On Wednesday 18 January 2006 00:00, Shahed Moolji wrote: > For all you networking gurus :- > > Is ARP considered to be a layer 2 or layer 3 protocol ? > > I googled, but I cant still seem to get a proper answer. > > Although I tend to agree that its a L3 protocol, it does not > encapsulate a L3PDU > on to the Data Link Layer, as its messages are put directly in the > data part of the L2 frame. > > Or is it best defined as a L3 protocol without any header ? > > Thanks > Shahed
Its a L3 protocol. I thought wikipedia can help. But its confusing me too right now. I tend to agree that it works with MAC addresses and MAC and LLC is a part of L3 but apparently ARP works with L2 and L3 addresses. http://en.wikipedia.org/wiki/Address_Resolution_Protocol -- Dinesh A. Joshi -- http://mm.ilug-bom.org.in/mailman/listinfo/linuxers

