Understanding The Netflow Statistics - Cisco WS-C6506 Software Manual

Catalyst 6500 series switch

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Configuring CEF for PFC2 and PFC3A

Understanding the NetFlow Statistics

With Supervisor Engine 720 (MSFC3), IPX routing is done through the software.

These sections describe NetFlow statistics:

NetFlow Statistics Overview

CEF for PFC2/PFC3A generates flow statistics for Layer 3-switched traffic, which are stored in the

NetFlow table. NetFlow statistics can be displayed with show commands and are also available to

NetFlow Data Export (NDE).

A NetFlow table with more than 32,000 entries increases the probability that there will be insufficient

room to store statistics. To reduce the number of entries in the NetFlow table, you can exclude specified

IP protocols from the statistics or use the least granular flow mask (see the

Entries from the NetFlow Table" section on page

IPX CEF Example Topology

NetFlow Statistics Overview, page 13-11

NetFlow Table Entry Aging, page 13-12

Flow Masks, page 13-12

Rewrite Src/Dst

Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7

Understanding How Layer 3 Switching Works

"Excluding the IP Protocol

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