11 Replies Latest reply on Jan 24, 2014 5:31 AM by gbggri1

Cisco 3745 and 3845 router monitoring power supplies

dsteuerman Dec 22, 2009 2:57 PM

A bit of a newbie but managed to become fairly familiar with the alert config thus far.

I have read through most of the posts with respect to Cisco chassis based switches and how to monitor/alert where multiple PS are present. I have been doing a bit of tweaking myself and after a large number of combinations, managed to get the results I wanted (but haven't fully tested). For all switches with single PS, I get the email and event for current switch "Operational Status". For chassis based switches I get the same for both PS (I.E from an alert email ***Node XXXX IP address x.x.x.x Power supply state has changed to status UP, down***) same for all my 7200 routers with dual PS, 4500's, 3750 etc...

The problem:

I have multiple WAN router platforms; some with single PS and some with dual. The ones with dual not only have dual PS but AUX -48V DC PS ports if you were to use a redundant DC PS, which I'm not. The problem is those PS are listed when the Poller polls these routers and produces a 1,1,5,5 for their status. 1,1 for the AC PS and 5,5 for the non existing DC PS.

I've tried multiple rules, combinations to try to ignore this power supplies status, I can’t find anything with regards to admin down these unused DC PS ports etc...

I'm using the ciscoEnvMonSupplyStateTable w RAW VALUE and for the format I'm using the Operational Status (operational status gave me the word UP/DOWN/UNKNOWN opposed to the numbers).

My alerting is very simple:

Poller name_is equal to_ciscoEnvMonSupplyStateTable

Status_is not equal to _UP...

So when I applied this nothing alerts except all my 3745's and 3845's....Any ideas??????

Output from one of my 3845's.

SYS PS1 is present.
        Fan status: Normal
        Input Voltage status: Normal
        DC Output Voltage status: Normal
        Type: AC
        Thermal status: Normal

SYS PS2 is present.
        Fan status: Normal
        Input Voltage status: Normal
        DC Output Voltage status: Normal
        Type: AC
        Thermal status: Normal

AUX(-48V) PS1 is absent.

AUX(-48V) PS2 is absent.

The email I get for the PS status is:

***Node XXXX IP address x.x.x.x Power supply state has changed to status UP, UP, DORMANT, DORMANT

Re: Cisco 3745 and 3845 router monitoring power supplies

Steven Klassen Dec 22, 2009 6:08 PM (in response to dsteuerman)

It'd be nice to be able to do this with one poller & one alert, but it looks like you're not going to be able to. What about having a separate alert for your single PS and another for your dual PS with a custom node property to tell one from the other?
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- Re: Cisco 3745 and 3845 router monitoring power supplies
  
  dsteuerman Dec 22, 2009 6:41 PM (in response to Steven Klassen)
  
  The problem isn't with one PS devices vs 2 PS devices. The way I have the poller and alerting setup, everything works fine for say 3750E switches, 6500 switches w/ dual PS etc...The problem is with the 3745 and 3845 specifically where the AUX -48v DC power supply PORTS that have nothing connected to them are reporting the port status as DORMANT. So basically when the poller polls these devices it polls 4 PS and reports 2 as UP and 2 as DORMANT.
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  - Re: Cisco 3745 and 3845 router monitoring power supplies
    
    pyro13g Dec 23, 2009 9:01 AM (in response to dsteuerman)
    
    I'd bet you are going to get the same type of message when one of the PS in your other gear goes to any other status than normal.
    Just take advantage of Syslog or Traps.
    What really needs to happen is the table needs to be walked to find out how many PS entries there are and report the status of each row individually. Or, you need to make a specific poller for each row and create alerts based on each row.
    We just use Syslog, works fine.
    
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    - Re: Cisco 3745 and 3845 router monitoring power supplies
      
      savell Dec 24, 2009 12:33 AM (in response to pyro13g)
      
      I might be missing the issue here, but why not use 'equal' in your tigger condition rather than 'not equal'.
      For our ciscoEnvMonSupplyStateTable alarm, we have the following defined:
      This way, the alert can ignore Dormant or NotPresent power supply status returns.
      Dave.
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      - Re: Cisco 3745 and 3845 router monitoring power supplies
        
        Donald_Francis Dec 24, 2009 12:29 PM (in response to savell)
        
        Just my 2 cents but I think there is an easier way to do this which is via syslog and syslog alerts. I do this exact thing with all my routers and chassis switches. This is good not for just PS alerts but anything that goes on that the chassis alerts as critical which can be any of a number of things that you need to know about.
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        Re: Cisco 3745 and 3845 router monitoring power supplies
        
        savell Dec 24, 2009 2:29 PM (in response to Donald_Francis)
        
        The problem I find with syslog messages, is that the message format changes between device types and software levels.
        If Cisco had a nice and organised message format (i.e. message ID followed by a documented message text) then syslog life would be good.
        We have 170 something different device types in our network (with a large range of software levels - despite trying to make them somewhat consistent).
        It is next to impossible to create enough syslog based alerts traps to capture all the variations (I know - I tried). Do you know that your syslog message rules will capture a power supply failure for all your device types?
        Even then, you have to rely on the correct device config to forward the syslog message (and how do you test it across all devices).
        With an active poll, I don't have to worry about the device configuration, and I know I am checking the power supply status every few minutes (and as a bonus it's very quick and easy to implement). For something like power supplies, does it matter that I could receive the notification a few minutes after the actual event - not really.
        Dave.
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        Re: Cisco 3745 and 3845 router monitoring power supplies
        
        Donald_Francis Dec 28, 2009 7:37 AM (in response to savell)
        
        Actually what I do is alert on anything that is emergency/alert/critical. I would not try to filter beyond that, I have had odd ball errors end up pointing out failures.
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        Re: Cisco 3745 and 3845 router monitoring power supplies
        
        dsteuerman Dec 28, 2009 8:12 AM (in response to Donald_Francis)
        
        All points are being considered and are all appreciated. I may even try to see if just receiving an snmp traps for power supply alarms is the way to go. We do have a syslog server but I run it on a separate VM server as of now. I probably need to revisit every device and adjust the logging level since they are all set to Informational (which is the way it was when I started here ...)
        Thanks again for everyone’s input.
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      - Re: Cisco 3745 and 3845 router monitoring power supplies
        
        gbggri1 Jan 24, 2014 4:09 AM (in response to savell)
        
        Wondering if anyone can help, when I click on the * I can't seem to find 'Status' anywhere..
        
        Can anyone point me in the right direction?
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        Re: Cisco 3745 and 3845 router monitoring power supplies
        
        JiriPsota Jan 24, 2014 4:47 AM (in response to gbggri1)
        
        That seems you have newer NPM version, what about the property "Value" or "Numeric Value".
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        Re: Cisco 3745 and 3845 router monitoring power supplies
        
        gbggri1 Jan 24, 2014 5:31 AM (in response to JiriPsota)
        
        Numeric Value is there so I'm trying that out now.
        
        Thanks for the help
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