Traffic Statistics Data Collection - Cisco WS-C6506 Software Manual

Understanding How NDE Works
NDE version 7 and NDE version 8 are not supported for the MSFC.
Note
Note For information on configuring CEF for PFC2 and PFC3A, see
and PFC3A."
Integrated Layer 3-switching management includes the products, management utilities, and partner
applications that are designed to gather the flow statistics, export the statistics, collect and perform data
reduction on the exported statistics, and forward them to the applications for traffic monitoring,
planning, and accounting. The flow collectors, such as the Cisco SwitchProbe and NetFlow
FlowCollector, gather and classify the flows. This flow information is then aggregated and fed to
applications such as TrafficDirector, NetSys, or NetFlow Analyzer.

Traffic Statistics Data Collection

An external data collector gathers the flow entries from the statistics cache of one or more switches or
Cisco routers. The switch or router transmits the data to the flow collector by grouping the flow entries
for the expired flows from its statistics cache into a User Datagram Protocol (UDP) datagram, which
consists of a header and a series of flow entries. See
Figure 16-1
Routers
Switches
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
16-2
For information on configuring MLS, see
Integrated Layer 3 Switching Management
Flow switching
and data export collection
Chapter 14, "Configuring MLS."
Figure
RMON
Probe
Flow Flow
consolidation
Chapter 16
Chapter 13, "Configuring CEF for PFC2
16-1.
Network
planning
Accounting/Billing
Flow profiling
Network monitoring
Flow consumers
Configuring NDE
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