Problems reverse telnetting

I have a 2620 being used as a console server. I have an async 32A card in it with two octal cables connected to my deivces. When trying to reverse telnet to any of the lines, all I get is:
% Connection refused by remote host
Here is the configuration:
no network-clock-participate slot 1
no network-clock-participate wic 0
aaa new-model
aaa authentication password-prompt Local_Password:
aaa authentication username-prompt Local_Username:
aaa authentication login default group tacacs+ local
aaa authentication enable default group tacacs+ enable
aaa accounting update newinfo
aaa accounting exec default stop-only group tacacs+
aaa accounting commands 15 default stop-only group tacacs+
aaa session-id common
ip subnet-zero
ip cef
interface FastEthernet0/0
ip address 10.20.1.6 255.255.255.0
duplex auto
speed auto
interface Async1
no ip address
async default routing
async mode interactive
no ip http server
ip classless
ip route 0.0.0.0 0.0.0.0 10.20.1.1
line con 0
line 1
modem InOut
transport input all
stopbits 1
speed 115200
flowcontrol hardware
line 33 64
no exec
transport input telnet
stopbits 1
line aux 0
line vty 0 4
exec-timeout 0 0

Here is the output of show line:
DDRTS1001# sh line
Tty Typ Tx/Rx 0 CTY I 1 TTY 115200/115200- inout 33 TTY 9600/9600 - - 34 TTY 9600/9600 - - 35 TTY 9600/9600 - - 36 TTY 9600/9600 - - 37 TTY 9600/9600 - - 38 TTY 9600/9600 - - 39 TTY 9600/9600 - - 40 TTY 9600/9600 - - 41 TTY 9600/9600 - - 42 TTY 9600/9600 - - 43 TTY 9600/9600 - - 44 TTY 9600/9600 - - 45 TTY 9600/9600 - - 46 TTY 9600/9600 - - 47 TTY 9600/9600 - - 48 TTY 9600/9600 - - 49 TTY 9600/9600 - - 50 TTY 9600/9600 - - 51 TTY 9600/9600 - - 52 TTY 9600/9600 - - 53 TTY 9600/9600 - - 54 TTY 9600/9600 - - 55 TTY 9600/9600 - - 56 TTY 9600/9600 - - 57 TTY 9600/9600 - - 58 TTY 9600/9600 - - 59 TTY 9600/9600 - - 60 TTY 9600/9600 - - 61 TTY 9600/9600 - - 62 TTY 9600/9600 - - 63 TTY 9600/9600 - - 64 TTY 9600/9600 - - 65 AUX 9600/9600 - - * 66 VTY 67 VTY 68 VTY 69 VTY 70 VTY Line(s) not in async 2-32
What am I missing?? A Modem Roty AccO AccI Uses Noise Overruns Int
- - - - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 1 0/0 -
- - - 0 0 0/0 -
- - - 0 1 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 3 1/0 -
- - - 0 3 1/0 -
- - - 0 0 0/0 -
- - - 0 3 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - 0 0 0/0 -
- - - - - 3 0 0/0 -
- - - - - 2 0 0/0 -
- - - - - 0 0 0/0 -
- - - - - 0 0 0/0 -
- - - - - 0 0 0/0 -
mode -or- with no hardware support:

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ASA5520 reverse telnet problem

