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
