We use MRTG to graph our routers and switches. cfgmaker (part of MRTG, it walks through a device and creates a config to map all interfaces) can be told to use the Description, Name, IP, or MAC Address to describe the interface. Since we give our interfaces useful descriptions, indicating not just what port this is but what it is connected to, this makes it easy to know what you're looking at when looking at the MRTG graphs.
On Netonix, telling cfgmaker to use the description results in only getting the port number. This is what that Netonix reports as the Description, Name, IP, and MAC address for each port:
### Interface 1 >> Descr: 'Port-1' | Name: 'Port 1' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
### Interface 2 >> Descr: 'Port-2' | Name: 'Port 2' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
### Interface 3 >> Descr: 'Port-3' | Name: 'Port 3' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
...
On the Ports tab, there is a Description field where we enter useful descriptions that tell us what is plugged in here. It would be most helpful if Netonix reported the description entered here as the SNMP Description because that would be visible when we look at our MRTG graphs. It would also be nice if the Description field could be lengthened a bit. I think our Ciscos will take up to 250 characters. I don't use all that, but the current limit in Netonix is quite small. The larger the field, the more detailed and concise the description we can give.
Here's a screenshot of the resulting output from a Cisco, which exposes the actual Description given:
Here's a screenshot of the resulting output from a Netonix, which just says the Port # and not the Description given:
This is the field I am hoping you can expand (make longer, perhaps 100 or 250 characters) and expose as the Description via SNMP:
Thank you for your consideration.
Dave
SNMP Improvements
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david.sovereen@mercury.net - Member
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- toddfeist
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Re: SNMP Improvements
We use Solarwinds and SNMP, we also utilize the description field on the switch side (with short descriptions). The descriptions carry over to Solarwinds without any additional configuration - just using SNMP Solarwinds displays "Port 1 - <description>".
Todd
Todd
Re: SNMP Improvements
Just wondering if anyone has found a workaround for this port description field issue when using MRTG to graph interface traffic on Netonix WISP switches? I have the exact same problem as described so perfectly by Dave above. I have tried the various --ifdesc options in cfgmaker to no avail.
I'm sure someone smarter than me has found a workaround by now... I'd sure be in your debt if you would point me in the right direction.
Thanks!
Ben
I'm sure someone smarter than me has found a workaround by now... I'd sure be in your debt if you would point me in the right direction.
Thanks!
Ben
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