trap_recv(1M)                   TCP/IP 5.4.2                   trap_recv(1M)


NAME
       traprecv - receive SNMP trap messages

SYNOPSIS
       traprecv [ -d ] [ port ]

   where:
       port is an optional UDP port number

DESCRIPTION
       Use the traprecv command to receive Trap-PDUs from SNMP agents.  The
       command listens on UDP port number port for incoming traps and prints
       information about them as they are received.  If you do not specify a
       port, traprecv will determine the port number using
       getservbyname(3N) for "snmp-trap".  Superuser access is required for
       any port number less than 1024, including the default port of 162.
       Use the -d option to print additional information about the packets
       as they are received.

EXAMPLE
       In the following example, traprecv is used to demonstrate the
       trap generated by trapsend.
       $ traprecv &
       $ trapsend localhost public coldStart
       Packet Dump:
       30 32 02 01 00 04 06 70 75 62 6c 69 63 a4 25 06
       09 2b 06 01 03 01 2a 2a 2a 2a 40 04 80 de 08 1e
       02 01 00 02 01 00 43 01 00 30 09 30 07 06 03 29
       01 01 05 00
       Community: public
       Enterprise: DataGeneral
       Agent-addr: 127.0.0.1
       Cold start trap.
       Time Ticks: 0
       Name: iso.1.1.1
       Value: NULL

DIAGNOSTICS
       Exit status of -1 is returned if there are command line errors or the
       user does not have access to bind to the UDP port.

SEE ALSO
       getmany(1M), getnext(1M), setany(1M), snmpd(1M), trapsend(1M),
       getservbyname(3N), snmpd.communities(4M), snmpd.config(4M),
       snmpd.trapcommunities(4M).












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