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snmpd (1)
  • >> snmpd (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • snmpd (1) ( Разные man: Команды и прикладные программы пользовательского уровня )
  • snmpd (8) ( Разные man: Команды системного администрирования )
  •  

    NAME

    snmpd - daemon to respond to SNMP request packets
     
    

    SYNOPSIS

    /usr/sfw/sbin/snmpd [options] [listening addresses]  

    DESCRIPTION

    The snmpd daemon is an SNMP agent that binds to a port and awaits requests from SNMP management software. Upon receiving a request, it processes the request(s), collects the requested information, performs any requested operation(s), and, finally, returns information to the requester.  

    OPTIONS

    The following options are supported:

    -a

    Log the source addresses of incoming requests.

    -A

    Append to the log file rather than truncating it.

    -c file

    Read file as a configuration file.

    -C

    Do not read any configuration files except the one optionally specified by the -c option.

    Note that this behavior also covers the persistent configuration files. This can result in dynamically-assigned values being reset following an agent restart, unless the relevant persistent configuration files are explicitly loaded using the -c option.

    -d

    Dump (in hexadecimal) the sent and received SNMP packets.

    -D[token[,...]]

    Turn on debugging output for the given token(s). Without any tokens specified, this option defaults to printing all of the tokens (which is equivalent to the keyword ALL). Use ALL for extremely verbose output. Note that you must not put a space between the -D flag and the listed tokens.

    -f

    Do not fork() from the calling shell.

    -g GID

    Change to the numerical group ID GID after opening listening sockets.

    -h, --help

    Display a brief usage message and then exit.

    -H

    Display a list of configuration file directives understood by the agent and then exit.

    -I -initlist

    This option specifies which modules you do (or do not) want to be initialized when the agent starts up. If the comma-separated initlist is preceded with an hyphen (-), it is the list of modules that you do not want to be started. Otherwise, initlist is the list of modules to be started.

    To obtain a list of compiled modules, run the agent with the arguments -Dmib_init -H This command assumes you have debugging support compiled in.

    -l [file]

    Log all output from the agent (including stdout and stderr) to file. If no filename is given, log to a default file set at compile time, normally /var/log/snmpd.log.

    -L

    Do not open a log file. Send all messages to stderr instead.

    -P file

    Save the process ID of the daemon in file.

    -q

    Print simpler output for easier automated parsing.

    -r

    Do not require root access to run the daemon. Specifically, do not exit if files accessible only to root (such as /dev/kmem) cannot be opened.

    -s

    Use syslog for logging. See syslogd(1M)

    -S d[0-7]

    Specifies the syslog facility to use when logging to syslog. d means LOG_DAEMON and the integers 0 through 7 refer to LOG_LOCAL0 through LOG_LOCAL7. LOG_DAEMON is the default.

    -u UID

    Change to the user ID UID (which can be given in numerical or text form) after opening listening sockets.

    -v --version

    Display version information for the agent and then exit.

    -V

    Symbolically dump SNMP transactions.

    -x address

    Listens for AgentX connections on address rather than on the default /var/agentx/master. The address can either be a Unix domain socket path or the address of a network interface. The format is the same as the format of listening addresses described below. Note that it is a possible security risk to expose the master agent listening address through TCP/UDP. See section 9 of RFC 2741 for more details.

    -X

    Run as an AgentX subagent rather than as an SNMP master agent.

     

    Listening Addresses

    By default, snmpd listens for incoming SNMP requests only on UDP port 161. However, it is possible to modify this behavior by specifying one or more listening addresses as arguments to the daemon. A listening address takes the form:

    [<transport-specifier>:]<transport-address>
    

    At its simplest, a listening address can consist of only a port number, in which case snmpd listens on that UDP port on all IPv4 interfaces. Otherwise, the <transport-address> part of the specification is parsed according to the following table:

    <transport-specifier> <transport-address> format
    udp hostname[:port] or IPv4-address[:port]
    tcp hostname[:port] or IPv4-address[:port]
    unixpathname

    Currently transports TCP/UDP over IPv4/IPv6 and unix domain sockets. Note that <transport-specifier> strings are case-insensitive so that, for example, tcp and TCP are equivalent. Below are some examples, with accompanying explanations.

    127.0.0.1:161

    Listen on UDP port 161, but only on the loopback interface. This prevents snmpd from being queried remotely. The :161 is redundant because that is the default SNMP port.

    TCP:1161

    Listen on TCP port 1161 on all IPv4 interfaces.

    unix:/tmp/local-agent

    Listen on the Unix domain socket /tmp/local-agent.

    /tmp/local-agent

    Identical to the previous specification, because the Unix domain is the default transport if and only if the first character of <transport-address> is a slash (/).

    udp6:10161

    Listen on port 10161 on all IPv6 interfaces.

    Note that not all the transport domains listed above will always be available. For example, hosts with no IPv6 support will not be able to use udp6 transport addresses, and attempts to do so will result in the error "Error opening specified endpoint".  

    FILES

    snmpd checks for the existence of and parses the following files:

    snmp.conf

    Common configuration for the agent and applications. See snmp.conf(4) for details.

    snmpd.local.conf

    Agent-specific configuration. See snmp.conf(4) for details. These files are optional and can be used to configure access control, trap generation, subagent protocols, and other features.

    In addition to these two configuration files, the agent will read any files with the names snmpd.conf and snmpd.local.conf in a colon-separated path specified in the SNMPCONFPATH environment variable, the default location upon agent startup are /etc/sma/snmp and /usr/local/share/snmp.

    /etc/sma/snmp/mibs

    The agent loads all files in this directory as MIBs. It does not, however, load any file that begins with a dot (.) or descend into subdirectories.

     

    EXIT STATUS

    0

    Successful completion.

    1

    A usage syntax error. A usage message is displayed. Also used for timeout errors.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE
    AvailabilitySUNWsmagt
    Interface StabilityStable

     

    SEE ALSO

    svcadm(1M), svccfg(1M), snmp.conf(4), attributes(5), smf(5)  

    NOTES

    In addition to basic privileges, to run successfully, the agent requires PRIV_NET_PRIVADDR. See privileges(5).

    The snmpd service is managed by the service management facility, smf(5), under the service identifiers:

    svc:/application/management/sma
    svc:/application/management/seaport
    

    Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service's status can be queried using the svcs(1) command.

    The service uses the solaris.smf.manage.sma privilege. If /etc/sma/snmp/snmpd.conf contains DISABLE=YES, then the service does not start and displays the message:

    snmpd disabled by config file /etc/sma/snmp/snmpd.conf
    


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    Listening Addresses
    FILES
    EXIT STATUS
    ATTRIBUTES
    SEE ALSO
    NOTES


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