Hi,

Well a packet coming in has to come out somewhere. If the router passes them 
both to the sniffer you'll see it twice (with a different MAC address, of 
course, and maybe a different VLAN tag, and a TTL-1, but still.

Thanx,
Jaap

Albert Jurado wrote:
> Why would it see double?
> 
> Albert Jurado
> Network Manager
> First Commercial Insurance Company 
> 2300 W 84 St.
> Hialeah, FL 33016
> Phone: (305) 820-4848 ex. 1206
> Mobile: (305) 873-4400
> Email:  [EMAIL PROTECTED]
>  
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jaap Keuter
> Sent: Monday, March 10, 2008 1:31 PM
> To: Community support list for Wireshark
> Subject: Re: [Wireshark-users] Terminal Server traffic
> 
> Hi,
> 
> I may be dependant how you configured the monitoring port on the core router. 
> If it captures both ingress and egress packets it start to see double. The 
> details I leave to the network operator buffs ;) .
> 
> Thanx,
> Jaap
> 
> Albert Jurado wrote:
>> As of last week we started to monitor traffic from our internal Terminal 
>> Server to our internal SQL server using wireshark.
>>
>> Our network is segmented in the following way:
>>
>> VLAN for servers
>>
>> Data VLAN for each floor in the building (six in total).
>>
>> We installed wireshark on a separate workstation plugged into our core 
>> router with a monitoring port configured
>>
>> Our first capture revealed over 40% of the traffic as “out-of-order” 
>> packets.  When we performed a capture from the terminal server there was 
>> no such traffic. 
>>
>> I wondering if this type of behavior is normal for terminal server 
>> communication.  I hope someone can shed some light on this matter for 
>> me, it would greatly appreciated.
>>
>> Thanks!
>>
>> *Albert Jurado*
> 

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