Re: Network Sniffer
- From: "Bill Kearney" <wkearney99@xxxxxxxxxxx>
- Date: Thu, 20 Nov 2008 14:12:41 -0500
We have two small branch offices that are connected to the main office with
the same hardware network connection etc... basically everything is the same.
The one branch office is considerably slower than the other. Some devices
in the branch offices are different such as printers. We have been talking
about installing a sniffer but, do not know how to do this or which sniffer
to use. Can anyone give us some tips to get started?
Easiest route? Get a laptop and load wireshark on it. Then put a HUB (not a switch) in-between the slow site's router and switch. Plug the laptop into that hub. Using a hub will let you listen to all traffic on the link. A switch only gives you what's coming to your port (to greatly oversimplify). Then let wireshark (formerly known as ethereal) collect data when the network is seen to be "slow". Prepare to wade through a lot of data. If you know what you're looking at you should be able to filter enough to see the high-bandwidth consumers. The trick being "knowing what you're looking at".
That's but one of many ways to start the bug hunt...
.
- References:
- Network Sniffer
- From: Eric
- Network Sniffer
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