Re: Open tcp port 2005 on cisco router

[Mike Hoskins <mike () adept org>]

Deniz CEVIK wrote:
> Yes, I can connect but I couldn't recieve or send any data. I don't know the
> model of cisco router but this information also gives us some hints about
> the model. It should be cisco 2511. As far as I know, in order to get
> terminal screen we should telnet to loopback address that has been defined
> for this purpose in the router. What I wonder is can we still get terminal
> screen when I connect to port 2005 of router's IP from Internet (out of the
> router)?

you can connect via local loopback, or the IP address + port of the 
console server.  (yes, over the network, which is why there needs to be 
ACLs protecting the NAS.)  as mentioned, `telnet a.b.c.d 2005` would 
typically connect to port 5 on the 2511...  assuming the 2511 is 
"properly" configured to work with the equipment it's connected to, that 
should just pass you through to the end device.  if you can connect but 
don't get any data, terminal settings (between the cisco and end device) 
are probably just wrong or mismatched.

if you have a CCO login, see:

http://www.cisco.com/en/US/customer/tech/tk801/tk36/technologies_configuration_example09186a008014f8e7.shtml

(or just search cisco's site.)


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