Hi all,
I have a problem with ASA5520 and reverse telnet. I recently upgrade IOS on ASA5520, asa921-k8. Problem is that cisco has latest IOS version asa91x.... for this platform.
I have 7201 on remote site, and connect his aux to asa console. When I do telnet to specific port, this is output:
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High Memory: 2048 MB
PCI Device Table.
Bus Dev Func VendID DevID Class              Irq
00 00 00   8086   2578 Host Bridge
00 01 00   8086   2579 PCI-to-PCI Bridge
00 03 00   8086   257B PCI-to-PCI Bridge
00 1C 00   8086   25AE PCI-to-PCI Bridge
00 1D 00   8086   25A9 Serial Bus         11
00 1D 01   8086   25AA Serial Bus         10
00 1D 04   8086   25AB System
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00 1D 07   8086   25AD Serial Bus         9
00 1E 00   8086   244E PCI-to-PCI Bridge
00 1F 00   8086   25A1 ISA Bridge
00 1F 02   8086   25A3 IDE Controller     11
00 1F 03   8086   25A4 Serial Bus         5
00 1F 05   8086   25A6 Audio              5
02 01 00   8086   1075 Ethernet           11
03 01 00   177D   0003 Encrypt/Decrypt    9
03 02 00   8086   1079 Ethernet           9
03 02 01   8086   1079 Ethernet           9
03 03 00   8086   1079 Ethernet           9
03 03 01   8086   1079 Ethernet           9
04 02 00   8086   1209 Ethernet           11
04 03 00   8086   1209 Ethernet           5
Evaluating BIOS Options ...
Launch BIOS Extension to setup ROMMON
Cisco Systems ROMMON Version (1.0(11)2) #0: Thu Jan 26 10:43:08 PST 2006
Platform ASA5520
Use BREAK or ESC to interrupt boot.
Use SPACE to begin boot immediately.
Launching BootLoader...
Boot configuration file contains 1 entry.
Loading disk0:/asa921-k8.bin... Booting...
Platform ASA5520
This ASA image cannot run on a ASA5520 system.
ÿ
Booting system, please wait...
CISCO SYSTEMS
Embedded BIOS Version 1.0(11)2 01/25/06 13:21:26.17
Low Memory: 631 KB
High Memory: 2048 MB
PCI Device Table.
Bus Dev Func VendID DevID Class              Irq
00 00 00   8086   2578 Host Bridge
00 01 00   8086   2579 PCI-to-PCI Bridge
00 03 00   8086   257B PCI-to-PCI Bridge
00 1C 00   8086   25AE PCI-to-PCI Bridge
00 1D 00   8086   25A9 Serial Bus         11
00 1D 01   8086   25AA Serial Bus         10
00 1D 04   8086   25AB System
00 1D 05   8086   25AC IRQ Controller
00 1D 07   8086   25AD Serial Bus         9
00 1E 00   8086   244E PCI-to-PCI Bridge
00 1F 00   8086   25A1 ISA Bridge
00 1F 02   8086   25A3 IDE Controller     11
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00 1F 05   8086   25A6 Audio              5
02 01 00   8086   1075 Ethernet           11
03 01 00   177D   0003 Encrypt/Decrypt    9
03 02 00   8086   1079 Ethernet           9
03 02 01   8086   1079 Ethernet           9
03 03 00   8086   1079 Ethernet           9
03 03 01   8086   1079 Ethernet           9
04 02 00   8086   1209 Ethernet           11
04 03 00   8086   1209 Ethernet           5
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Launch BIOS Extension to setup ROMMON
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Use BREAK or ESC to interrupt boot.
Use SPACE to begin boot immediately.
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Boot configuration file contains 1 entry.
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This is run over and over. I just can't enter a ROMMON mode of ASA. I have older IOS on flash which works.
I don't know what to type to enter in rommon mode. I tried every combinatios of characters but nothing. I used Putty, SecureCRT.
Any idea?
Regards,
Nenad

So ESC isn't working during boot? FYI 9.2 is not supported on non-X ASA chassis (which I'm sure you have now figured out). You can also try changing the escape sequence so ESC will work. Check this link on how to change that.
http://www.cisco.com/c/en/us/td/docs/ios/12_2/configfun/configuration/guide/ffun_c/fcf003.html#wp1003461
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Again,
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Hi,
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Problem with Telnet and Escript/Fscript

I have a lot a problems using Telnet and Escript/Fscript with Forte
3.0.G.2.
Does anyone has the same trouble or any experience about that.
Thanks for your answers.
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>

I use EScript and FScript through telnet sessions all the time, and I
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Regards,
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Pascale Voisin-Bouton-FX01314 wrote:
>
I have a lot a problems using Telnet and Escript/Fscript with Forte
3.0.G.2.
Does anyone has the same trouble or any experience about that.
Thanks for your answers.
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>--
Katie Carty
Senior Consultant
Forte Software, Inc.
http://www.forte.com
4801 Woodway Drive, Suite 300E
Houston, Texas 77056
vmail: (510) 986-3802
email: [email protected]
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
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Why the name Reverse Telnet ?

