Cisco Cisco IOS Software Release 12.4(4)T Données agrégées

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Product Bulletin 
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Benefits 
● 
Enable smooth migration from traditional NetFlow to Flexible NetFlow.  
Hardware
  
Routers 
●  Cisco 800, 1800, 2800, 3800, 7200, and 7300 Series Routers 
 
Additional Information:
 
● 
 
● 
 
 
Product Management Contact: 
Jean-Charles Griviaud, 
 
3.2.3) Flexible NetFlow—TopTalkers CLI Support 
Understanding who is using the network and for how long, what protocols and applications are 
being utilized and where the network data is flowing is a necessity for today’s IP network 
managers. NetFlow data can be used for a variety of purposes, including network management and 
planning, user and security monitoring, protocol and application monitoring, Enterprise accounting, 
and departmental charge backs, Internet Service Provider (ISP) billing, data warehousing, and data 
mining for marketing purposes.  
Flexible NetFlow CLI is used extensively for troubleshooting and understanding network behavior. 
Flexible NetFlow CLI has been enhanced to provide advanced search capabilities. The new CLI 
provides a generic set of tools to display any kind of Flow Monitor (IPv4, IPv6, Layer2, etc.) in a 
more efficient way. Flexible NetFlow CLI allows filtering, aggregating and sorting the content of a 
Flow Monitor: 
● 
Flow Filtering
: The user will be able to filter on any field available in the Flow Record used 
by the Flow Monitor being examined. The filtering can be an exact match or a match on a 
range or a regular expression. 
● 
Flow Aggregation
: The user will be able to display the Flows that are formed by 
aggregating any subset of the key fields available in the Flow Record used by the Flow 
Monitor being examined. 
● 
Flow Sorting
: the user will be able to control the sorting of Flows using the fields that are 
available in the FNF Cache to be shown. This could be the primary or secondary (post 
aggregation step) cache. 
 
Benefits 
● 
Security
: Able to view the list of top talkers to see if traffic patterns consistent with a Denial 
of Service (DoS) attack are present in the network.  
● 
Load balancing
: Able to identify the most heavily used parts of the system and move 
network traffic over to less-used parts of the system 
● 
Traffic analysis
: Consulting the data retrieved Top talker CLI 
● 
Talkers feature can assist in general traffic study and planning for the network.  
 
Hardware
  
Routers 
●  Cisco 800, 1800, 2800, 3800, 7200, and 7300 Series Routers