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  1. Senior Member flipmad's Avatar
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    #1

    Default Command to determine if Switch is PoE?

    sh power inline?

    So if I get an output that indicates the following means that each port is available to provide 15.4 Watts?

    Switch#sh power inline

    Module Available Used Remaining
    (Watts) (Watts) (Watts)
    ------ --------- -------- ---------
    1 370.0 0.0 370.0
    Interface Admin Oper Power Device Class Max
    (Watts)
    --------- ------ ---------- ------- ------------------- ----- ----
    Fa1/0/1 auto off 0.0 n/a n/a 15.4
    Fa1/0/2 auto off 0.0 n/a n/a 15.4
    Fa1/0/3 auto off 0.0 n/a n/a 15.4
    Fa1/0/4 auto off 0.0 n/a n/a 15.4
    Fa1/0/5 auto off 0.0 n/a n/a 15.4
    Fa1/0/6 auto off 0.0 n/a n/a 15.4
    Fa1/0/7 auto off 0.0 n/a n/a 15.4
    Fa1/0/8 auto off 0.0 n/a n/a 15.4
    Fa1/0/9 auto off 0.0 n/a n/a 15.4
    Fa1/0/10 auto off 0.0 n/a n/a 15.4
    Fa1/0/11 auto off 0.0 n/a n/a 15.4
    Fa1/0/12 auto off 0.0 n/a n/a 15.4
    Fa1/0/13 auto off 0.0 n/a n/a 15.4
    Fa1/0/14 auto off 0.0 n/a n/a 15.4
    Fa1/0/15 auto off 0.0 n/a n/a 15.4
    Fa1/0/16 auto off 0.0 n/a n/a 15.4
    Fa1/0/17 auto off 0.0 n/a n/a 15.4
    Fa1/0/18 auto off 0.0 n/a n/a 15.4
    Fa1/0/19 auto off 0.0 n/a n/a 15.4
    Interface Admin Oper Power Device Class Max
    (Watts)
    --------- ------ ---------- ------- ------------------- ----- ----
    Fa1/0/20 auto off 0.0 n/a n/a 15.4
    Fa1/0/21 auto off 0.0 n/a n/a 15.4
    Fa1/0/22 auto off 0.0 n/a n/a 15.4
    Fa1/0/23 auto off 0.0 n/a n/a 15.4
    Fa1/0/24 auto off 0.0 n/a n/a 15.4
    Fa1/0/25 auto off 0.0 n/a n/a 15.4
    Fa1/0/26 auto off 0.0 n/a n/a 15.4
    Fa1/0/27 auto off 0.0 n/a n/a 15.4
    Fa1/0/28 auto off 0.0 n/a n/a 15.4
    Fa1/0/29 auto off 0.0 n/a n/a 15.4
    Fa1/0/30 auto off 0.0 n/a n/a 15.4
    Fa1/0/31 auto off 0.0 n/a n/a 15.4
    Fa1/0/32 auto off 0.0 n/a n/a 15.4
    Fa1/0/33 auto off 0.0 n/a n/a 15.4
    Fa1/0/34 auto off 0.0 n/a n/a 15.4
    Fa1/0/35 auto off 0.0 n/a n/a 15.4
    Fa1/0/36 auto off 0.0 n/a n/a 15.4
    Fa1/0/37 auto off 0.0 n/a n/a 15.4
    Fa1/0/38 auto off 0.0 n/a n/a 15.4
    Fa1/0/39 auto off 0.0 n/a n/a 15.4
    Fa1/0/40 auto off 0.0 n/a n/a 15.4
    Fa1/0/41 auto off 0.0 n/a n/a 15.4
    Interface Admin Oper Power Device Class Max
    (Watts)
    --------- ------ ---------- ------- ------------------- ----- ----
    Fa1/0/42 auto off 0.0 n/a n/a 15.4
    Fa1/0/43 auto off 0.0 n/a n/a 15.4
    Fa1/0/44 auto off 0.0 n/a n/a 15.4
    Fa1/0/45 auto off 0.0 n/a n/a 15.4
    Fa1/0/46 auto off 0.0 n/a n/a 15.4
    Fa1/0/47 auto off 0.0 n/a n/a 15.4
    Fa1/0/48 auto off 0.0 n/a n/a 15.4
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  3. Senior Member
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    #2
    370 watts is usually the Sign of a pOE switch, but the best way to find out is to do a show inventory. It will give you the part number of your switch which you can look up on cisco's website to determine if its POE. I have ton's of customers who buy switches on there own without talking to us who buy none POE switches then call us when they can't power there phones.
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  4. Senior Member Netwurk's Avatar
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    #3
    conf t
    int fa 1/0/1
    power ?


    If you get a list of commands, you most likely have a PoE switch.

    You should see % Unrecognized command if the switch cannot provide inline power.

    Results may vary with model and IOS version, although if you see the % Unrecognized command reply, you almost certainly do NOT have a PoE model.

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  5. Senior Member pitviper's Avatar
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    #4
    I don't think that the "show power inline" command will even work on a non PoE switch.
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  6. Senior Member Netwurk's Avatar
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    #5
    Quote Originally Posted by pitviper View Post
    I don't think that the "show power inline" command will even work on a non PoE switch.
    The command works on my 3550 non-PoE

    Doesn't show any results but does a good job of pretending to work



    Sw3550a>sh power inline
    Interface Admin Oper Power Device Class Max
    (Watts)
    --------- ------ ---------- ------- ------------------- ----- ----
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