I had a similar problem and couldn't figure it out. The code snippet below usually works around it for my purposes: 

  my $retry_count = 0;
  while(1){
    $rc = eval{$ssh->login();};
    last if defined $rc;
    last if $retry_count >= $max_retry_count;
    $retry_count++;
    sleep 1;
  }

[download]

In reply to Re: Net::SSH::Perl, Net::SSH::Expect crashes script if host is unreachable by jrsimmon
in thread Net::SSH::Perl, Net::SSH::Expect crashes script if host is unreachable by LadyEngineer

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