Bridge testing

[awais099]

m using a bridge for encrypting my ethernet link. now i want to send traffic from one system to the other with 2 bridges between them one for encrypting, other for decrypting and want to check how much over head they are creating as in decrease in transfer speed (if any). how can i check that?
please refer to any 'free' software.

also
my LAN cards are 1Gbs in both PC's and both Bridges, would that be ok or should i use a better card in my PC's. and any other thing (e.g. LAN cable) that can create a bottle neck in my case that i need to know?

i appreciate ur help.

[victor2008]

The versatility of our systems allows them to be customized for each application. We offer a range of data loggers, from the most basic system with just a few channels to expandable systems that measure hundreds of channels. Scan rates can be programmed from a few hours to 100,000 times per second, depending on the data logger model. Measurement types, recording intervals, and processing algorithms, are also programmable. Data loggers not only provide advanced measurement capabilities, but can also control external devices.
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