Extra new line while using Telnet connection

[Ashirov]

Windows Terminal version

1.11.34.71.0

Windows build number

10.0.19043.1526

Other Software

VMware® Workstation 16 Pro (version: 16.1.0 build-17198959) EVE-NG Community edition (version: 2.0.3-112)

Steps to reproduce

I use WT for network labs. I connect to nodes with a Telnet connection. And while I am inside the CLI of nodes and doing some stuff there. Exactly at this point when I press the Enter key to go to the new line. It gives me two new lines. It feels like I have pressed the key twice. Instead of WT when I use Solar-Putty this does not happen. Whereas I prefer to use WT and want it to work properly.

Expected Behavior

It should give only one new line each time I press to the enter key

Actual Behavior

It doubles the new line. Which is irritating.

In case you need more detail, the following virtual images are from vendors such as:

• Juniper: vMX Router:

• Cisco: IOS Router:

[zadjii-msft]

how the devil did we not see your first post...? That apparently never got into the triage queue. Sorry about that! Which telnet client are you using?

[Ashirov]

I use SolarPuTTY for its multi-tab feature and Windows Terminal

[zadjii-msft]

Okay, where'd you install telnet.exe from? Did that ship with SolarPuTTY or did you get it from somewhere else?

[Ashirov]

Isn't the Telnetbuilt-in Microsoft Windows Feature? As I know it is the default Microsoft Telnet Client. If not then SolarPuTTY is based on the PuTTY emulator, so perhaps this is where it shipped from.

[NigrumTredecim]

Workaround/fix: Host: telnetd on Terminal IDE app by SpartacusRex Client: PuTTY telnet Fix: open PuTTY settings > Connection > Telnet > remove checkmark from box "Return key sends Telnet New Line instead of ^M"

So it probably has to do something with what character gets send as a carriage return.

[mlazzarotto]

Hi 👋 same issue here. I use telnet for my GNS3 lab. In my case, this is the telnet I use:

Name            : telnet.exe
CommandType     : Application
Definition      : C:\WINDOWS\system32\telnet.exe
Extension       : .exe
Path            : C:\WINDOWS\system32\telnet.exe
FileVersionInfo : File:             C:\WINDOWS\system32\telnet.exe
                  InternalName:     telnet.exe
                  OriginalFilename: telnetc.exe.mui
                  FileVersion:      10.0.22621.1554 (WinBuild.160101.0800)
                  FileDescription:  Microsoft Telnet Client
                  Product:          Microsoft® Windows® Operating System
                  ProductVersion:   10.0.22621.1554
                  Debug:            False
                  Patched:          False
                  PreRelease:       False
                  PrivateBuild:     False
                  SpecialBuild:     False
                  Language:         English (United States)

EDIT: I used this command to obtain the output above: Get-Command telnet.exe | Format-List

[tlsalex]

I also got this same problem, anyone can help on this ?

[tlsalex]

@Ashirov , do you have any workaround?

[tlsalex]

Change the value of CRLF from 1 to 0 in registry works well for me.