From: Mike Brodbelt (mike@coruscant.demon.co.uk)
Date: Mon Aug 21 2006 - 08:59:18 EDT
I'm trying to monitor a number of Solaris hosts, and my network usage
graphs are frequently nonsensical, as some Sun platforms don't seem to
report usage correctly. Has anyone else seen this kind of thing, and is
there an answer?
On a SunFire T1000, which is a 64 bit SPARC running Solaris 10, I get:-
Code:
# snmpwalk -v 1 -c public localhost .1.3.6.1.2.1.2.2.1.16; sleep 10;
snmpwalk -v 1 -c public localhost .1.3.6.1.2.1.2.2.1.16
IF-MIB::ifOutOctets.1 = Counter32: 0
IF-MIB::ifOutOctets.2 = Counter32: 1130444817
IF-MIB::ifOutOctets.3 = Counter32: 448
IF-MIB::ifOutOctets.1 = Counter32: 0
IF-MIB::ifOutOctets.2 = Counter32: 1179165808
IF-MIB::ifOutOctets.3 = Counter32: 448
That works out to a data rate of about 37Mbps, which is pretty much what
I'm expecting from this box. On a SunFire X4100 (64 bit Opteron) which
is part of the same cluster, I get:-
Code:
# snmpwalk -v 1 -c public localhost .1.3.6.1.2.1.2.2.1.16; sleep 10;
snmpwalk -v 1 -c public localhost .1.3.6.1.2.1.2.2.1.16
IF-MIB::ifOutOctets.1 = Counter32: 0
IF-MIB::ifOutOctets.2 = Counter32: 957267
IF-MIB::ifOutOctets.3 = Counter32: 656354
IF-MIB::ifOutOctets.1 = Counter32: 0
IF-MIB::ifOutOctets.2 = Counter32: 957697
IF-MIB::ifOutOctets.3 = Counter32: 656354
which gives a data rate of < 1Kbps on interface 2, and zero on 3.
Looking at the traffic to that host from my load balancer, I should be
seeing about 20-25Mbps on each interface. Neither machine supports the
ifXTable (both are running the Solaris SNMP daemon, which is actually
just net-snmpd), so I was hoping someone else here might have
encountered this problem in the past and know a way round it.
Mike
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