Forgive me for this simple ( and to some, stupid) question. Why is reaching the console ports of devices attached to a terminal server called Reverse Telnet. I am confused about the "Reverse" part.
1. You reach "terminal server" by some suiteable means (telnet, ssh, console) from a device say your computer.
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    R1>
Whats different for this second telnet is, instead of the telnet server (running on terminal server) presenting you with a second command shell it connects the mapped console port to the new telnet session. Effectively you read from or write to console port of R1.
R1 is oblivious about this whole operation. What's so "Reverse" about this second telnet session ?
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Ah, this is a good question. Step into my time machine, and travel with me back to late eighties. The 3Com 3C501 PC Ethernet card was released at the bargain basement price of $999 USD and the mighty Interl 386-DX33 was released to great fanfare. Windows ran on top of DOS and all PC IP networking stacks were 3rd-party bolt-ons. When you communicated with a computer, whether DEC, IBM or whomever you did it with a DUMB TERMINAL. A terminal, for thos eof you who have never sern one, was either a keyboard and a printer combo (like a Decwriter 100) or a CRT text screen (Like a VT220, 80 columns by 24 lines) and a keyboard. What you typed went out the serial port to a computer, and the computer sent text and screen drawing back commands through that same serial port. That was the common human-computer interface of that era.
In the bad old days, the terminals were connected directly to the computers by serial interface cards and RS-232 cable. As computers got faster, more and more terminals could be supported. This started to get ridiculous as many serial lines emerged from these computers. The bigger computers looked like a mutant octopus.
Enter the TERMINAL SERVER, one of Cisco's early products. (The ASM)
The Cisco ASM terminal server took up to 96 terminals in an area and provided serial port connections for them. It then multiplexed those terminals over Ethernet in order to reach an Ethernet connected computer (host). The host computers were now freed from the sea of serial cables and could service dozens to hundreds of terminals thorough a single Ethernet port!   As a result, dozens to hundreds of slow, lightly used 9600 bps serial cables were replaced by a single 10 Mbit/sec connection.
The Cisco ASM software provided a telnet client to each serial port so that each terminal could connect to any telnet server (host) on the any network. This allowed users to connect to multiple computers and relieved the load of computers providing telnet client services to directly attached terminals. In this model, connections were initiated from a terminal on the port of the Cisco ASM to some distant computer.
Over time, Cisco noticed that there were computers and other devices (like the IBM 7171) that could not support Ethernet conenctions, but had dozens upon dozens of physical serial ports. To make it so that network based telnet clients all over the Internet could access such an Ethernet-free computer, Cisco implemented a telnet SERVER function in the ASM. Connections from a distant telnet client could now conenct through the ASM telnet server and reach these serial ports which had previously been limited to local terminals or expensive modem connections. Since this activity was the exact reverse of the original use of the ASM, the function became known as "Reverse telnet."
In summary: When a serially attached device CONSUMES service FROM the network, that is TELNET. (The original design!)
When a serially attached device PROVIDES services TO the network, that is REVERSE TELNET. (The opposite of the original design. But useful!)
Now, I will wait for people who have been in the industry longer than I have to go on about SNA, 3270s, paper tape and punch cards.

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Post to the Unix forum under OS X Technologies where the Unix and Terminal gurus congregate.

Setting up reverse telnet for 1900 witch access

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Help!

Thanks for the info. I verified the line:
Swi1900-A#sh line
RS-232 configuration:
9600 baud, 8 data bits, 1 stop bits, None parity
Autobaud: Enabled
Modem dialin: Enabled
Idle time-out: 0
Modem Init String:
Silent time: 0
Password Threshold: 3
I know on the routers I needed to configure login. I don't see that option when configuring console on the 1900.
1900 line options:
Swi1900-A(config)#line cons
Swi1900-A(config-line)#?
Line configuration commands:
autobaud Match remote baud-rate
databits Set number of data bits per character
exit Exit from line configuration mode
help Description of the interactive help system
modem Configure the modem control lines
no Negate a command or set its defaults
parity Set terminal parity
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silent-time Configure the silent time on login intrusion
speed Set transmit and receive speeds
stopbits Set asynch line stop bits
time-out Configure the line idle time-out period
The switch is running pretty ancient IOS. Do you know off-hand if I would need to configure login on the console port, and if that option is available on more recent IOS? I'm running:
Cisco Catalyst 1900/2820 Enterprise Edition Software
Version V9.00.05
Copyright (c) Cisco Systems, Inc. 1993-1999
Swi1900-A uptime is 1day(s) 08hour(s) 45minute(s) 07second(s)
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I am using Telnet from the terminal application. I can Telnet to any device except one which says "trying" and it just stays there. If I use hyperterminal from Paralles (Windows XP) I can connect without any problem.
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Root access via direct telnet can be added/removed by editing the file /etc/default/login
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CONSOLE=/dev/console
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Dear Frieds,
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Hi Hari,
Note 400530 - FBRA - F5136: Balance of line items not zero
Summary
Symptom
A payment using a payment card fails, in other words, the payment is reversed using Transaction FBRC where the customer or vendor item is reopened.It is not possible to reset a payment document posted again for the open customer or vendor item by using Transaction FBRA, "Reset Cleared Items" and it responds with the error message "Balance of the line items is not zero".
Other terms
Error message F5136, FBRA, FBRC, payment cards
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Dear Gurus,
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Dear,
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here select the clearing document numbers
regards

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