snmp3_walk

    (PHP 4, PHP 5, PHP 7, PHP 8)

    snmp3_walk — Fetch all the SNMP objects from an agent

    说明

    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

    snmp3_walk() function is used to read all the values from an SNMP agent specified by the hostname.

    Even if the security level does not use an auth or priv protocol/password valid values have to be specified.

    参数

    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.

    返回值

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

    更新日志

    版本 说明
    8.1.0 The auth_protocol now accepts "SHA256" and "SHA512" when supported by libnetsnmp.

    示例

    示例 #1 snmp3_walk() Example

    <?php
    $ret     = snmp3_walk('localhost', 'james', 'authPriv', 'SHA', 'secret007', 'AES', 'secret007', 'IF-MIB::ifName');
    var_export($ret);
    ?>

    Above function call would return all the SNMP objects from the SNMP agent running on localhost: 

    array (
  0 => 'STRING: lo',
  1 => 'STRING: eth0',
  2 => 'STRING: eth2',
  3 => 'STRING: sit0',
  4 => 'STRING: sixxs',
)

    参见

    • snmp3_real_walk() - Return all objects including their respective object ID within the specified one

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