Ethereal-dev: Re: [ethereal-dev] IS IPX a Network layer protocol, or below the network layer,

Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.

Date Index Thread Index Other Months All Mailing Lists
Date Prev Date Next Thread Prev Thread Next
From: Guy Harris <gharris@xxxxxxxxxxxx>
Date: Mon, 21 Feb 2000 21:08:11 -0800
> I am having trouble visualizing and explaining where IPX sits in the DoD
> model or the OSI model.

I'd call it a network layer protocol, at the same place in the layer
cake as IP or OSI CLNP, for example.

> I have heard it said that IPX is not routable,

>From whom?  Perhaps they're thinking of NetBEUI Framing, or whatever the
NetBIOS-atop-802.2-Type-2 protocol is called; that isn't routable (host
addresses are MAC addresses), but IPX is routable.

> and assumed that this meant
> that IPX does not carry network/node addresses around in the IPX header.
> Is this correct?

Nope.  See

	http://www.protocols.com/pbook/novel.htm#IPX

IPX addresses consist of a network number and a MAC address.