Need help setting up CCNA lab

Pawan_Bhattarai

Hi all,

I am new in this site...Thanks for such a great site that i ever visited.

I have a question.

-I have 3 routers (1841) with 2 x 3 Smart serial WIC-2T serial port
-I want to connect back-to-back e.g suppose abc are 3 routers AB,BC,CA.

Kindly suggest the cabling types.

//regards

pabloCr84

I'm not sure if I understand your question but...


You need to use a DTE/DCE serial cable and conect each serial port with each other according the connection that you want. Form A To B, From B to C, From C to A. Once your done with that you'll need to set up the clock rate on the router that has the DCE cable attached to.

If you need to check which one has the DCE or DTE, use the command:

Let's supose the serial interface is the 0/0 so:

router#sh controller s0/0

Almost at the beginning of the output you will see whether or not it is DCE.