PHP: snmpwalk function - Fetch all the SNMP objects from an agent

array snmpwalk ( string $hostname , string $community , string $object_id [, int $timeout [, int $retries ]] )

snmpwalk() function is used to read all the values from an SNMP agent specified by the hostname .

hostname

The SNMP agent.

community

The read community.

object_id

If NULL, object_id is taken as the root of the SNMP objects tree and all objects under that tree are returned as an array.

If object_id is specified, all the SNMP objects below that object_id are returned.

timeout

retries

Returns an array of SNMP object values starting from the object_id as root or FALSE on error.

Example #1 snmpwalk() Example


<?php
$a = snmpwalk("127.0.0.1", "public", ""); 

foreach ($a as $val) {
    echo "$val\n";
}

?>

Above function call would return all the SNMP objects from the SNMP agent running on localhost. One can step through the values with a loop

snmpwalk