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 xyz -A 12345678 -X 12345678 -a MD5 -l authNoPriv 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 xyz -A 12345678 -X 12345678 -a MD5 -l authNoPriv 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.
Can you please help me out in figuring Where is agent broken and how to fix
it?
Thanks in advance!
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