Re: Question regarding SNMP GET response PDU

2007-12-06 Thread Dave Shield
On 04/12/2007, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I would like to inform that I am trying to learn SNMP form William Stallings SNMP,SNMPV2,Snmpv3,and RMON 1 and 2. Yup - that's a reasonable book, I found it a bit repetative when describing the three versions of SNMP, and not

Re: Question regarding SNMP GET response PDU

2007-12-04 Thread Dave Shield
On 04/12/2007, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I have one basic question regarding SNMPv2 GET response PDU. Suppose manager has queried for 3 attributes say v1, v2, v3, v4 Now suppose the response for the attributes are as follows. V1success V2 error (No

RE: Question regarding SNMP GET response PDU

2007-12-04 Thread somenath.pal
- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave Shield Sent: Tuesday, December 04, 2007 2:22 PM To: Somenath Pal (WT01 - TES-Access Networks) Cc: net-snmp-users@lists.sourceforge.net Subject: Re: Question regarding SNMP GET response PDU On 04/12/2007, [EMAIL PROTECTED

Re: Question regarding SNMP GET response PDU

2007-12-04 Thread Dave Shield
On 04/12/2007, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: suppose noSuchInstance pseudo-values is 10 No. It doesn't work that way, The exception pseudo-value *is* noSuchInstance This is essentially a type in its own right - distinct from integer, octet string, OID, etc Then how manager

RE: Question regarding SNMP GET response PDU

2007-12-04 Thread somenath.pal
Hi Dave, Many thanks for the response. I would like to verify my understanding. So noSuchInstance is a ASN1 type .So while encoding the PDU it will be different than other type such as INTEGER, GAUGE32 etc. So manger while decoding will come to knows that it is noSuchInstance. Please let me

Re: Question regarding SNMP GET response PDU

2007-12-04 Thread Dave Shield
On 04/12/2007, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I would like to verify my understanding. So noSuchInstance is a ASN1 type. Sort of. See RFC 1905, section 3 for the definition of the VarBind structure. I would like to know more about how the coding is being done. Could you please

RE: Question regarding SNMP GET response PDU

2007-12-04 Thread somenath.pal
Hi Dave, Many thanks for your response and suggestion. I would like to inform that I am trying to learn SNMP form William Stallings SNMP,SNMPV2,Snmpv3,and RMON 1 and 2. In this book it is mentioned that noSuchInstance will be put in the value field .But it was not clear for me that it is

Question regarding SNMP GET response PDU

2007-12-03 Thread somenath.pal
Hi All, I have one basic question regarding SNMPv2 GET response PDU. Suppose manager has queried for 3 attributes say v1, v2, v3, v4 Now suppose the response for the attributes are as follows. V1success V2 error (No Such instance) V3 error (No