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Unicast traffic being broadcast although arp table has ip address

Does anyone have an idea why this is happening. I am doing a packet capture and am seeing a totally different conversation of 2 hosts on the same vlan. I checked the arp table and the ip address  and mac address are in the arp table. I am in a small enviroment so i doubt that the table is overwhelmed.

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Hall of Fame Super Blue

Unicast traffic being broadcast although arp table has ip addres

Have a look at this document first (if you haven't already) and see if it helps -

http://www.cisco.com/en/US/products/hw/switches/ps700/products_tech_note09186a00801d0808.shtml

Jon

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