up where I was because a python program to connect to it was not able to successfully log on - so I was trying to debug it.

I downloaded Packet Sender to try this again. Here's why I did:

1) Sent 005userCA in ASCII
2) Got the following response: 5053CD\r\n5000052A\r\n5050CA\r\

Any other ideas?

Your forgot your CR LF at the end of your string. Also, you can't send your login string until you get the 5053 prompt. Packet Sender may send your string immediately after the socket is setup which is too soon.

When doing your python development, don't forget to run tcpdump or wireshark at the same time. You will save yourself countless hours of debug.