You can reverse telnet to any line. Do a show line, take thge line # of the
device you want to telnet to and add 2000. That will be the port of the
device. So if I have an async or line 65 and my router is ip 192.168.2.2, I
can reverse telnet to the modem by doing a telnet 192.168.2.2 2065
It will work the same for the console port.
AUX0
CCNP +Security
-----Original Message-----
From: Chuck Church [mailto:[EMAIL PROTECTED]]
Sent: Monday, July 24, 2000 3:30 PM
To: '[EMAIL PROTECTED]'
Subject: Reverse telneting to a console port
All,
Can anyone tell me how to setup reverse telnet on a 2511 to connect to
the console port of another router? I have the octal cable with RJ45
directly plugged into the console port of another. Is a x-over needed on
this cable? I can't seem to find how to do it on CCO. I did notice that if
I have the first 3 lines connected to routers, and do a port scan on the
2511, I don't see it listening on ports 2001-2003. If I unplug the RJ45s
from the other routers, the port is listening. Here's my partial 2511
config:
interface Loopback0
ip address 172.16.1.1 255.255.255.0
no ip directed-broadcast
!
.........
!
line con 0
password cisco
login
transport input none
line 1
modem InOut
transport input telnet
stopbits 1
speed 38400
flowcontrol hardware
line 2 16
modem InOut
transport input all
stopbits 1
flowcontrol hardware
line aux 0
line vty 0 4
password cisco
login
!
SH LINE 1 looks like this:
2511# sh line 1
Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns Int
* 1 TTY 38400/38400 - inout - - - 0 0 0/0 -
Line 1, Location: "", Type: ""
Length: 24 lines, Width: 80 columns
Baud rate (TX/RX) is 38400/38400, no parity, 1 stopbits, 8 databits
Status: Ready, Active, No Exit Banner
Capabilities: Hardware Flowcontrol In, Hardware Flowcontrol Out
Modem Callout, Modem RI is CD
Modem state: Ready
Group codes: 0
Modem hardware state: CTS DSR DTR RTS
Special Chars: Escape Hold Stop Start Disconnect Activation
^^x none - - none
Timeouts: Idle EXEC Idle Session Modem Answer Session Dispatch
00:10:00 never none not set
Idle Session Disconnect Warning
never
Login-sequence User Response
00:00:30
Autoselect Initial Wait
not set
Modem type is unknown.
Session limit is not set.
Time since activation: 00:04:12
Editing is enabled.
History is enabled, history size is 10.
DNS resolution in show commands is enabled
Full user help is disabled
Allowed transports are lat pad v120 mop telnet rlogin nasi. Preferred is
lat.
No output characters are padded
No special data dispatching characters
Thanks in advance,
Chuck Church
CCNP, MCNE, MCSE
Sr. Network Engineer
Magnacom Technologies
140 N. Rt. 303
Valley Cottage, NY 10989
845-267-4000 x218
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