Re: Want to map a reverse telnet to an IP address

From: Jerry Toomey (jetoomey@yahoo.com)
Date: Thu Jan 16 2003 - 20:28:28 GMT-3


Richard,
Try this. I have it working right now on enterprise IOS. I call it a
double-telnet because it takes up two VTY connections on your router, but
correctly relays a telnet connection.

--------------------------------
interface FastEthernet0/1
 lat enabled
!
translate lat TELNET-1001 tcp 10.1.1.1 port 2001 stream binary quiet
translate lat TELNET-1002 tcp 10.1.1.1 port 2002 stream binary quiet
translate lat TELNET-1003 tcp 10.1.1.1 port 2003 stream binary quiet
translate lat TELNET-1004 tcp 10.1.1.1 port 2004 stream binary quiet
translate lat TELNET-1005 tcp 10.1.1.1 port 2005 stream binary quiet
translate lat TELNET-1006 tcp 10.1.1.1 port 2006 stream binary quiet
translate lat TELNET-1007 tcp 10.1.1.1 port 2007 stream binary quiet
translate lat TELNET-1008 tcp 10.1.1.1 port 2008 stream binary quiet
translate lat TELNET-1009 tcp 10.1.1.1 port 2009 stream binary quiet
translate tcp 10.1.1.1 port 23 stream binary lat TELNET-1001
translate tcp 10.1.1.2 port 23 stream binary lat TELNET-1002
translate tcp 10.1.1.3 port 23 stream binary lat TELNET-1003
translate tcp 10.1.1.4 port 23 stream binary lat TELNET-1004
translate tcp 10.1.1.5 port 23 stream binary lat TELNET-1005
translate tcp 10.1.1.6 port 23 stream binary lat TELNET-1006
translate tcp 10.1.1.7 port 23 stream binary lat TELNET-1007
translate tcp 10.1.1.8 port 23 stream binary lat TELNET-1008
translate tcp 10.1.1.9 port 23 stream binary lat TELNET-1009
line vty 5 935
!
-----------------------

Jerry

--- Richard Young <cc_young@pacbell.net> wrote:
> Hi,
> I have a 2611 async router configured with reverse telnet to several
> hosts and
> the reverse telnet to each host works correctly. Here is the config.
> --------------------------------------------------------
> interface Loopback0
> ip address 1.1.1.1 255.255.255.255
> !
> ip host server1 2001 1.1.1.1
> ip host server2 2002 1.1.1.1
> ip host server3 2003 1.1.1.1
> ip host server4 2004 1.1.1.1
> ip host server5 2005 1.1.1.1
> ip host server6 2006 1.1.1.1
> ip host server7 2007 1.1.1.1
> ip host server8 2008 1.1.1.1
> ip host server9 2009 1.1.1.1
> !
> line 1 8
> no exec
> transport input all
>
------------------------------------------------------------------------------------
>
> I would like to have these devices available from somewhere else on my
> intranet
> by assigning a single ip address to each device.
>
> I do not want to have to type "telnet 1.1.1.1 2001" to access the
> server1
> for instance.
> I was thinking I could create several loopbacks, one for each device for
> instance:
>
> int loop 1
> ip address 1.1.1.1 255.255.255.255
> int loop 2
> ip address 1.1.1.2 255.255.255.255
> int loop 3
> ip address 1.1.1.3 255.255.255.255
> as an example.
>
> I would then advertise the 1.1.1.0 network to my intranet.
> At that point from anywhere on the intranet, I could telnet 1.1.1.1 ro
> get to
> server1
> or
> telnet 1.1.1.2 to get to server2 etc.
>
> This way I could add these to my local dns and telnet server1 to access
> server1 from anywhere on the intranet.
>
> If I could add port numbers to a dns entry something like
>
> server1 1.1.1.1 2001
> server2 1.1.1.2 2002
> server3 1.1.1.3 2003
>
> This might work.
>
> Anybody with any ideas?
>
> Thanks in advance
> Richard
> .
=====
Jerry Toomey of http://www.wansend.com can be reached at 877-690-2578



This archive was generated by hypermail 2.1.4 : Sat Feb 01 2003 - 07:33:51 GMT-3