Hopefully this is a simple question that’s been addressed before.

 

Ntop isn’t showing all hosts or not reporting them correctly.

 

Here is how I have things physically setup:

SwitchA connects to SwitchB’s port 24.  I have mirrored all traffic on SwitchB’s port 24 to SwitchB’s port 12.  the ntop machine is connected to port 12.

 

 

Internet -> Firewall -> SwitchA -> 5 workstations

                                    |

                                SwitchB -> 20 workstations

                                    |        -> ntop machine

                                SwitchC -> 10 workstations

                                         

 

It is showing all internal traffic and hosts correctly, but if I browse to ntop.org on any of the workstations it doesn’t show up.  It looks like it shows up as a connection to the ntop machine.

If I browse to ntop.org from the ntop machine, it immediately shows up.

 

Any help is much appreciated!

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