hmmm ... ok I will have to test NTOP monitoring a 802.1q trunk. I guess they are 2 different animals because 802.1q uses a internal tag and ISL uses an external tag, which Im assuming is why the ISL traffic will be classified as non-ip other traffic ... makes sense.
thanks, Blake --- "Burton M. Strauss III" <[EMAIL PROTECTED]> wrote: > I don't think there's any support for ISL. The > support I'm aware of is for > 802.1q. Which isn't to say that ISL couldn't be > added ... > > Try doing a couple of tcpdump or ethereal traces on > the link. See what you > see. But based on what I read this weekend about > ISL encapsulation, ntop > should treat it as non-IP other traffic. > > -----Burton > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Blake > Sent: Tuesday, February 25, 2003 2:39 PM > To: [EMAIL PROTECTED] > Subject: [Ntop] Monitoring a router trunk port > > > > Hi, does it make sense to monitor the interface of a > router which is configured as a ISL trunk port > routing > between multiple VLANs? > > The other option is to have a NIC for each VLAN I > want > to monitor with NTOP and was wondering if I could > just > monitor the trunk port of the router. I guess Im > wondering what exactly NTOP would see and this may > be > more of a networking thing I will have to read up on > but was just wondering if there was functionality > built in NTOP that would enable NTOP to function on > a > trunk port. > > I do not currently have this setup to test so that > is > why I ask ... Im just planning ahead :) > > Any thoughts would be appreciated. Thanks in > advance! > > --Blake > > > __________________________________________________ > Do you Yahoo!? > Yahoo! Tax Center - forms, calculators, tips, more > http://taxes.yahoo.com/ > _______________________________________________ > Ntop mailing list > [EMAIL PROTECTED] > http://listgateway.unipi.it/mailman/listinfo/ntop > > _______________________________________________ > Ntop mailing list > [EMAIL PROTECTED] > http://listgateway.unipi.it/mailman/listinfo/ntop __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/ _______________________________________________ Ntop mailing list [EMAIL PROTECTED] http://listgateway.unipi.it/mailman/listinfo/ntop
