snmpwalk() function is used to read all the values from
an SNMP agent specified by the
The SNMP agent.
The read community.
object_id is taken as the root of
the SNMP objects tree and all objects under that tree are returned as
object_id is specified, all the SNMP objects
object_id are returned.
Returns an array of SNMP object values starting from the
object_id as root or FALSE on error.
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