snmpwalk

(PHP 4, PHP 5, PHP 7)

snmpwalk — Fetch all the SNMP objects from an agent

snmpwalk ( string $hostname , string $community , string $object_id [, int $timeout = 1000000 [, int $retries = 5 ]] ) : array

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

hostname

The SNMP agent (server).

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

The number of microseconds until the first timeout.

retries

The number of times to retry if timeouts occur.

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