Thanks for the response Adam. Not sure exactly which output you need, but heres two samples from the snmpbulkwalk command ouput:
(as you can see many ports are not connected, thus have 64 as data in)
ifInOctets.1 = 64076673 ifInOctets.2 = 2705641375 ifInOctets.3 = 64 ifInOctets.4 = 64 ifInOctets.5 = 64 ifInOctets.6 = 64 ifInOctets.7 = 64 ifInOctets.8 = 64 ifInOctets.9 = 64 ifInOctets.10 = 64 ifInOctets.11 = 64 ifInOctets.12 = 64 ifInOctets.13 = 64 ifInOctets.14 = 64 ifInOctets.15 = 64 ifInOctets.16 = 64 ifInOctets.17 = 64 ifInOctets.18 = 64 ifInOctets.19 = 64 ifInOctets.20 = 64 ifInOctets.21 = 249030693 ifInOctets.22 = 64 ifInOctets.23 = 4007443734 ifInOctets.24 = 1016722 ifInOctets.25 = 126545219 ifInOctets.26 = 0
<-SNIP->
[21] => Array ( [ifIndex] => 21 [ifDescr] => FastEthernet0/20 [ifType] => ethernetCsmacd [ifMtu] => 1500 [ifSpeed] => 100000000 [ifPhysAddress] => <-SNIP-> [ifAdminStatus] => up [ifOperStatus] => up [ifLastChange] => <-SNIP-> [ifInOctets] => 249039877 [ifInUcastPkts] => 757096 [ifInNUcastPkts] => 644 [ifInDiscards] => 2 [ifInErrors] => 0 [ifInUnknownProtos] => 0 [ifOutOctets] => 133402921 [ifOutUcastPkts] => 411551 [ifOutNUcastPkts] => 921159 [ifOutDiscards] => 0 [ifOutErrors] => 0 [ifOutQLen] => 0 [ifSpecific] => zeroDotZero [ifName] => Fa0/20 [ifHCInOctets] => 0 [ifHCInUcastPkts] => 0 [ifHCOutOctets] => 0 [ifHCOutUcastPkts] => 0 [ifLinkUpDownTrapEnable] => enabled [ifHighSpeed] => 100 [ifPromiscuousMode] => false [ifConnectorPresent] => true [ifAlias] => [vmVlan] => 1 )
<-SNIP->