Starts the dpid2 DPI-SMUX converter daemon as a background process.
dpid2 [ -d [ Level ] ]
The dpid2 command starts the dpid2 DPI-SMUX converter daemon. This command may only be issued by a user with root privileges or by a member of the system group.
The dpid2 DPI-SMUX converter daemon complies with the standard Simple Network Management Protocol Distributed Protocol Interface Version 2.0 defined by RFC 1592 and SNMP MUX Protocol and MIB defined by RFC 1227.
dpid2 acts as a DPI 2.0 to SMUX converter. It is used to allow DPI sub-agents, such as /usr/sbin/hostmibd, to talk with the AIX SNMP version 1 agent. The converter changes DPI2 messages into SMUX protocol messages and vice-versa. dpid2 itself is implemented as SMUX peer. It will connect with the TCP port 199 of the SMUX server which is part of snmpd agent. To a DPI2 sub-agent (e.g. /usr/sbin/hostmibd), dpid2 behaves as a DPI2 agent. It listens on an arbitrary TCP port for a connection request from a DPI2 sub-agent. This is port number is registered by dpid2 daemon with the snmpd agent through MIB variable dpiPortForTCP (1.3.6.1.4.1.2.2.1.1.1). The DPI2 sub-agent learns this port number from the snmpd agent by sending a get-request query for the dpiPortForTCP.0 (1.3.6.1.4.1.2.2.1.1.1.0) instance to the snmpd agent. After the DPI2 sub-agent knows the TCP port number which the DPI2 agent is listening on, it will then try to connect to it.
The dpid2 daemon is normally executed during system startup when the /etc/rc.tcpip shell script is called.
The dpid2 daemon should be controlled using the System Resource Controller (SRC). Entering dpid2 at the command line is not recommended.
Use the following SRC commands to manipulate the dpid2 daemon:
startsrc -s dpid2 -a "-f /tmp/dpid2.log"This command starts the dpid2 daemon and logs information to the /tmp/dpid2.log file at debug level 0.
stopsrc -s dpid2This command stops the dpid2 daemon. The -s flag specified the subsystem that follows to be stopped.
lssrc -s dpid2This command returns the name of the daemon, the process ID of the daemon, and the state of the daemon (active or inactive).
/etc/snmpd.conf | Specify smux peer entry in snmpd v1 agent configuration file. |
/etc/snmpd.peers | Specify the configuration for smux peer. |
/etc/mib.defs | Defines the Management Information Base (MIB) variables the SNMP agent and manager should recognize and handle. |
The snmpdv1 daemon, hostmibd command.
The /etc/snmpd.peers file.