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12-26-2012 03:16 AM
12-26-2012 03:16 AM
HP SIM - How to monitor a device? SNMP or WBEM?
Hi All,
I learned that if i have HP SIM server (CMS) in place then to get a particular device into HP SIM monitoring, i need to have 3 things in place:
1. Local admin credentials (user name & password) of that device by which CMS will discover it
2. Some ports(listed on online HP docs) should be open
and
3. SNMP service should be enabled and configured on that device to send traps to CMS.
Do i really need to have any other stuff enabled/configured on that device to get it into HP SIM monitoring....like WBEM/WMI etc?
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12-26-2012 06:18 AM
12-26-2012 06:18 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
Hi,
You don't need admin credentials on target devices if using SNMP, just need common read community names and CMS listed as trusted in the 'accept traps list' and list as a destination to send traps to. The difference between WBEM/SNMP are well documented in other threads on these boards.
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12-26-2012 07:52 AM
12-26-2012 07:52 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
SNMP is definately the easier way to go. You only need the server agents installed and point the snmp traps/access to your SIM server.
The one downside I have found is that snmp agents on my cms server for some reason stop listening for traps after a while and I need to cycle the service from time to time.
WBEM is more secure, but is harder to setup and much messier from a networking perspective if you're in a locked down environment.
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12-26-2012 08:37 AM - edited 12-26-2012 09:01 AM
12-26-2012 08:37 AM - edited 12-26-2012 09:01 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
To Discover a Devcie in HPSIM, HP SIM uses SSH (rarely), WBEM and SNMP etc.
Now to your question:
1. Local admin credentials (user name & password) of that device by which CMS will discover it
[Tushar] A device can be discovered fully using SNMP, in this case there is no need for credentials. Only HP SNMP Agents must be installed (SPP/ PSP) on the target node. With the introduction G8 Server it is possible even without SPP.
In Case of WBEM / WMI which is a secure protocol it needs Credentials for authentication, but can run with least priviliges (no need for Administrator or root privileges).
2. Some ports(listed on online HP docs) should be open:
[Tushar]: For SNMP it is 161 and 162 by default.
3. SNMP service should be enabled and configured on that device to send traps to CMS.
Thats correct.
\T Bajpai
HP Employee
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12-28-2012 11:42 AM
12-28-2012 11:42 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
Thanks Tushar
Can you please list what ALL protocols(SNMP/WBEM/SSH/OpenSSH etc.) one need to configure on a device (assuming all supported OS/Hardware/Storage etc is suposed to be managed - As in my case) to manage/monitor it fully using HP SIM?
Regards
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12-28-2012 11:57 AM
12-28-2012 11:57 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
You only need snmp configured with the ports Tushar listed and the community strings need to match on the SIM server and the client.
You can test it using an snmp utility such as Paessler SNMP Tester. If it can read from the host it should be good for SIM.
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12-28-2012 12:34 PM
12-28-2012 12:34 PM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
This clears that ONLY SNMP needs to be configured on the device(server/storage/networking device) we want to monitor/manage fully using HP SIM
Can one get into a situation where WBEM or any other protocol is only the option left?
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12-28-2012 10:45 PM
12-28-2012 10:45 PM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
WBEM is the prefered protocol in HPSIM. WBEM is capable of giving more data as compared to SNMP.
But SNMP again based on its implementation that is UDP and connectionless.
\T Bajpai
HP Employee
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01-03-2013 05:49 AM
01-03-2013 05:49 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
Regards
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01-03-2013 06:03 AM
01-03-2013 06:03 AM
Re: HP SIM - How to monitor a device? SNMP or WBEM?
SNMP and WBEM are mutually exclusive. You can use one or the other or both. For windows systems later then G7, the WMI providers are quite fully featured but for older systems, I use the SNMP agents as they have better alerting capabilities in my opinion. Also, in secure environments WBEM might be preferable as it can be encrypted whereas SNMP is plaintext and would relay on IPSEC for encryption.