The issue is caused by my network administrator. Now, everything is fine.
thanks,
Xian
On Fri, Nov 13, 2009 at 4:05 PM, Xian Chen <[email protected]> wrote:
> Hi,
>
> First, I run "sudo snmpd" not "sudo snmp". Sorry for the typo.
>
> I delete those duplicated lines and it works. So, I realize that the snmpd
> should take care of this kind of issue.
>
> Now, I run snmpget -c public -v2c localhost system.sysUpTime.0
>
> It gives me the correct result.
>
> But, I run snmpget -c public -v2c 137.99.10.108 system.sysUpTime.0
>
> It says "Timeout: No response from 137.99.10.108"
>
> "137.99.10.108" is my ip address.
>
> I suppose both "localhost" and "ip address" would give me the result. but
> why not?
>
> Thanks,
> Xian
>
>
> On Fri, Nov 13, 2009 at 12:01 PM, Dave Shield
> <[email protected]>wrote:
>
>> 2009/11/13 Xian Chen <[email protected]>:
>> > After executing sudo snmp, I check the snmp.log file. It says:
>> > Sensor Data Collection not supported
>> > netsnmp_assert 0 == (ifentry->ns_flags & 0x00000100) failed
>> > if-mib/ifTable/ifTable_data_access.c:285 _add_new_interface()
>> > NET-SNMP version 5.4.2.1
>> > So, snmpget or snmpwalk cannot pull out any information from my host.
>> > Any comments?
>>
>>
>> I've no idea what commands Apple might provide, but I would
>> expect "sudo snmp" to give the error "command not found".
>> We don't include a command called "snmp".
>>
>> Three fairly specialised error messages might indicate problems
>> with individual MIB modules, but shouldn't kill the whole agent.
>> If nothing else, you ought to be able to query the system group.
>>
>> But since you haven't given any details of what snmpget
>> or snmpwalk command you've tried, it's impossible to know
>> what might be happening.
>>
>>
>> As regards to your config file.
>>
>>
>>
>> > # snmpd.conf
>> > #
>> > # - created by the snmpconf configuration program
>>
>> <shudder>
>>
>>
>>
>> > rwuser admin
>> > rwuser private
>> > rouser public
>>
>> You should probably check whether these users have been created
>> in the file /var/net-snmp/snmpd.conf. Defining a r{ow}user line
>> does *not* automatically create the user. This has to be done
>> explicitly. See README.snmpv3 for details.
>>
>>
>>
>>
>> > rocommunity public default .1.3.6.1.2.1.1.4
>> > rocommunity public
>> > rocommunity public
>>
>> Three lines, listing the same community string?
>> That's one of the reasons that I don't like "snmpconf"!
>>
>> Get rid of the first two.
>> (Unless you explicitly want to limit queries to just 'sysContact'
>> and nothing else!)
>>
>>
>> > rwcommunity private
>> > rwcommunity private
>>
>> Get rid of one of these (and change
>> "private" to something less guessable!)
>>
>>
>> > syslocation Right here, right now.
>> > syslocation server_room
>> > syslocation ite225
>>
>> > syscontact Administrator <[email protected]>
>> > syscontact [email protected]
>>
>> Again, there's no point in having multiple copies of these
>> directives. Decide which value you want to use, and
>> get rid of the others.
>>
>> > #
>> > # Unknown directives read in from other files by snmpconf
>> > #
>> > #com2sec local localhost COMMUNITY
>> > #com2sec mynetwork NETWORK/24 COMMUNITY
>> > group MyRWGroup v1 local
>> > group MyRWGroup v2c local
>> > group MyRWGroup usm local
>> > group MyROGroup v1 mynetwork
>> > group MyROGroup v2c mynetwork
>> > group MyROGroup usm mynetwork
>> > view all included .1 80
>> > access MyROGroup "" any noauth exact all none none
>> > access MyRWGroup "" any noauth exact all all none
>>
>> If you're using the r[ow]{comunity,user} approach,
>> then get rid of these lines. They'll just confuse the issue.
>>
>>
>>
>> Dave
>>
>
>
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