On 1 June 2012 20:56, Kodena Dev <[email protected]> wrote:
> One vendor ask me to put this config in my snmp.conf:
> view Systemview included .1 80
>
> I read some information about mask value but I'm not sure what I'm doing
> setting this....what exactly means this 80?
The mask is used to indicate which elements of the specified OID
to take note of. It's a hex value, so if you convert 80 (hex) into binary,
it reads
1000 0000
i.e. use the first specified subidentifier, and ignore anything else.
In this case, the OID is '.1' so there *is* only one subidentifier.
This line therefore matches everything lying within the .iso(1) subtree
In fact, if the mask matches the OID exactly, then you can omit it.
So
Systemview included .1 80
is exactly the same as
Systemview included .1
Dave
PS: I do wish that people would use meaningful names.
To me, the name "Systemview" implies that the view just covers
the system group (possibly plus related objects such as hrSystem)
If you've going to define a view that covers the whole of the .iso tree
then why not call it something like 'isoView' ?
Using misleading names just makes things confusing for the
poor overworked sysadmin!
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