Yeah, what he said, but also move the ntop host to the backbone.

-----Burton


> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of
> Joseph Brunner
> Sent: Wednesday, May 05, 2004 1:54 PM
> To: '[EMAIL PROTECTED]'; [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: RE: [Ntop] ntop Support for WAN
>
>
> You need a hub. Or a switch than can do VLAN span back to a single port
> (think catalyst 2950, 3550, 6500, etc).
>
> I don't think your using cisco switches. Replace the switch with a 100Mbps
> hub.
>
>
> Joseph Brunner
> ASN 21572
> MortgageIT MITLending
> (212) 651-7695 Voice
> (917) 692-5879 Cell
>
> -----Original Message-----
> From: Terry Keith-p56554 [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, May 05, 2004 2:43 PM
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: [Ntop] ntop Support for WAN
>
>
> I am having an issue obtaining network statistics in a WAN using ntop.  I
> have obtained and installed the ntop-3.0-Win32-demo.exe executable.  I am
> able to connect to the ntop application via the web interface however I
> don't obtain any network statistics.  I keep seeing a "No entries
> to display
> (yet)" on the various webpages.  The Hosts tab does not display any of the
> hosts on my WAN including the laptop that I installed ntop on.  This seems
> odd to me.  The network load page does provide a graph of
> activity however.
>
> My network configuration is as follows:
>
> I have a WAN consisting of 3 routers (EtherFast� Cable/DSL Router with
> 4-Port Switch) tied into a switch.
>
> /--------\
> | Switch |
> \--------/
>   | | |
>
>   | | |  /--------\  /-----\
>   | | +--| Router |--| LAN |
>   | |    \--------/  \-----/
>   | |
>   | |    /--------\  /-----\
>   | +----| Router |--| LAN |
>   |      \--------/  \-----/
>   |
>   |      /--------\
>   +------| Router |
>          \--------/
>            | | |
>
>            | | |    /----\
>            | | +----| PC |
>            | |      \----/
>            | |
>            | |      /----\
>            | +------| PC |
>            |        \----/
>            |
>            |        /-----------\
>            +--------| PC w/ntop |
>                     \-----------/
>
> The IP and host name of each machine on the WAN has been put into
> the hosts
> table of PCs (since I have no DNS server).  I have connectivity (can ping)
> each node in the network either by name or by IP.
>
> Do you have any idea why ntop does not see packets from the other
> machines?
> Why don't the any hosts populate in the hosts table?  I am very excited to
> use this tool.  It seems to be a very powerful tool once I get the
> configuration down.  Any help you can provide would be greatly
> appreciated.
>
> Thanks in advance,
> Keith
>
>

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