In this scenario it is not 802.11. I have my Redhat 9 Box running TCPDUMP connected to a Cisco Catalyst 6509 using 10/100 CAT5e Ethernet on a port Spanning 2 VLANs. The Multiples frames are identical (every byte, MAC, IP, etc...) Although the timestamps are slightly different (off by less than a millisecond or so).
It definitely seems to be an issue with the Cisco Span Port....I have connected a PC running Sniffer Pro and IRIS Sniffers, and are seeing the same thing. I will investigate this further with Cisco. Thank you all for your help.
Which version of CatOS are you using ? I can see the same behaviour on my 650x with 5.4 version.
*am*
--------------------------------------------------------- Andrea Montefusco Network Manager Kyneste S.p.A. Roma Via Mario Bianchini, 68 Milano Via della Posta, 3 tel: +3906874021 mob: +393356992791 fax: +390687402300 ---------------------------------------------------------
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