CNA & "switch redundant power supply"

Just configured trunking between these switches:
2950T-48-SI
3508G-XL
3548-XL
The traffic appears to be flowing correctly through both the default VLAN and also my additional VLAN.
Now, ALL of the 2950 switches on my network display this message: "switch redundant power supply failed" when I connect to them using the Cisco Network Assistant.
Seems like the error message must be related somehow to the VLAN configuration I did.
In a nutshell, I configured all connected Gigabit ports this way:
switchport mode trunk
switchport trunk encapsulation dot1q
I only configured SOME of my switches for the trunking and additional VLAN - must all of them be configured the say way, even if I don't anticipate needing the additional VLANS on those switches?
Thanks, Susan

Hi Susan,
Do you have redundant power supplies connected to the 2950s?
If not, you are probably running into a cosmetic bug, CSCee96721.
We can confirm this by issuing a "show env" in the CLI.
You should see something like this:
"switch#sho env all
FAN is OK
Internal POWER supply is OK
RPS is NOT present
RPS is FAULTY"
Note that the last line indicates that the RPS is faulty, even though the line above it indicates that no RPS is present.
If that applies to you as well, then you are hitting this bug. CNA is polling the same information, which is why you are seeing "switch redundant power supply failed" in CNA.
The fix is in 12.1(22)EA3 and later.
HTH,
Bobby
*Please rate helpful posts.

Similar Messages

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    Disclaimer
    The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
    Liability Disclaimer
    In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
    Posting
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  • Cisco 3850 Redundant Power Supply Reporting Issue

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    I'm not absolutely certain I understand the term "switch-mode".
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    ~~~~~~~~~~~~~~~~~~~~~~~~~~
    "It’s the questions that drive us.”
    ~~~~~~~~~~~~~~~~~~~~~~~~~~

  • BE6K redundant power supply

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  • Switch Logs _Power supply

    Hi ,
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    Mar 26 14:58:04.456 IST: %PLATFORM_ENV-1-FRU_PS_ACCESS: FRU Power Supply is not responding
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    Hi Susan,
    Do you have redundant power supplies connected to the 2950s?
    If not, you are probably running into a cosmetic bug, CSCee96721.
    We can confirm this by issuing a "show env" in the CLI.
    You should see something like this:
    "switch#sho env all
    FAN is OK
    Internal POWER supply is OK
    RPS is NOT present
    RPS is FAULTY"
    Note that the last line indicates that the RPS is faulty, even though the line above it indicates that no RPS is present.
    If that applies to you as well, then you are hitting this bug. CNA is polling the same information, which is why you are seeing "switch redundant power supply failed" in CNA.
    The fix is in 12.1(22)EA3 and later.
    HTH,
    Bobby
    *Please rate helpful posts.

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