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net flow export distributed to all trunk interfaces

As soon as we enable "net flow-export destination 10.1.1.1 2055" on a C6509/Sup720 the traffic seems to be sent out on all of our trunk interfaces. 10.1.1.0/24 is our management network which is trunked out on all trunk interfaces. The Netflow server (10.1.1.1) seems to be collecting the data correctly so why I'm I seeing unicast packets from our 6509 on all trunk interfaces? I was expecting to see Netflow traffic only on the trunk interface where the actual Netflow server is placed.

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Re: net flow export distributed to all trunk interfaces

not sure of the issue, check out the following link on configuring netflow, see if it helps :

http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_configuration_guide_chapter09186a00800ca6cc.html

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