Wireshark-users: Re: [Wireshark-users] Help with GRE encapsulated packets
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From: Stephen Fisher <stephentfisher@xxxxxxxxx>
Date: Wed, 7 Nov 2007 10:30:06 -0700
On Tue, Nov 06, 2007 at 09:24:59AM -0000, Eric Renkoff wrote:

> I am trying to solve a problem between 2 devices that are FTPing
> to/from one another.  The problem is that at the network point where I
> am sniffing I se only GRE encapsulated packets.  Wireshark is not
> decoding the encapsulated payload so I can not see what is going on in
> there in order to try and solve my network problems.  How do I get
> Wireshark to decode the GRE encapsulated packets?

Is Wireshark showing that there are GRE packets and just not showing
what is within them?  I do not remember how Wireshark handles GRE and
there is no sample capture on the Wiki.  Would you mind attaching a
*small* capture file (1 packet is ok) to an e-mail response with
GRE/encapsulated data in it?  Then I (or anyone else) can take a look at
what is going wrong.


Steve