6500 switch acting as a hub

Unanswered Question
Jan 7th, 2009
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We have 6500 switch running IOS s72033-adventerprisek9_wan-mz.122-18.SXF3.bin

Many servers are connected to this switch. When i use wireshark to sniff traffic on our

windows DFS server connected to this switch, i see traffic for entire VLAN on wireshark. I

am not suppose to see traffic between other hosts/server since this server port is not

configured as a span port. It seems like 6500 switch is acting as a hub . There is no span

session configured on this switch. Our system admins have been complaining about

performance issue on their servers. I used wireshark on different servers on that switch

and i see same result. All the servers connected to this switch is seeing traffic for

entire vlan regardless of ports. I even connected my laptop to this switch and i can see

traffic for entire vlan.


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