Please read the docs for a module before posting a question about it. I've never used Net::Telnet, but I spent less then 45 seconds skimming the docs before I found the answer to your question.

I'll give you a hint, grep for (and look at) all occurences of "Errmode" or "errmode".

In reply to Re: Net::telnet difficulty by hossman
in thread Net::telnet difficulty by mosh

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