RE: Upgraded to 5.4.1 from 5.2.1...and 'extend' is driving me nuts

"McCann, Brian" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
Thanks for the help guys!  Looks like I got a bit of reading to do.

--Brian

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Dave Shield
> Sent: Friday, April 11, 2008 6:00 AM
> To: McCann, Brian
> Cc: [email protected]
> Subject: Re: Upgraded to 5.4.1 from 5.2.1...and 'extend' is 
> driving me nuts
> 
> On 10/04/2008, McCann, Brian <[email protected]> wrote:
> >   extend .1.3.6.1.4.1.22124.1.1.1 PartitionUse-/
> >                    /usr/local/bin/partuse.sh /
> 
> >  
> SNMPv2-SMI::enterprises.22124.1.1.1.4.1.2.14.80.97.114.116.105
> .116.105.1
> >  11.110.85.115.101.45.47.3 = STRING: "2025948"
> 
> Which is effectively
> 
>    enterprises.22124.1.1.1.nsExtendOutput2Table(4).
>         nsExtendOutput2Entry(1).nsExtendOutLine(2).
>         "PartitionUser-/".3
> 
> i.e. line 3 of the output for the extend directive "PartitionUser-/"
> 
> 
> One of the differences between "extend" and "exec" is that
> the extend token uses the NAME field to index the table
> (rather than the order in which the snmpd.conf file entries
> were read in).
>     So adding a new "extend" directive to snmpd.conf won't
> affect the OIDs of any other entry.   Adding an "exec" line
> would shift everything read later up one.
> 
> 
> As Thomas has said, see NET-SNMP-EXTEND-MIB for
> the structure of this MIB.   If you take a copy of this file
> and change the root (nsExtendObjects) to point to your
> specified OID, then snmpwalk should use meaningful
> names, and interpret the indexes properly.
>    (But don't forget to change the module name too!)
> 
> Dave
> 
> 

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