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snmp3_walk

Description

The snmp3_walk of SNMP for PHP fetches all the SNMP objects from an agent.

Syntax

snmp3_walk(
    string $hostname,
    string $security_name,
    string $security_level,
    string $auth_protocol,
    string $auth_passphrase,
    string $privacy_protocol,
    string $privacy_passphrase,
    array|string $object_id,
    int $timeout = -1,
    int $retries = -1
): array|false

Parameters

hostname

The hostname of the SNMP agent (server).

security_name

the security name, usually some kind of username

security_level

the security level (noAuthNoPriv|authNoPriv|authPriv)

auth_protocol

the authentication protocol ("MD5", "SHA", "SHA256", or "SHA512")

auth_passphrase

the authentication pass phrase

privacy_protocol

the privacy protocol (DES or AES)

privacy_passphrase

the privacy pass phrase

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.

Return

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

Examples

1 · hostname security_name security_level auth_protocol auth_passphrase privacy_protocol privacy_passphrase object_id

<?

$hostname = "localhost";
$security_name = "myname";
$security_level = "authPriv";
$auth_protocol = "SHA";
$auth_passphrase = "mypassphrase";
$privacy_protocol = "AES";
$privacy_passphrase = "mypassphrase";
$object_id = "IF-MIB::ifName";

$return = snmp3_walk($hostname, $security_name, $security_level, $auth_protocol, $auth_passphrase, $privacy_protocol, $privacy_passphrase, $object_id);

var_dump($return);

2 · timeout
<?

$hostname = "localhost";
$security_name = "myname";
$security_level = "authPriv";
$auth_protocol = "SHA";
$auth_passphrase = "mypassphrase";
$privacy_protocol = "AES";
$privacy_passphrase = "mypassphrase";
$object_id = "IF-MIB::ifName";
$timeout = 1000000;

$return = snmp3_walk($hostname, $security_name, $security_level, $auth_protocol, $auth_passphrase, $privacy_protocol, $privacy_passphrase, $object_id, $timeout);

var_dump($return);

3 · retries
<?

$hostname = "localhost";
$security_name = "myname";
$security_level = "authPriv";
$auth_protocol = "SHA";
$auth_passphrase = "mypassphrase";
$privacy_protocol = "AES";
$privacy_passphrase = "mypassphrase";
$object_id = "IF-MIB::ifName";
$timeout = 1000000;
$retries = 3;

$return = snmp3_walk($hostname, $security_name, $security_level, $auth_protocol, $auth_passphrase, $privacy_protocol, $privacy_passphrase, $object_id, $timeout, $retries);

var_dump($return);