Cant bring up serial interface

bhattnbikesbhattnbikes Member Posts: 40 ■■□□□□□□□□
I am using Cisco 2503 and tried everything. I assigned Ip address, and no shutdown command. but still sh int s0 says that my interface is down. Can anyone tell me what could be reason for that.

Thanks,
Bhushan
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Comments

  • EdTheLadEdTheLad Member Posts: 2,111 ■■■■□□□□□□
    #show controllers serial 0

    If this is a DCE you need to specify clock rate on the interface.
    #config terminal
    router(config)#int s0
    router(config)#clock rate 64000

    If the output of the #show controllers serial 0
    says no cable you have a physical cable problem!
    Networking, sometimes i love it, mostly i hate it.Its all about the $$$$
  • SVSV Member Posts: 166
    Initially even I had this problem.

    As ed_the_lad had mentioned set the clock rate.

    If you are using encapsulation other than the default ones on the cisco routers, check the encapsulation type.

    Does the sh s0 displays “interface up, line protocol is down”
    Life is a journey...
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