agentx subagent re-enabling
I have embedded a net-snmp agentx subagent in my c++ application code on Ubuntu
Linux. I want to disable the agentx subagent once it is working and then
re-enable it again. I am successfully able to setup the agent, poll the mib
using snmpget from the command line and disable agentx socket connection by
using snmp_shutdown but I am unable to re-enable the socket connection again
once I disable it.
Appreciate any help/pointers.
I use the following code to initialise the SNMP library and the agentx socket
connection.
In the beginning, initialise the AgentX subagent -
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL, 120);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, m_agentx_socket.c_str());
/* initialize the agent library */
init_agent("MyApp");
// initialise MIB module
init_snmp("MyApp");
The poll the MIB using snmpget and disable the connection using the function
below -
snmp_shutdown("MyApp");
SOCK_CLEANUP;
Works fine so far.
Then I re-enable the connection using the code below but this does not work.
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL, 120);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, m_agentx_socket.c_str());
/* initialize the agent library */
init_agent("MyApp");
init_snmp("MyApp");--
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snmpInBadCommunityUses is always zero
I'm using net-snmp 5.7.1 on FreeBSD 8.8.1. I'm trying to test the snmp features. When I do a GET of snmpInBadCommunityUses it is always zero. I've did an snmpwalk using an invalid community string and that request got rejected, but the snmpInBadCommunityUses did not increment. Other snmp vars seem to be incrementing as expected. Any ideas? Thanks, John Mullaney -- John Mullaneyoffice 952-562-3056 Dell | Compellent mobile 612-709-9050 7625 Smetana Lane, Minneapolis, MN 55344 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/___ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
5.6.1.1 release version crashes on Windows
I have installed the 5.6.1.1 version of net-snmp on windows 2008 Server r2. After it is set installed and set up, if I send an SNMP v2c trap, snmptrapd automatically exits every time. It does not matter if this is running as a service, or as a stand alone application. There are no extra plug-ins installed, just a clean installation of 5.6.1.1. V1 traps are seen, and printed out to the screen, but v2c just cause the program to crash, with the usual unhelpful windows errors. The system architecture is 64 bit, but the 5.6.1.1 download seems to be only 32 bit. I do not know if this could be the source of the problem. Due to legal issues, I'm confined to working with 5.6.1.1 until I get approval to try maybe 5.7. However, i have not seen any indication that the behavior I am experiencing is normal. I have tested many dfifferent mibs and formats for the v2c traps, and everything so far has failed. Even the simple examples given in the online net-snmp documentation cause snmptrapd to crash. Any help or suggestions would be appreciated. Kyle Grundmann -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/___ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
row merge error
Can anyone tell me what could cause the following error:
netsnmp_assert saved_requests[i] == request failed helpers/row_merge.c:270
netsnmp_row_merge_helper_handler()
I use the following registration:
/*reg tables ***/
handler_ptr = netsnmp_create_handler("sysContactTable",
sysContactTable_handler);
if(!handler_ptr)
{
TRACE_LOG( TRACE_SNMP, TRACE_INFO, "Memory allocation failed for snmp mib
init.");
return;
}
reg = netsnmp_handler_registration_create("sysContactTableChain",
handler_ptr,
sysContactTable_oid,
OID_LENGTH(sysContactTable_oid),
HANDLER_CAN_RWRITE);
if(reg == NULL)
{
netsnmp_handler_free(handler_ptr);
return;
}
table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info);
if(!verifyTableInfo(table_info))
{
netsnmp_handler_free(handler_ptr);
netsnmp_handler_registration_free(reg);
return;
}
netsnmp_table_helper_add_indexes(table_info, ASN_INTEGER,
/* index: ovnNGSysContactIndex */0);
table_info->min_column = COLUMN_SYSCONTACTNAME;
table_info->max_column = COLUMN_SYSCONTACTEMAIL;
netsnmp_register_table(reg, table_info);
handler_ptr2 = netsnmp_get_row_merge_handler(reg->rootoid_len + 2);
if(!handler_ptr2)
{
SNMP_FREE(table_info);
netsnmp_handler_registration_free(reg);
return;
}
netsnmp_inject_handler(reg, handler_ptr2);
Thanks
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Regarding Extension of Net-SNMP agent
Hi, Actually after installation of Net-SNMP is didn't get any EXAMPLE.conf file installed in the src directory. I Request to give some assistance on Extending the agent because i am unable to get the CPU Usage by the UCD-SNMP MIB with the OID's. Regards, RaviRaja. M -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/___ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
