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overwrite sysContact, sysName, sysLocation

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norman...@gmx.de

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May 23, 2011, 5:14:33 AM5/23/11
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Hello,

I would like to overwrite the writable systemGroup OID's in order to set default names and reset the values. sysName should be the same like the hostname from a linux system. If i set these OID's within the snmpd.conf the OID'S only can read. I thought i can overwrite the OID's within my own mib but it is not possibe because i've got the message 'duplicate registration: MIB modules mibII/sysName and sysName (oid .1.3.6.1.2.1.1.5).'

I use the default snmpd an wrote an shared object with specific mib modules as well as with writable systemGroup OID's.

How it is possible to overwrite the systemGroup OID's sysContact, sysName sysLocation in usual way.

Norman
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Dave Shield

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May 23, 2011, 5:41:28 AM5/23/11
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On 23 May 2011 10:14, <norman...@gmx.de> wrote:
> If i set these OID's within the snmpd.conf the OID'S only can read....

> How it is possible to overwrite the systemGroup OID's sysContact, sysName sysLocation in usual way.

The simplest way is to not specify anything in the snmpd.conf file,
and use "snmpset" commands to set the initial values. You can then
overwrite these later.

You only need to set the initial value once - the agent will remember it
and use this value until you explicitly change it.

Dave

Dave Shield

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May 23, 2011, 7:41:59 AM5/23/11
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On 23 May 2011 11:24, Jaime Lozano <jaimel...@gmail.com> wrote:
> Hi Dave,
> Will those values be remembered after a reboot?

Yes

norman...@gmx.de

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May 23, 2011, 8:23:21 AM5/23/11
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Thaks for your fast answer.
For OID's sysLocation and sysContact it works perfectly. Default sysName is the same like the hostname, thats ok. But i also have to change the hostname if the sysName was changed. On the one side i do an snmpset request and only the sysName changed but not the hostname. On the other side i change the hostname via web and i can call an snmpset request and can change the sysName.

Can i overwrite the OID sysName from default snmpd in order to change the hostname if the sysName changed.

Norman

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