Understanding Netflow Statistics - Cisco WS-X6066-SLB-APC - Content Switching Module Software Manual

Chapter 13 Configuring CEF for PFC2
Figure 13-2 IPX CEF Example Topology
MAC = Aa
Host A
Data

Understanding NetFlow Statistics

These sections describe NetFlow statistics:
•
•
•
NetFlow Statistics Overview
CEF for PFC2 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 32K entries increases the probability that there will be insufficient
Note
room to store statistics. To reduce the number of entries in the NetFlow table, you can exclude
specified IP protocols from the statistics (see the
Table" section on page
78-13315-02
Source IPX Destination
Address IPX Address
01.Aa 03.Bb
01.Aa 02.Cc
02.Cc 01.Aa
Net 1/Sales
01
01.Aa:02.Cc Aa:Dd
NetFlow Statistics Overview, page 13-9
NetFlow Table Entry Aging, page 13-10
Flow Masks, page 13-10
13-25).
Rewrite Src/Dst Destination
MAC Address VLAN
Dd:Bb Marketing
Dd:Cc Engineering
Dd:Aa Sales
MAC = Dd
MSFC
Data
"Excluding IP Protocol Entries from the NetFlow
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
Understanding How Layer 3 Switching Works
MAC = Bb
Host B
MAC = Cc
Host C
01.Aa:02.Cc Dd:Cc
13-9