>>>>> "Guy" == Guy Harris <guy@netapp.com> writes:
    Guy> On Wed, May 22, 2002 at 09:46:33PM -0400, Michael Richardson wrote:
    >> I'm not sure that PPPoE matters because in most cases there is a PPPX
    >> device which one can use to capture just the PPP packets.

    Guy> Does that also apply in the Ethernet-over-ATM and VLAN cases?  (Or is
    Guy> that OS-dependent, with, say, some OSes having interfaces for VLANs as
    Guy> well as an interface for the "raw" Ethernet, and others not doing so?)

  Yes, there is the OS-dependant issue - not everyone has VLANX interfaces.
  But, PPPoE is really more similar to GRE than 802.2 encapsulation.

    Guy> (Yes, tunneling can be fun.  I'll have to dig up the frame relay capture
    Guy> somebody sent me - it had something like IP inside Frame Relay inside
    Guy> GRE inside IP inside Ethernet.)

  I'll see that and raise you HTTP/TCP/IP/PPP/L2TP/UDP/MPLS/MPLS/GigE-802.3.

]       ON HUMILITY: to err is human. To moo, bovine.           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another NetBSD/notebook using, kernel hacking, security guy");  [