Hi all.
Thanks Robert !!!!
I need to send these display strings (that I am going to define of 1492 B, like you have advised me) by a TRAP. Could a TRAP PDU carry several of these Display Strings or it would be to much information? would be better to send just one of then by the TRAP and make the manager that receive the TRAP to get the others?
Another thing I need to know is if net-snmp is ruled by the RFCs on the ASN/BER encoding, with no variation at all.
Thanks again for you help to all of us.
----- Original Message ----- From: "Robert Story" <[EMAIL PROTECTED]>
To: "Gemma Sanchez" <[EMAIL PROTECTED]>
Cc: <net-snmp-users@lists.sourceforge.net>
Sent: Friday, April 01, 2005 8:39 PM
Subject: Re: MAXIMUN SIZE of a Display String
On Mon, 28 Mar 2005 09:50:50 +0200 Gemma wrote:
GS> - I have read in the book "SNMP, SNMPv2, SNMPv3 and RMON 1 and 2" that the
GS> theoretical maximum size of a OCTECT STRING is 64 KB. I need to know
GS> if this limit is kept by net-snmp or if it imposes another one.
It is the size limit of a UDP packet.
GS> question about this matter, would be any problem is transmit a such a BIG
GS> piece of information? What maximum size do you advise me?
Very possibly, depending on the networks the packet has to traverse. 1492 should be a safe size that will avoid fragmentation on most networks.
GS> - Other information I need, to perform the performance analysis of my
GS> implementation, is the structure of the SNMP PDU generated by net-snmp. It
GS> is, how is the structure of the SNMP-PDU that is sent through a TCP-PDU:
GS> its fields and the size of those fields, how long is an oid, how long is
GS> the type field for a variable, how is every type codified to be sent, the
GS> size of control information, etc... I need to study how many bytes use
GS> SNMP.
Read the RFCs on the ASN/BER encoding.
-- NOTE: messages sent directly to me, instead of the lists, will be deleted unless they are requests for paid consulting services.
Robert Story; NET-SNMP Junkie
Support: <http://www.net-snmp.org/> <irc://irc.freenode.net/#net-snmp>
Archive: <http://sourceforge.net/mailarchive/forum.php?forum=net-snmp-users>
You are lost in a twisty maze of little standards, all different.
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