Open Source VoIP Traffic Monitoring - Luca Deri - Ntop
Open Source VoIP Traffic Monitoring - Luca Deri - Ntop
Open Source VoIP Traffic Monitoring - Luca Deri - Ntop
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ntop.org<br />
3Com OSM Router/Switch<br />
There are three Gigabit interfaces and two USB interfaces on the OSM.<br />
Two of the Gigabit interfaces belong to the OSM and the other one<br />
• Ability to specify up to 1024 ASIC-based<br />
complex filters (L2 and port range support).<br />
• Ability to mirror (passive) and redirect (passive+active) traffic.<br />
• Use of dynamic bloom filtering on top of ASIC traffic filtering.<br />
• OSM traffic analysis via nProbe.<br />
protocol between the router and the OSM.<br />
belongs to the router. The router will recognize this interface as another<br />
gigabit interface installed on the router.<br />
Figure 4 Router and OSM System Interaction<br />
Console<br />
Gigabit (eth0)<br />
Router CPU<br />
PCI Bus<br />
Memory<br />
Flash<br />
Serial Port<br />
Gigabit Serial Port<br />
Fiber<br />
10/100/1000<br />
(eth1)<br />
OSM CPU<br />
USB<br />
Memory<br />
Hard Disk<br />
Flash<br />
3Com Router <strong>Open</strong> Services Module
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