This object is a count of the total number of octets
contained in invalid frames that have been received
on all ports in this repeater. This counter is the
summation of the values of icfVgPortUnreadableOctets
counter for all of the ports in this repeater.
This counter is a 64 bit version of
hpVgMonGlbUnreadableOctets. It should be used by
Network Management protocols which support 64 bit
counters (e.g. SNMPv2).