Re: No traps for Link down/up in SUN Netra 240 machines

Hi Paul,

If I've understood your post correctly you're looking in the MIB 
definition file to find out what particular value an item has in the MIB 
you're interested in. In particular you are interested in whether 
notifications are ON or OFF. Have I followed you correctly so far?

The MIB definition file which you attached (and indeed all MIB 
definition files) only tell you what information is contained in the 
MIB, not what the current settings are. So for example a MIB definition 
file might tell you the current CPU temperature, but it will not tell 
you what the temperature is - only that you can find it out from the 
MIB. That's why you can't see any settings in there. The most you're 
likely to get in terms of a value is the default, so for example in the 
MIB you attached we have:

ifLinkUpDownTrapEnable  OBJECT-TYPE
     SYNTAX      INTEGER { enabled(1), disabled(2) }
     MAX-ACCESS  read-write
     STATUS      current
     DESCRIPTION
             "Indicates whether linkUp/linkDown traps should be generated
             for this interface.

             By default, this object should have the value enabled(1) for
             interfaces which do not operate on 'top' of any other
             interface (as defined in the ifStackTable), and disabled(2)
             otherwise."
     ::= { ifXEntry 14 }

The way to find out the current value and also to change the settings 
(assuming the information you're after isn't read-only) is to use SNMP 
tools - either an SNMP management tool or just the command line 
utilities. I haven't read the original reply to your question, but I'm 
guessing the earlier respondent has mentioned this already!

Caveat: I'm fairly new to SNMP in general so it may be that these 
particular parameters can be set in a config file somewhere.

I hope this helps

Raffles

Paulo Ricardo wrote:
> Hi Helen.
> 
> I found in application´s directory  the IF-MIB.txt that contains the 
> fields relathionship with LinkDownUp notifications.
> 
> If is it possible and If you have time, can you analize the mib attach 
> and say to me If the
> notifications are ON or OFF?
> 
> If they are OFF, how can I put they ON???
> 
> Best Regards,
> Paulo
> ps:I apologies , but  i´m not understand MIB structure.
> 
> 
>> From: "H. McManus" <[email protected]>
>> To: [email protected]
>> Subject: Re: No traps for Link down/up in SUN Netra 240 machines
>> Date: Mon, 13 Feb 2006 15:01:22 +0100
>>
>> On Monday 13 February 2006 14:42, Paulo Ricardo wrote:
>>
>> > Where can I look for .1.3.6.1.2.1.31.1.1.1.14 ???
>>
>> Umm. Right there :-) Either use the snmp command snmpget or use a 
>> graphical
>> mib browser (net-snmp comes with one called tkmib) and you can see the 
>> value
>> of those fields.
>>
>> > Where can I change the ifLinkUpDownTrapEnable or linkUpDown 
>> notifications
>> > value??
>>
>> snmpd.conf contains a directive linkUpDownNotifications. See man 
>> snmpd.conf
>> for the full details.
>>
>> Helen
>>
>>
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