My best suggestion would be to insert a paragraph or two in the section of the FAQ that discusses local vs. remote traffic. Something like:
"By default, all multicast traffic is treated as 'Remote' by ntop. Your actual network topology may be such that it could be either or possibly both. You can use the -m | --local-subnets option to force multicast addresses/segments to be counted as 'Local' traffic." And along the same lines: "VLAN traffic is a special case. ntop treats all traffic within your machine's netmask definition as 'Local'. For instance, you may have a class B network with a netmask of 255.255.0.0, and you are using VLAN to distribute the traffic. In this case all traffic within this class B network will be shown as 'Local' by ntop. Attempts to redefine what is 'Local' with the -m | --local-subnets option will not work." Tim -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Burton M. Strauss III Sent: Thursday, August 28, 2003 9:36 AM To: Ntop-Dev Subject: [Ntop-dev] multicast remote? (was: Issues w/ ntop 2.2.93) I think ntop is right, sort of - if your multicast groups are remote, then ntop's correct. If not, well, your parameter setting sounds right. Don't want to change the code - if we treated it as LOCAL, then it would be a problem as you couldn't force it non-local. This should be an FAQ entry. Please write it up and I'll add it. -----Burton > -----Original Message----- > From: pc [mailto:[EMAIL PROTECTED] > Sent: Tuesday, August 26, 2003 9:07 PM > To: [EMAIL PROTECTED] > Subject: Issues w/ ntop 2.2.93 <snip/> > multicast traffic considered remote> > > Multicast traffic is considered 'remote' traffic by ntop. Is this appropriate? I have locally added 224.0.0.0/8 to my --local-subnets and this workaround is effective for the moment. This is not a new issue either. _______________________________________________ Ntop-dev mailing list [EMAIL PROTECTED] http://listgateway.unipi.it/mailman/listinfo/ntop-dev _______________________________________________ Ntop-dev mailing list [EMAIL PROTECTED] http://listgateway.unipi.it/mailman/listinfo/ntop-dev
