[mrtg] Re: problem with solaris boxes

[Tim Kennedy]

For one thing, Sun's SNMP implementation is wonky, if you are using the
oob snmpd.   For example, there is no ifOutOctets.   You can measure
ifInOctets, but sun, for whatever reason, did not choose to include
ifOutOctets.  Sun also reports the ifspeed wrong.  Like they only have one
option or something. from snmpwalk:
interfaces.ifTable.ifEntry.ifSpeed.1 = Gauge: 10000000

That's a 100mbit full duplex ethernet connection.  from dmesg:
SUNW,hme0: 100 Mbps full-duplex Link Up

So you can't rely on the sun implementation of SNMP to give you correct
information.   You need to build your config file with what you *know* to
be correct, or you need to just monitor the switch port.

Cheers,

-Tim



On Wed, 24 Nov 1999, Meena Chockalingam wrote:

> Hi All,
> 
> I am monitoring a SUN solaris server for bandwidth utilization. The box has 
> 3 quad fast etherent cards with the speed of 100 Mbits/sec. But when I tried 
> to monitor the server using MRTG, the max speed comes up as 10Mbits/sec. The 
> setting on the server shows as 100Mbits/sec. Also, I am monitoring the 
> switch port that this server is connected to using MRTG and it shows 
> 100Mbits/sec speed. Also, the bandwidth utilization on the switch side shwos 
> about anywhere between 30-70% utilization whereas the server itself shows 1 
> to 2% utilization after adding up all 3 interfaces.
> 
> Ant idea on what things should I look for to troubleshoot this problem? Has 
> anyone had any experiences with SUN's mib-2 support? All the variables I am 
> trying to monitor are mib-2 variables like ifInOctets, ifOutOctets and 
> ifSpeed.
> 
> thanks,
> Meena
> 
> 
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Timothy Kennedy
sugarat.net, Network Management Resources
http://www.sugarat.net

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