Le 14/10/2013 23:43, Guillaume Rousse a écrit :
Hello.
The master+objsysid branch(1) shows how the sysobjectid(2) object value
can be used to identify easily both the device manufacturer, but also
the device model, using additional mapping tables stored in the share
directory (sysobjectid.vendor.ids files).
Here are some stats about the change impact on our test database. I've
used the following definitions:
- an identified device is a device with TYPE, MANUFACTURER and MODEL
elements after discovery
- a supported device is a device with SNMPMODEL element after discovery
(recognized could be a better term)
master branch:
alcatel: 0 identified, 2 supported, 2 total
canon: 0 identified, 1 supported, 2 total
cisco: 0 identified, 35 supported, 35 total
d-link: 0 identified, 0 supported, 2 total
dell: 0 identified, 0 supported, 3 total
emc: 0 identified, 0 supported, 3 total
epson: 0 identified, 4 supported, 8 total
extrem_networks: 0 identified, 0 supported, 6 total
hewlett-packard: 0 identified, 93 supported, 115 total
juniper: 0 identified, 9 supported, 12 total
konika: 0 identified, 0 supported, 4 total
kyocera: 0 identified, 3 supported, 8 total
lexmark: 0 identified, 1 supported, 2 total
nortel: 0 identified, 2 supported, 2 total
ricoh: 0 identified, 1 supported, 4 total
sharp: 0 identified, 4 supported, 4 total
tandberg: 0 identified, 0 supported, 1 total
xerox: 0 identified, 25 supported, 28 total
master+objsysid branch:
alcatel: 0 identified, 2 supported, 2 total
canon: 0 identified, 1 supported, 2 total
cisco: 35 identified, 35 supported, 35 total
d-link: 0 identified, 0 supported, 2 total
dell: 0 identified, 0 supported, 3 total
emc: 0 identified, 0 supported, 3 total
epson: 4 identified, 4 supported, 8 total
extreme: 6 identified, 0 supported, 6 total
hewlett-packard: 6 identified, 93 supported, 115 total
juniper: 12 identified, 9 supported, 12 total
konika: 4 identified, 0 supported, 4 total
kyocera: 0 identified, 3 supported, 8 total
lexmark: 1 identified, 1 supported, 2 total
nortel: 2 identified, 2 supported, 2 total
ricoh: 0 identified, 1 supported, 4 total
sharp: 4 identified, 4 supported, 4 total
tandberg: 0 identified, 0 supported, 1 total
xerox: 22 identified, 25 supported, 28 total
Basically, this feature allows to identify 90% of network devices, and
some printer devices too. The identification failure result either of
missing values (alcatel devices), which is a solvable issue, or lack of
discrimination of sysobjectid for some printer manufacturers (HP), which
is a limitation for this approach.
--
Guillaume
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