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.
--
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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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