Cisco 881 CON/AUX port outgoing connection

How do I get an outgoing connections from the aux port on a Cisco 881. I want to connect to the console port of a Cisco 1841 from the 881. The 881 doesn't have a dedicated aux port, but aparently has a "virtual aux" port on the con port.

On the 881 I do the normal:
conf t
  int loopback0
    ip add 10.0.0.1 255.255.255.0
    no shut
  int aux 0
    transport input all

and then "telnet 10.0.0.1 2001" and get "Trying 10.0.0.1, 2001 ... Open". But then nothing. It seems the console port  on the 881 might win and get in the way. Do I need to disable that somehow? I use a standard cisco console crossover cable (not ethernet) from the con/aux on the 881 to the con on the 1841. (1-8, 2-7, 3-6, 4-5, 5-4, 6-3, 7-2, 8-1) Do I need a different cable?


noringAsked:
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Istvan KalmarHead of IT Security Division Commented:
hmm

the cable is good, please provide us:

show line
0
noringAuthor Commented:
Router#show line
   Tty Typ     Tx/Rx    A Modem  Roty AccO AccI   Uses   Noise  Overruns   Int
      0 CTY              -    -      -    -    -      0       4 23361/0       -
*     1 AUX   9600/9600  -    -      -    -    -     10       0     0/0       -
*     2 VTY              -    -      -    -    -     14       0     0/0       -
*     3 VTY              -    -      -    -    -      6       0     0/0       -
      4 VTY              -    -      -    -    -      0       0     0/0       -
      5 VTY              -    -      -    -    -      0       0     0/0       -
      6 VTY              -    -      -    -    -      0       0     0/0       -

Router#
Router#who
    Line       User       Host(s)              Idle       Location
   1 aux 0                idle                 00:10:55 10.0.0.1
   2 vty 0                10.0.0.1             00:10:53 xxx
*  3 vty 1                idle                 00:00:00 xxx

Then after a reboot (as I think the 9600/9600 is from some tweaking I did)

Router#show line
   Tty Typ     Tx/Rx    A Modem  Roty AccO AccI   Uses   Noise  Overruns   Int
      0 CTY              -    -      -    -    -      0       1  3663/0       -
*     1 AUX      0/0     -    -      -    -    -      1       0     0/0       -
*     2 VTY              -    -      -    -    -      2       0     0/0       -
*     3 VTY              -    -      -    -    -      1       0     0/0       -
      4 VTY              -    -      -    -    -      0       0     0/0       -
      5 VTY              -    -      -    -    -      0       0     0/0       -
      6 VTY              -    -      -    -    -      0       0     0/0       -
0
noringAuthor Commented:
Actually that last output was from a Cisco 871. The output from Cisco 881 with same config (and same result) is:

Router#show line
   Tty Typ     Tx/Rx    A Modem  Roty AccO AccI   Uses   Noise  Overruns   Int
      0 CTY              -    -      -    -    -      0       0     0/0       -
*     1 AUX      0/0     -    -      -    -    -      1       0     0/0       -
      3 TTY              -    -      -    -    -      0       0     0/0     Ce0
      4 ???              -    -      -    -    -      0       0     0/0       -
*     6 VTY              -    -      -    -    -      3       0     0/0       -
*     7 VTY              -    -      -    -    -      1       0     0/0       -
      8 VTY              -    -      -    -    -      0       0     0/0       -
      9 VTY              -    -      -    -    -      0       0     0/0       -
     10 VTY              -    -      -    -    -      0       0     0/0       -

Line(s) not in async mode -or- with no hardware support:
2, 5
0
Jody LemoineNetwork ArchitectCommented:
Try the following:

line con 0
 modem enable
line aux 0
 no exec
 transport input all

The key command here is the "modem enable" command under the "line con 0" configuration.  This enables the virtual AUX functionality on the console port.
0

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