[AGENT++] Maximum message size

[Fehde, Marcus]

Hi,
 
I have a similar problem as Fedja, but concerning the maximum message size.
Our project targets on an embedded system we are supposed to be canny with the use of stack. Accordingly to our requirements we can limit the maximum length of a value (varbind w/o OID) to 1024 bytes. So I tried to reduce the stack usage by configuring SNMP++/Agent++ to an appropriate maximum message length of 2048 bytes (assumption: 1024 bytes value + OID + SNMPv3 security stuff + X). I verified this with a network analyzer.
After that the only thing I received is "usmStatsUnknownEngineIDs" as response.
I tried the same with 3072 bytes and failed again. A message size of 4096 bytes works fine.
 
Does someone has an idea? Is there any constraint to the minimum message size? 
 
 
Best regards/Mit freundlichen Gruessen 

Marcus Fehde
Dipl. Ing. Technische Informatik (FH)

Research & Development 
Business Unit Anaesthesia 
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DRÄGER MEDICAL 

Dräger Medical AG & Co. KGaA 
Moislinger Allee 53-55 
D-23542 Lübeck 

Tel:  + 49-451-882-3646 
Fax: + 49-451-882-4410 
E-mail: marcus.fehde at draeger.com 
www.draeger-medical.com 
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