[rhn-users] SNMP query Question

[Hicks, Adrian]

 Hi,
I am using SNMP to query server activity and performance and log this to
MRTG. This works fine on most servers but having trouble getting data
from on a couple of queries only on some servers. This seems to be
happening on UC Davis queries only.
Eg.
To test the query I issue a command on a server that the result is
fine:-
[root at XXXXauberux01 root]# snmpwalk -v 1 -c XXXXpublic XXXXauberux61
ssCpuRawWait.0
UCD-SNMP-MIB::ssCpuRawWait.0 = Counter32: 202608364
.
This response is fine .
.
But when I issue this command on a machine that I am not receiving a
response from, I get a null response. Eg.
.
[root at XXXXauberux01 root]# snmpwalk -v 1 -c XXXXpublic XXXXauberux31
ssCpuRawWait.0
.
Now this server that I got the null response from, snmp queries do work,
just a couple like the eg. above I get no data back.
Both servers have the same rpm's installed & same OS levels, eg.
[root at btrauberux61 root]# rpm -qa |grep snmp
net-snmp-cmaX-5.1.2-220
net-snmp-cmaX-utils-5.1.2-220
net-snmp-cmaX-libs-5.1.2-220
net-snmp-cmaX-devel-5.1.2-220
net-snmp-cmaX-perl-5.1.2-220
.
The RPM's above are HP, Poliant Support Pack rpm's, but same happens
with RH SNMP rpm's. MRTG have the UCD-SNMP-MIB's loaded and exist.

Any ideas why I can get an query this MIB on most servers but not others
??

Thanks
Adrian
 

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