On Thursday, 9 June 2005 at 1:46:00 +0200, Jeremie Le Hen wrote: > Greg, > >> My understanding is that GRE is to IP as PPP is to SLIP: it allows >> multiple protocols to be encapsulated. I've done some tracing with >> Ethereal, and the only difference is a four-byte header in front of >> the payload for GRE; in an IP tunnel, it's simply missing. I've >> written this up in my diary >> (http://www.lemis.com/grog/diary-jun2005.html#8), along with the >> traces. > > yes it's usually a simple four-byte header when doing a simple tunnel. > But from what I have read [1] and according to what Giorgos said, > it seems it can be a lot more longer, depending on the value of the > five first bits of the GRE header.
Ah, that seems reasonable. Greg -- The virus contained in this message was not detected. Finger [EMAIL PROTECTED] for PGP public key. See complete headers for address and phone numbers.
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