Re: To understand the increase in size of buffer in agentx_parse() in net-snmp-5.8

[Bart Van Assche]

On 4/25/19 8:00 AM, Vijay, Anjali wrote: I recently started working with net-snmp-5.8. I had a query over a change that was made to agentx_parse() in agent/mibgroup/agentx/protocol.c. I noticed that the buffer of  SNMP_MAX_MSG_SIZE (1472) in net-snmp-5.7.3 has been replaced with the size 65536 in net-snmp-5.8.   u_char buffer[65536];   I didn’t find any clarification in the ChangeLogs for this large increase of size. Can this size be reduced? It would be of great help if anyone can clear me out on this since my application has memory constraints. Hi Anjali, I will have a look and see whether it is possible to modify the AgentX code without reducing performance and without dropping support for large AgentX packets. BTW, the following commit increased the buffer size: c09140c934eb ("CHANGES: snmpd: Increase maximum AgentX packet size to 64kB.") Bart.

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