On 04/04/2008, Clapper_Don@emc.com wrote:
> In snmp_api.h, the snmp message id (msgid)is defined in struct snmp_pdu
> as a long value. Then in snmp_api.c, snmpv3_parse does the following
> message id boundry check.


> This appears to limit the message size to 2147483648

That is correct.

See the definition of the SNMPv3Message structure in section 6
of RFC 3412. In particular:

HeaderData ::= SEQUENCE {
msgID INTEGER (0..2147483647), <====

The request ID is also limited to a max value of 2147483647
(e.g. PDU definition in section 3 of RFC 3416)


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