Re: v1 trap + agent address

2008/6/18 mahesh anasuri <[email protected]>:
> While generating V1 traps. If  Agent runs on a box which has multiple
> interfaces (ie. IP addresses). How to select active interface IP address
> value in Trap (Agent Address) ?

>From agent/agent_trap.c:netsnmp_send_traps():

    /*
     * Ensure that the v1 trap PDU includes the local IP address
     */
       pdu_in_addr_t = (in_addr_t *) template_v1pdu->agent_addr;
      *pdu_in_addr_t = get_myaddr();


The routine 'get_myaddr()' is defined in snmplib/system.c
It's not the easiest code to follow, but it appears to look through the
available interfaces, and return the first IP address that it finds.

There are a couple of entries in the Patches tracker (#1916840 &
#1926542) which might be of interest to you, as they would allow
you to specify the agent address to use.

Dave

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