Você deve usar ipNetToPhysicalTable
conforme definido por RFC 4293 . Portanto, ipNetToMediaPhysAddress
torna-se ipNetToPhysicalPhysAddress
ipNetToMediaTable OBJECT-TYPE SYNTAX SEQUENCE OF IpNetToMediaEntry MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "The IPv4 Address Translation table used for mapping from IPv4 addresses to physical addresses.
This table has been deprecated, as a new IP version-neutral table has been added. It is loosely replaced by the ipNetToPhysicalTable." ::= { ip 22 }