Allow specific hosts for snmp trap

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09-11-2009

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Allow specific hosts for snmp trap

I want to receive snmp traps only from specifis ip's or host.
I tried to get help from VACM , but it's complicated. Can any one please suggest me simple way to do it

Last edited by nrbhole; 09-11-2009 at 09:04 AM..

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send_trap_vars

NETSNMP_TRAP_API(3)						     Net-SNMP						       NETSNMP_TRAP_API(3)

NAME

       send_easy_trap, send_trap_vars, send_v2trap - send TRAPs or INFORMs from a Net-SNMP MIB module

SYNOPSIS

       #include <net-snmp/agent/agent_trap.h>

       void send_easy_trap(int trap, int specific);

       void send_trap_vars(int trap, int specific, struct variable_list *vars);

       void send_v2trap(struct variable_list *vars);

DESCRIPTION

       These three routines may be used to send traps from a MIB module within the Net-SNMP agent (including an AgentX subagent).

       send_easy_trap()  sends	an SNMPv1 trap (or the SNMPv2 equivalent) to the list of configured trap destinations (or "sinks"), using the pro-
       vided values for the generic trap type, and specific trap value.

       send_trap_vars() is similar, but appends the supplied list of variable bindings to the traps that are sent.

       send_v2trap() uses the supplied list of variable bindings to form an SNMPv2 trap, which is sent to SNMPv2-capable sinks on  the	configured
       list.  An equivalent INFORM is sent to the configuredq list of inform sinks.  Sinks that can only handle SNMPv1 traps are skipped.

       The  various "send_trap()" calls allow you to specify traps in different formats.  And the various "trapsink" directives allow you to spec-
       ify destinations to receive different formats.  But *all* traps are sent to *all* destinations, regardless of how they were specified.
       I.e. it's
						___  trapsink
					       /
	   send_easy_trap ___  [  Trap	    ] ____  trap2sink
			   ___	[ Generator  ]
	   send_v2trap	  /	[	     ] ----- informsink
					       ____
						     trapsess

       *Not*
	    send_easy_trap  ------------------->  trapsink
	    send_v2trap     ------------------->  trap2sink
	    ????	    ------------------->  informsink
	    ????	    ------------------->  trapsess

WARNINGS

       These routines are used to send the traps immediately they are called.  Invoking them at the appropriate time is left  to  the  MIB  module
       programmer.

SEE ALSO

       snmpd.conf(5), snmptrapd(8)

V5.6								    13 Aug 2010 					       NETSNMP_TRAP_API(3)

Infrastructure Monitoring