RE: SNMP reporting wrong max bandwidth

>On 28/11/2007, Tim Donnelly <[email protected]> wrote:
>> Manually walking the remote servers from Isis using the command:
snmpwalk
>> -v1 -c public grdb ifSpeed snmpwalk -v2c -c public grdb ifhighspeed gives
>> the following output:
>>
>> IF-MIB::ifSpeed.1 = Gauge32: 10000000
>> IF-MIB::ifSpeed.2 = Gauge32: 100000000
>> IF-MIB::ifSpeed.3 = Gauge32: 0
>> IF-MIB::ifSpeed.4 = Gauge32: 0

>That's the output of walking the ifSpeed column.

>What is the output of walking 'ifHighSpeed' ?
>(Note the capitalisation).

Walking with 'ifHighSpeed' gives me this:

isis:/home/tdonnelly # snmpwalk -v1 -c public grdb ifHighSpeed
IF-MIB::ifHighSpeed.1 = Gauge32: 10
IF-MIB::ifHighSpeed.2 = Gauge32: 100
IF-MIB::ifHighSpeed.3 = Gauge32: 0
IF-MIB::ifHighSpeed.4 = Gauge32: 0

>Try running the agent using '-DmibII/interfaces'
>That should display some debugging information relating to the IF-MIB
>processing.  What does this report when you walk the ifSpeed column.

>Dave

Perhaps I am doing something wrong, but running:

isis:/home/tdonnelly # snmpwalk -v1 -c public grdb ifSpeed
-DmibII/interfaces

gives me:

No log handling enabled - turning on stderr logging
registered debug token mibII/interfaces, 1
IF-MIB::ifSpeed.1 = Gauge32: 10000000
IF-MIB::ifSpeed.2 = Gauge32: 100000000
IF-MIB::ifSpeed.3 = Gauge32: 0
IF-MIB::ifSpeed.4 = Gauge32: 0

Also, I appreciate John Hardins' suggestion for "hard coding" the speed.  My
concern is, if snmp is reporting the wrong value for the max speed, is it
giving me the correct values for the current bandwidth used?

Thanks for the help.


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