HI,
I have implemented an AgentX subagent.
The mib is standard Q-BRIDGE_MIB, node is
dot1qVlanVersionNumber OBJECT-TYPE
SYNTAX INTEGER {
version1(1)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The version number of IEEE 802.1Q that this device
supports."
REFERENCE
"IEEE 802.1Q/D11 Section 12.10.1.1"
::= { dot1qBase 1 }
I have generated the code using mib2c dot1qVlanVersionNumber
1.net-snmp style
2. Both ways scalar and tied integer.
code generated and modified from mib2c.scalar.conf is
long dot1qVlanVersionNumber = 1; /* XXX: set default value */
/*
* Our initialization routine, called automatically by the agent
* (Note that the function name must match init_FILENAME())
*/
void
init_dot1qVlanVersionNumber(void)
{
static oid dot1qVlanVersionNumber_oid[] = {
1,3,6,1,2,1,17,7,1,1,1 };
DEBUGMSGTL(("dot1qVlanVersionNumber", "Initializing\n"));
netsnmp_register_scalar(
netsnmp_create_handler_registration("dot1qVlanVersionNumber",
handle_dot1qVlanVersionNumber,
dot1qVlanVersionNumber_oid, OID_LENGTH(dot1qVlanVersionNumber_oid),
HANDLER_CAN_RONLY
));
}
int handle_dot1qVlanVersionNumber(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
switch(reqinfo->mode) {
case MODE_GET:
case MODE_GETNEXT:
snmp_set_var_typed_value(requests->requestvb,
ASN_INTEGER,
(u_char *)
&dot1qVlanVersionNumber/* XXX: a pointer to the scalar's data */,
sizeof(long)/* XXX: the length of
the data in bytes */);
break;
default:
/* we should never get here, so this is a really bad
error */
snmp_log(LOG_ERR, "unknown mode (%d) in
handle_dot1qVlanVersionNumber\n", reqinfo->mode );
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
When I do snmpwalk I get
snmpwalk -v3 -u hmcuser -A abc12345 -X abc12345 -a MD5 -l authPriv
localhost Q-BRIDGE-MIB::dot1qVlanVersionNumber
Q-BRIDGE-MIB::dot1qVlanVersionNumber.0 = INTEGER: version1(1)
Q-BRIDGE-MIB::dot1qVlanVersionNumber.0 = Wrong Type (should be INTEGER):
NULL
Error: OID not increasing: Q-BRIDGE-MIB::dot1qVlanVersionNumber.0
>= Q-BRIDGE-MIB::dot1qVlanVersionNumber.0
snmpget is working fine
snmpget -v3 -u hmcuser -A abc12345 -X abc12345 -a MD5 -l authPriv
localhost Q-BRIDGE-MIB::dot1qVlanVersionNumber.0
Q-BRIDGE-MIB::dot1qVlanVersionNumber.0 = INTEGER: version1(1)
This behaviour is same when code is generated using tied integer.
Why I am getting Q-BRIDGE-MIB::dot1qVlanVersionNumber.0 = Wrong Type
(should be INTEGER): NULL
Error: OID not increasing: Q-BRIDGE-MIB::dot1qVlanVersionNumber.0
>= Q-BRIDGE-MIB::dot1qVlanVersionNumber.0
in snmpwalk output?
I searched for this in archive and found that this is probably due to my
agent is broken.
Where is agent broken and how to fix it?
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