[mrtg] SNMP v2 issues with queries

[Jeffrey Smith]

I have the following configuration:

Logformat: rrdtool
WorkDir: /usr/local/rrddb
ThreshDir: /usr/local/threshold
IconDir: /mrtg/icons/
Options[_]: growright, bits

Target[mrtg_nns_2144]: .
1.3.6.1.4.1.9.2.1.56.0&.1.3.6.1.4.1.9.2.1.56.0:community at hostname.domain.com
SetEnv[mrtg_nns_2144]: MRTG_INT_IP="" MRTG_INT_DESC="*CPU Utilization"
MaxBytes[mrtg_nns_2144]: 100
Options[mrtg_nns_2144]: gauge
Title[mrtg_nns_2144]: *CPU Utilization (hostname.domain.com Cisco 6509)
Directory[mrtg_nns_2144]: domain

Target[mrtg_nns_2145]: \Serial1/1/0:community at hostname.domain.com
SetEnv[mrtg_nns_2145]: MRTG_INT_IP="64.16.3.118" MRTG_INT_DESC="Internet
DS-3"
MaxBytes[mrtg_nns_2145]: 5625000
Title[mrtg_nns_2145]: Internet DS-3 (hostname.domain.com Cisco 6509
Serial1/1/0)
Directory[mrtg_nns_2145]: domain

Target[mrtg_nns_3034]: \GigabitEthernet4/2:community at hostname.domain.com:
::::2
#Target[mrtg_nns_3034]: 6:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_3034]: 31250000
Title[mrtg_nns_3034]: Orbitel (hostname.domain.com Cisco 6509
GigabitEthernet4/2)
Directory[mrtg_nns_3034]: domain

Target[mrtg_nns_3632]: \GigabitEthernet7/48:community at hostname.domain.com:
::::2
#Target[mrtg_nns_3632]: 80:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_3632]: 125000000
Title[mrtg_nns_3632]: XO GigE (hostname.domain.com Cisco 6509
GigabitEthernet7/48)
Directory[mrtg_nns_3632]: domain

Target[mrtg_nns_4005]: \GigabitEthernet7/46:community at hostname.domain.com:
::::2
#Target[mrtg_nns_4005]: 78:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_4005]: 125000000
Title[mrtg_nns_4005]: JD(DIA) (hostname.domain.com Cisco 6509
GigabitEthernet7/46)
Directory[mrtg_nns_4005]: domain

Target[mrtg_nns_4197]: \TenGigabitEthernet3/1:community at hostname.domain.com:
::::2
#Target[mrtg_nns_4197]: 1:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_4197]: 1250000000
Title[mrtg_nns_4197]: 10G (hostname.domain.com Cisco 6509
TenGigabitEthernet3/1)
Directory[mrtg_nns_4197]: domain

Target[mrtg_nns_4199]: \TenGigabitEthernet3/2:community at hostname.domain.com:
::::2
#Target[mrtg_nns_4199]: 2:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_4199]: 250000000
Title[mrtg_nns_4199]: 1_10G (hostname.domain.com Cisco 6509
TenGigabitEthernet3/2)
Directory[mrtg_nns_4199]: domain

Target[mrtg_nns_4200]: \TenGigabitEthernet3/3:community at hostname.domain.com:
::::2
#Target[mrtg_nns_4200]: 3:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_4200]: 250000000
Title[mrtg_nns_4200]: Orbitel2_10G (hostname.domain.com Cisco 6509
TenGigabitEthernet3/3)
Directory[mrtg_nns_4200]: domain

Target[mrtg_nns_4408]: \GigabitEthernet7/43:community at hostname.domain.com:
::::2
#Target[mrtg_nns_4408]: 75:community at hostname.domain.com:::::2
MaxBytes[mrtg_nns_4408]: 125000000
Title[mrtg_nns_4408]: Colo (hostname.domain.com Cisco 6509
GigabitEthernet7/43)
Directory[mrtg_nns_4408]: domain


The above results in the following errors:
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'GigabitEthernet4/2'
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'GigabitEthernet7/48'
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'GigabitEthernet7/46'
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'TenGigabitEthernet3/1'
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'TenGigabitEthernet3/2'
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'TenGigabitEthernet3/3'
Monday, 8 April 2013 at 17:59: WARNING: Could not match
host:'community at hostname.domain.com:::::2' ref:'Descr'
key:'GigabitEthernet7/43'

Now from everything I've read online this means the mrtg thinks that those
interfaces don't exist on the router.  Save an snmpwalk from the same
server of that device shows those interfaces.  Plus the .ok file for this
router is populated correctly.  What could possibly cause this issue?  The
commented lines above were to test when I switch to the ifIndex number.
 Switching to the ifIndex number gets me around the errors but the data
isn't correct (for the gigabit interfaces its about 200megabit shy of what
a show interface on the router reports).

This appears to only be occurring on interfaces queried with SNMP v2.  The
v1 interfaces return data normally.

Thanks,
Jeffrey Smith
Network Engineer, CCNA
Neonova Network Services
(919) 460-3330
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