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Hi,
This problem has got me baffled, the problem appears in the RTG port,
but as far as I can see the problem is net-snmp related.
I am running rtg-0.7.4 (not very relevant to the discussion perhaps) on
a FreeBSD 6.1
./rtgpoll:
libnetsnmp.so.9 => /usr/local/lib/libnetsnmp.so.9 (0x28078000)
[EMAIL PROTECTED] /usr/ports/net/rtg/work/rtg-0.7.4/src]# pkg_info | grep snmp
net-snmp-5.2.2_2 An extendable SNMP implementation
I noticed (and a tcpdump confirms) that RTG is sending the queries to
port 161 while I have it configured for port 12406. I know this sounds
like a RTG problem, but in the following code snippet:
session.remote_port = set.snmp_port;
printf("Debug %d\n",session.remote_port);
session.community = current->community;
session.community_len = strlen(session.community);
sessp = snmp_sess_open(&session);
anOID_len = MAX_OID_LEN;
pdu = snmp_pdu_create(SNMP_MSG_GET);
read_objid(current->objoid, anOID, &anOID_len);
entry = current;
last_value = current->last_value;
init = current->init;
insert_val = 0;
bits = current->bits;
strncpy(storedoid, current->objoid, sizeof(storedoid));
current = getNext();
}
if (set.verbose >= DEVELOP)
printf("Thread [%d] unlocking (done grabbing current)\n",
worker->index);
PT_MUTEX_UNLOCK(&crew->mutex);
snmp_add_null_var(pdu, anOID, anOID_len);
if (sessp != NULL)
status = snmp_sess_synch_response(sessp, pdu, &response);
else
status = STAT_DESCRIP_ERROR;
/* Collect response and process stats */
PT_MUTEX_LOCK(&stats.mutex);
if (status == STAT_DESCRIP_ERROR) {
stats.errors++;
printf("*** SNMP Error: (%s) Bad descriptor.\n",
session.peername);
} else if (status == STAT_TIMEOUT) {
stats.no_resp++;
printf("*** SNMP No response: ([EMAIL PROTECTED]) on %d.\n",
session.peername,
storedoid,session.remote_port);
at both the Debug statement and the session.remote_port at the bottom, I
am getting the correct port number 12406, but still my tcpdump shows the
traffic goes to 161:
Initializing SNMP (v1, port 12406).
Debug 12406
*** SNMP No response: ([EMAIL PROTECTED]) on 12406.
Thread [3] processing 192.168.255.2 .1.3.6.1.2.1.2.2.1.14.5 (9 work
units remain in queue)
[EMAIL PROTECTED] /usr/ports/net-mgmt/net-snmp/work/net-snmp-5.2.2/man]#
snmpwalk -v 1 -c public x.y.74.197 .1.3.6.1.4.1.12342.4.4.4.2.0
Timeout: No Response from 217.113.74.197
[EMAIL PROTECTED]/usr/ports/net-mgmt/net-snmp/work/net-snmp-5.2.2/man]# snmpwalk
- -v 1 -c public x.y.74.197:12406 .1.3.6.1.4.1.12342.4.4.4.2.0
Pivia::lruItemBulk.0 = Gauge32: 0
I would be glad to help but I don't know exactly where to look from here...
Sincerely,
Eric Loos
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