Re: Observing duplicate frame captures in TCPDU MP

[Andrea Montefusco <andrea.montefusco () kyneste com>]

Kraus, Jeffery wrote:
> 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*


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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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