Wireshark-users: Re: [Wireshark-users] Capturing network traffic using wireshark remotely
Remote capture is a really cool, recent feature, but
probably not applicable here. It would allow you to run rpcapd on Machine1
(or 2), and then run Wireshark on Machine3 - using Machine1's interfaces as the
capture points. If you don't already have Winpcap installed on
Machine1, you would need to do that. Then you would need to start
rpcapd. Based on your statement that you don't want to change/install
anything, this is probably not the way to go.
The only way to do this non-intrusively (AFAIK) is to
span (mirror) the port on the switch. You could also install a network tap
at one of the devices (Machine1 or 2), but this would require a momentary
network interruption.
Folks,
Need some advice/help here.
We have a scenario:
3 Windows machines all connected to the same Cisco Switch.
Machine1 and Machine2 are exchanging some data that need to be captured.
Ideally, I could install wireshark on either Machine1 or Machine2 and capture
all the traffic being exchanged between the two. But since these are
production machines, we don't want to change/install anything on these 2
machines. Is there a way I can install wireshark on Machine3 and capture the
traffic between Machine1 and Machine2? I know I can do port mirroring on the
Cisco switch and capture it from Machine3. But, question is can I get the
capture without doing port mirroring? I see that the capture Options dialog
box in wireshark has an option for Local Vs. Remote interface? What is it used
for? Has anyone used this before?
Thanks for your help.
Sean.
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