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| Author | Forum: PowerSNMP for ActiveX Topic: Printers experience slow down following SNMP scan |
| RickBock From: Atlanta, GA USA Posts: 22 Member Since: 08/09/05 |
posted August 11, 2009 7:18 AM Greetings all, Sorry if this is a little vague, it's only happening with a handful of devices and I don't have direct access to any of them so I'm hoping that this is one of those "oh that's easy, just do this to fix it" sort of things. We've built a SNMP maangement app that monitors printers and copiers. It uses SNMP v1, and a limited range of GETs and a few GET NEXTs to pull just the data that we're looking for from the device. It has no GET or TRAP functions. We've run into a few devices that seem to object to being scanned. They operate just fine until the scan hits them, then they start to operate at about 1/5th normal speed until they're powered off and back on. I've not been able to duplicate the problem on any devices to which I do have access, and I can't confirm whether or not it's specific to our program / PowerSNMP since I can't install another SNMP management app on the system. Has anyone ever run into anything like this, or are there any suggestions on what I can look for? Thanks for any ideas |
K M Drake From: Utica, NY USA Posts: 3406 Member Since: 07/14/00 |
posted August 12, 2009 12:47 PM Hi Rick, Unfortunately, it is hard to say. When the agent receives a query, it must internally do something to get a value and respond. It sounds like this is having unwanted negative side-effects with the device. It's too difficult to say whether something in the queries is contributing, without watching the traffic and observing the devices. I suggest running some tests to try and isolate the circumstances under which the problem occurs. For example, you might try performing queries one at a time to see if the problem starts after a specific variable is retrieved. At least then you might get a better handle on what is causing the problem. -ken ------ |
| RickBock From: Atlanta, GA USA Posts: 22 Member Since: 08/09/05 |
posted August 13, 2009 8:18 AM Hi Ken, Unfortunately I don't have access to the devices in question, they're all at client locations. I can send software updates through our remote management system but that's it. I was hoping someone would have seen this sort of behavior before and it would ring a bell. |
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