a8742d87_ware_Releases_12_2_SY____Cisco__MIB_Object
Gets the number of external nonrecursive bytes forwarded by the prefix [MIB Object] 
cefPrefixExternalNRBytes
IP Switching Cisco Express Forwarding Configuration Guide, Cisco IOS Release 12.2SY - SNMP CEF-MIB Support [Cisco IOS Software Releases 12.2 SY] - Cisco