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C-1

Appendix C

Configuring IP Accounting on

a Frame Relay Interface

IP accounting is a mechanism for counting transit data packets -- that is, packets

that IP receives on one interface and forwards out another interface. This

mechanism allows a network service provider to bill a network user according to

the amount of data that it routes between two locations.

Bay Networks currently provides IP accounting support for frame relay networks.

IP accounting counts all data packets that the router receives on any IP interface

and forwards out an IP/frame relay interface.

IP accounting keeps track of transit data packets by making an entry for each

packet in an IP accounting table. Each entry includes the following fields: the

source address of the packet, the destination address of the packet, the number of

packets forwarded, and the number of bytes forwarded.

The following sections describe how to configure IP accounting on a frame relay

interface:

Caution:

If the frame relay interface becomes overrun and the driver drops

packets, these packets will still be counted by IP accounting.

Topic Page

Enabling IP Accounting on the Router C-2

Specifying the Maximum Size of the IP Accounting Table C-2

Controlling Notification of a Full IP Accounting Table C-3

Copying the IP Accounting Table to the Checkpoint Table C-3

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Avaya Configuring IP Utilities Manual do Utilizador Página 215