05-30-2008 12:01 PM
Can the aux/console port on an 871 router function as a true aux port or is it really console port with aux port-like functionality?
The reason why I am asking is because I having a tough time getting a modem dial-in connection to work to the 871 router and I read that there are differences between these ports; for example, a console port does not provide flow control where as an aux port can.
Adil Nasser
05-30-2008 05:52 PM
Adil,
The 871 supports both dial backup and out-of-band management on its virtual auxiliary port with an external modem connected to it. A limited set of modems and terminal adapters has been tested, but any Hayes-compatible modem or terminal adapter can be used to connect to this port.
The console port will behave like a standard Cisco auxiliary (AUX) port if configured as such and can provide bit rates up to 115.2 KB/S. Also the dialer interface does provide flow control.
Please see figure 13-9 for configuration information
http://www.cisco.com/en/US/docs/routers/access/800/850/software/configuration/guide/857sg_bk.pdf
Hope this helps!
Mark
06-01-2008 09:29 AM
It works but I had similar issues, not understanding this new dual role port. I think you need to do the statement 'modem enable' under the con 0 and then should be ok. Here is my config.
line con 0
modem enable
speed 115200
line aux 0
exec-timeout 0 0
logging synchronous
modem InOut
modem autoconfigure type usr_sportster
transport preferred none
transport input all
transport output none
stopbits 1
speed 115200
flowcontrol hardware
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