Hello,

I am having a problem with capturing all IP data on an interface,
running RedHat 7.3 and the current Ntop.

My IP for example is xxx.xxx.xxx.138 with a subnet mask of
255.255.255.240.  When I put the subnet mask as 255.255.255.0 I am able to 
capture all traffic (even for IPs not on this network). But I need the 
correct subnet mask for routing. So I put the interface in promiscous mode 
with :  ifconfig eth3 promisc

Now I am only seeing traffic for IPs within the block masked off. If I use 
tcpdump I am able to see all traffic but not with NTOP.

What am I doing wrong?

Thanks,
Earl

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