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

very Nice Raffles.

I have one more question:

See the example  below:

snmpget -c public zeus system.sysDescr.0

I tried the follow command:

snmpget -v1 -Cf -c public DNS2 LinkDown

and I receive the following message:

root@ossserver1> snmpget -v1 -Cf -c public DNS2 LinkDown
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: IF-MIB::linkDown

I suppose that the something are missing in the variable name,

Can you say which is the completely variable name for this case???
Ex system.LinkDown.0  ----> I test with this and the same error occurs

BR
Paulo



>From: Raffles <[email protected]>
>To: Paulo Ricardo <[email protected]>
>CC: [email protected], 
>[email protected],[email protected]
>Subject: Re: No traps for Link down/up in SUN Netra 240 machines
>Date: Mon, 13 Feb 2006 15:34:15 +0000
>
>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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