Hi Bill Fenner, Issue resolved. I have rebooted the device and started snmpd . socket file /var/agentx/master got created and example code is working.
Thanks, Pushpa.T On Thu, Oct 3, 2024 at 5:09 PM Pushpa Thimmaiah <pushpa.thimma...@gmail.com> wrote: > Hi Bill Fenner, > > Thank you. I enabled Unix transport and added 'agentXSocket > /var/agentx/master' in /etc/snmp/snmpd.conf, and I was able to execute > snmpd. There was no /var/agentx/master created after starting snmpd, and > AgentX was unable to connect to snmpd. > I am following the AgentX tutorial at > http://www.net-snmp.org/tutorial/tutorial-5/toolkit/demon/. Kindly guide. > > *example_daemon log* > > tdomain: Found domain "unix" from specifier "unix" > trace: netsnmp_lookup_default_target(): snmp_service.c, 413: > defaults: netsnmp_lookup_default_target("agentx", "unix") -> > "/var/agentx/master" > trace: netsnmp_tdomain_transport_tspec(): snmp_transport.c, 794: > tdomain: trying domain "unix" address "[NIL]" default address > "/var/agentx/master" > trace: netsnmp_unix_transport(): transports/snmpUnixDomain.c, 322: > netsnmp_unix: open remote Local IPC: /var/agentx/master > trace: netsnmp_unix_transport(): transports/snmpUnixDomain.c, 432: > netsnmp_unix_transport: *couldn't connect to "/var/agentx/master"*, errno > 2 (No such file or directory) > > *Snmpd.log* > trace: read_config(): read_config.c, 843: > 9:read_config:line: /etc/snmp/snmpd.conf:214 examining: agentXSocket > /var/agentx/master > trace: read_config(): read_config.c, 971: > read_config:line: /etc/snmp/snmpd.conf:214 examining: agentXSocket > /var/agentx/master > trace: run_config_handler(): read_config.c, 536: > read_config:parser: Found a parser. Calling it: agentXSocket / > /var/agentx/master > trace: agentx_parse_agentx_socket(): mibgroup/agentx/agentx_config.c, 34: > agentx/config: port spec: /var/agentx/master > trace: netsnmp_ds_set_string(): default_store.c, 285: > *netsnmp_ds_set_string: Setting APP:1 = "/var/agentx/master"* > trace: read_config(): read_config.c, 843: > > > *Details:-* > > Both snmpd , agentx example 'example-daemon' and folder /var/agentx has > same permission > root@SyncServer:/var/log# ls -la /var/agentx > total 8 > drwxr-xr-x 2 root root 4096 Oct 2 11:46 . > drwxr-xr-x 13 root root 4096 Oct 2 11:46 .. > root@SyncServer:/var/log# ls -la /usr/sbin/snmpd > -rwxr-xr-x 1 root root 64488 Oct 2 09:59 /usr/sbin/snmpd > root@SyncServer:/var/log# ls -la /tmp/example-demon > -rwxr-xr-x 1 root root 37664 Oct 2 09:52 /tmp/example-demon > > > *net-snmp-5.9 config summary* > > SNMP Versions Supported: 1 2c 3 > Building for: linux > Net-SNMP Version: 5.9 > Network transport support: Unix Alias UDP UDPIPv6 Callback UDPIPv4Base > UDPBase IPv4Base IPBase SocketBase IPv6Base > SNMPv3 Security Modules: usm > Agent MIB code: clock default_modules gnss host mibII > notification ntpSystem snmpv3mibs system target utilities => snmpv3mibs > mibII notification notification-log-mib target* agentx* disman/event > disman/schedule utilities host host/hrh_storage host/hrh_filesys > host/hrSWInstalledTable host/hrSWRunTable host/hr_system host/hr_device > host/hr_other host/hr_proc host/hr_network host/hr_print host/hr_disk > host/hr_partition mibII/system_mib mibII/sysORTable mibII/snmp_mib > mibII/vacm_vars mibII/setSerialNo mibII/at mibII/ifTable mibII/ip mibII/tcp > mibII/udp mibII/ipv6 mibII/icmp if-mib ip-mib ip-forward-mib tcp-mib > udp-mib notification/snmpNotifyTable > snmp-notification-mib/snmpNotifyFilterTable > notification/snmpNotifyFilterProfileTable ntpSystem/ntpSystem > snmpv3/snmpEngine snmpv3/snmpMPDStats snmpv3/usmStats snmpv3/usmConf > snmpv3/usmUser system/system target/snmpTargetAddrEntry > target/snmpTargetParamsEntry target/target target/target_counters > utilities/override utilities/execute utilities/iquery > MYSQL Trap Logging: unavailable > Embedded Perl support: disabled > SNMP Perl modules: disabled > SNMP Python modules: disabled > Crypto support from: crypto > Authentication support: MD5 SHA1 SHA224 SHA256 SHA384 SHA512 > Encryption support: DES AES AES128 AES192 AES192C AES256 AES256C > Local DNSSEC validation: disabled > > Thanks, > Pushpa.T > > On Fri, Sep 27, 2024 at 12:14 AM Bill Fenner <fen...@gmail.com> wrote: > >> Hi Pushpa, >> >> You are not enabling UNIX domain support, so net-snmp can't open the UNIX >> domain socket for agentx. You can either use the TCP socket by configuring >> with something like >> >> agentXSocket tcp:127.0.0.1:705 >> >> and then configuring clients similarly, e.g., "snmptrap -X tcp:705" >> >> Or adding the UNIX domain transport, e.g., add "Unix" to your >> "--with-transports" configure argument. >> >> Bill >> >> >> On Thu, Sep 26, 2024 at 9:20 AM Pushpa Thimmaiah < >> pushpa.thimma...@gmail.com> wrote: >> >>> Hi All, >>> >>> I am getting following error while starting snmpd in net-snmp-5.9. I >>> have enabled agentx and compiled the source. Kindly guide me to resolve >>> the same. >>> I have created directory /var/agentx >>> --------------- >>> >>> agentx/master: initializing... >>> trace: netsnmp_tdomain_transport_tspec(): snmp_transport.c, 655: >>> tdomain: tdomain_transport_spec("agentx", "/var/agentx/master", 1, >>> "[NIL]", "[NIL]", "[NIL]") >>> trace: netsnmp_tdomain_transport_tspec(): snmp_transport.c, 736: >>> tdomain: Address starts with '/', so assume "unix" domain >>> trace: find_tdomain(): snmp_transport.c, 610: >>> tdomain: Found no domain from specifier "unix" >>> No support for any checked transport domain >>> Error: Couldn't open a master agentx socket to listen on >>> (/var/agentx/master): >>> --------------------------------------------------- >>> >>> >>> Thanks, >>> Pushpa.T >>> _______________________________________________ >>> Net-snmp-coders mailing list >>> Net-snmp-coders@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/net-snmp-coders >>> >>
_______________________________________________ Net-snmp-coders mailing list Net-snmp-coders@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/net-snmp-coders
