Author Topic: How can I see the boot progress?  (Read 1884 times)

Offline hack3rcon

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How can I see the boot progress?
« on: November 28, 2020, 10:01:09 AM »
Hello,
When my switch couldn't boot, then how can I see what happened? Can I use console cable to see the boot progress? I mean is something like https://www.howtoforge.com/images/centos_8_server/centos-8-minimal-2020-07-16-15-56-11.png

Thank you.


Offline acejavelin

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Re: How can I see the boot progress?
« Reply #1 on: November 28, 2020, 10:51:22 AM »
Just plug into the RS232 port on the front, use a terminal (most people I know use TeraTerm) and set it for 9600-8N1 and you can watch the boot process.

Offline hack3rcon

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Re: How can I see the boot progress?
« Reply #2 on: November 29, 2020, 12:38:54 AM »
Thank you.
Do you recommend RS-232 to VGA or USB?
How about a tool like PuTTY?

Offline sunspark

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Re: How can I see the boot progress?
« Reply #3 on: November 29, 2020, 06:27:56 PM »
Thank you.
Do you recommend RS-232 to VGA or USB?
How about a tool like PuTTY?

You need rs232 usb with putty

Offline acejavelin

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Re: How can I see the boot progress?
« Reply #4 on: November 29, 2020, 11:22:05 PM »
Thank you.
Do you recommend RS-232 to VGA or USB?
How about a tool like PuTTY?
You need a physical serial port... either built in your laptop (extremely rare now days) or via USB. If you are going to get one, this only needs a cheap one but I recommend investing in a Digi Edgeport/1 USB device if you will be doing much with things like routers or older telecom equipment as it can map itself to COM1/2 necessary with some older software. Other than that, your software is not really relevant, as long as it support a basic terminal. The display needed by the 3300 doesn't need to be anything special, but we typically use TeraTerm for everything RS232 related. https://ttssh2.osdn.jp/index.html.en that said, I believe Putty connected to the correct serial COM port would work as well.
« Last Edit: November 29, 2020, 11:23:42 PM by acejavelin »

Offline hack3rcon

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Re: How can I see the boot progress?
« Reply #5 on: November 30, 2020, 03:55:23 AM »
Is this cable useful too?

Offline kokolino23

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Re: How can I see the boot progress?
« Reply #6 on: November 30, 2020, 04:45:58 AM »

Offline sunspark

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Re: How can I see the boot progress?
« Reply #7 on: November 30, 2020, 07:45:40 AM »

Offline hack3rcon

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Re: How can I see the boot progress?
« Reply #8 on: December 01, 2020, 07:52:50 AM »
Thank you so much.
I will prepare it.

Offline Forr13

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Re: How can I see the boot progress?
« Reply #9 on: January 14, 2021, 10:07:54 AM »
You can do this with a USB B printer type cable and Putty running 115200.
You will need to install serial drivers - https://drivers.softpedia.com/get/Other-DRIVERS-TOOLS/Others/Silicon-Labs-CP2101-USB-to-UART-Bridge-VCP-Driver-661.shtml
« Last Edit: January 14, 2021, 10:10:37 AM by Forr13 »


 

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