connecting routers via serial interface
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10-23-2012 03:12 PM - edited 03-07-2019 09:38 AM
hi all,
I'm fairly new to the world of Cisco (and by fairly new, I mean I've been reading the ICND1 book over the past few weeks), and have decided to buy a few routers to start getting some hands on experience on real equpiment.
While I managed to connect to each router individually, I decided it was time to connect the routers together via serial; as I don't have any serial cables and need to buy some, I thought the best thing to do would be to ask someone what serial cables I need, as well as to ask whether I have the right cards in my router(s) that will allow me to do so.
I bought 3 1841 routers, and all have a 1 port serial WAN Interface Card (WIC 1-T); one router has 2 of these, and one router has a WIC-1B-S/T ..
My question is, can I connect the routers with a serial cable via WIC 1-T, or do I need a 2-T for what I'm trying to do..?
Thanks for the help, and excuse my naivity; if I need to add more information to have the question answered properly please let me know.
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10-23-2012 07:38 PM
Hi,
Yes, you can connect them together. You basically daisy chain the routers together using DTE/DCE cables. The router that has 2 WICs is the one that will connect to the other 2 routers. Something like this
R1------------R2----------R3 in this case R2 is the one with 2 WICs. Since you are connecting these routers back to back you need a serial cables with one side as DCE and the other side as DTE.
Here is a link showing the cable:
HTH
