cisco router interface down

Hello, i Have a user that has a cico router interface down. I am pretty good at cisco, just forgetting the steps. it is something like show interface, then config t then no shutdown or something can you give me the proper commands thank you
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PennGwynConnect With a Mentor Commented:
config t
int <whatever>
 no shutdown

Depending on the interface you may need to enable a few other things to keep the interface up (after making sure things are plugged in correctly)
For a serial connection make sure to set the clock rate.  It is only required on one end, but setting it on both works
Config t
Interface <sreial whatever>
clock rate <56000 is default I believe>

Also make sure your protocol setup on the interfaces is correct, hello / dead timers and whatnot can get in the way.
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