[mrtg] newbie question

[Christopher Noyes]

>From your snmpwalk it appears you are using snmp v2 but you aren't in your 
cfgmaker statement.  Try adding --snmp-options=:::::2 to your cfgmaker 
statement.
This is from the cfgmaker on-line documentation:  (
--snmp-options=:[<port>][:[<tmout>][:[<retr>][:[<backoff>][:<ver>]]]])



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"Ken Gibson" <ken.gibson at iapshop.com> 
Sent by: mrtg-bounces at lists.oetiker.ch
05/10/2007 08:49 AM

To
<mrtg at lists.oetiker.ch>
cc

Subject
[mrtg] newbie question





Greetings, all.
 
Before I get to my question let me say  MRTG is the greatest thing since 
sliced bread. I'm very new to SNMP, however, so  please be gentle.
 
Like the question asked earlier by  another list member, I'd like to 
use explicit OIDs to monitor bytes in and  out on Array Network machines 
from Fedora Core5. The command I'm using is 
 
./bin/cfgmaker -global 'WorkDir:/private-1/www/array' --global 
'Options[_]:bits,growright' --output 
/private-1/www/array/cfg/vip_in_out_6.cfg 
1.3.6.1.4.1.7564.22.6\&1.3.6.1.4.1.7564.22.7:public at 10.10.63.6
 
which throws the following:
 
--base: Get Device Info on 
1.3.6.1.4.1.7564.22.6&1.3.6.1.4.1.7564.22.7:public at 10.10.63.6:
SNMP  Error:
no response received
SNMPv1_Session (remote host: "10.10.63.6"  [10.10.63.6].161)
                   community: 
"1.3.6.1.4.1.7564.22.6&1.3.6.1.4.1.7564.22.7:public"
                  request ID:  -1871658509
                 PDU bufsize: 8000  bytes
                     timeout:  2s
                     retries:  5
                     backoff: 1)
 at /usr/share/mrtg-2.15.1/bin/../lib/mrtg2/SNMP_util.pm  line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on 
1.3.6.1.4.1.7564.22.6&1.3.6.1.4.1.7564.22.7:public at 10.10.63.6:::::v4only
 at  ./bin/cfgmaker line 924
WARNING: Skipping 
1.3.6.1.4.1.7564.22.6&1.3.6.1.4.1.7564.22.7:public at 10.10.63.6: as no info 
could be retrieved

--base: Writing  /private-1/www/array/cfg/vip_in_out_6.cfg

However, using snmpwalk by itself seems  to work. This might be expected, 
too, since I'm using a third-party MIB  file.
 
# snmpwalk -v 2c -c public -u array 10.10.63.6  1.3.6.1.4.1.7564.22.6
CA-SNMP-MIB::totalIPBytesIn.0 = Counter32:  2111313468
 
To test another method, I then created my  own .cfg file, which looked 
like 
 
EnableIPv6:  no
WorkDir:/private-1/www/array
LoadMIBs:  /usr/share/snmp/mibs/CA-SNMP-MIB.txt
Target[r1]:  1.3.6.1.4.1.7564.22.6&1.3.6.1.4.1.7564.22.7:public at 10.10.63.6
Options[_]:bits,growright
MaxBytes[r1]:  8000
Title[r1]: Bytes in and out 10.10.63.6
PageTop[r1]: <h1>Bytes  in and out 10.10.63.6</h1>

This generated graphs with no data, which  again might be expected since 
it was breaking earlier. 
Since there are several IP addresses  load-balanced by these machines, 
I've also tried 
Target[r1]: 
CA-SNMP-MIB::totalIPBytesIn.10.10.63.102&CA-SNMP-MIB::totalIPBytesOut.10.10.63.102:public at 10.10.63.6
The log for the last try says "Argument  'v4only' isn't numeric in int at 
..."
 
Any ideas why this wouldn't work?  Any help you can give me is greatly 
appreciated.
 
Thanks
 
Ken
 
PS - the default scripts from the  examples on the site work just fine 
with these devices; i.e., the graphs  generated by the command
 
./bin/cfgmaker -global  'WorkDir:/private-1/www/array' --global 
'Options[_]:bits,growright' --output  /private-1/www/array/cfg/mrtg.cfg  
public at 10.10.63.6
 
look great. 
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