[mrtg] Cisco 2970, VLANs, and MRTG

[John Oliver]

I ran cfgmaker against some 2970s and got configs.  Everything works
fine until I move a port into a VLAN other than the default VLAN, at
which point MRTG no longer gets any data for most ports.  MRTG gets
data for one port on each that's configured as a trunk and one port on
one switch (that's in the default VLAN).  Nothing else.

My assumption was that setting up or populating additional VLANs changed
OIDs or the interfaces that MRTG knows about.  But that doesn't seem to
be the case... I can snmpget the OIDs
(1.3.6.1.2.1.2.2.1.10.10103&1.3.6.1.2.1.2.2.1.16.10103 for example)  I
tried specifying those exact OIDs in the config file, but that doesn't
work either.

Hoping to generate a useful error message, I copied one stanza to a test
config file and ran it manually... and it worked.  So I copied another
stanza into the test config, one that was created by cfgmaker, and ran 
it... and it worked.

So, basically, if I run MRTG manually I get stats for all of my ports. 
If I let MRTG run from cron, I do not.  What up?

-- 
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* John Oliver                             http://www.john-oliver.net/ *
*                                                                     *
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