Wireshark Application

Hey guys, Quick question...
I realize Wireshark can be used to monitor packets, but can it also be used to monitor bandwidth between servers? I have 3 Windows boxes and 1 AS/400 box that are supposed to be running at 1 GB. Can Wireshark monitor this bandwidth for me? If not, what would you guys recommend on the cheap (FREE)?
Thanks again for all your help!!!
I realize Wireshark can be used to monitor packets, but can it also be used to monitor bandwidth between servers? I have 3 Windows boxes and 1 AS/400 box that are supposed to be running at 1 GB. Can Wireshark monitor this bandwidth for me? If not, what would you guys recommend on the cheap (FREE)?
Thanks again for all your help!!!

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CCNP:Routing 300-101 15%
OIIIIIIIO
CCNP:Routing 300-101 15%
OIIIIIIIO
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CCNP:Routing 300-101 15%
OIIIIIIIO