(PHP 4, PHP 5, PHP 7, PHP 8)
snmp3_walk — Fetch all the SNMP objects from an agent
$hostname,$security_name,$security_level,$auth_protocol,$auth_passphrase,$privacy_protocol,$privacy_passphrase,$object_id,$timeout = -1,$retries = -1
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.
hostnameThe hostname of the SNMP agent (server).
security_namethe security name, usually some kind of username
security_levelthe security level (noAuthNoPriv|authNoPriv|authPriv)
auth_protocol
the authentication protocol ("MD5", "SHA",
"SHA256", or "SHA512")
auth_passphrasethe authentication pass phrase
privacy_protocolthe privacy protocol (DES or AES)
privacy_passphrasethe 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.
timeoutThe number of microseconds until the first timeout.
retriesThe 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.
| Version | Description |
|---|---|
| 8.1.0 |
The auth_protocol now accepts "SHA256"
and "SHA512" when supported by libnetsnmp.
|
Example #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', )