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8
Configuring Destination-Sensitive
Accounting
This chapter covers the following topics:
• Overview of Destination-Sensitive Accounting on page 8-1
• Basic Accounting Configuration Information on page 8-2
• Configuring Access Profiles on page 8-3
• Configuring Route Maps on page 8-9
• Retrieving Accounting Statistics on page 8-18
Overview of Destination-Sensitive Accounting
Destination-sensitive accounting collects statistics that are maintained for forwarded IP
traffic to support billing on a destination basis. To configure destination-sensitive
accounting, a bin number can be assigned to one or more IP route entries using the
ExtremeWare
command.
route-map
Bin numbers are integers that range from 0-7 and their only intrinsic meaning is to
identify a particular set of accounting statistics. Each bin contains a 64-bit count of the
number of packets that have been forwarded and a 64-bit count of the number of bytes
that have been forwarded. When the MPLS module forwards an IP packet, the bin
number from the forwarding database entry for the IP destination is used to identify the
set of counters to be updated.
Eight unique bins are maintained for each of the possible 4096 VLAN IDs. Logically, the
bins are organized as a two-dimensional array, with the row index being a VLAN ID
MPLS Module Installation and User Guide
8-1
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