[c-nsp] 2511 as console server - connection refused?

[Mark Zipp]

On 11/06/07, Mark Zipp <mark.r.zipp at gmail.com> wrote:

>
> Here's a trick to avoid having to remember the TCP port numbers that
> correspond to serial lines. Cisco console servers can perform TCP port
> translation - an incoming TCP connection to port 23 to a particular IP
> address on the console server is translated to the mapped serial line
> TCP port. You can then put your console ports into DNS, and to an
> extent, shift them around between different console servers without
> the people using them knowing (limited to all the ports within the
> subnet being announced, although pushing /32s into the routing cloud
> for this specific purpose might be acceptable, allowing full console
> server / serial device independence.)
>

Or even easier, move the device to a different console / console port,
which changes the IP address, and then update DNS !