Re: Force Wireshark to decode part of Data as another protocol

[Guy Harris <guy () alum mit edu>]

On Jul 21, 2014, at 11:15 PM, Rayne <hjazz6 () ymail com> wrote:

> I have some traffic samples where the Layer 2 is PPP and the next protocol field value is 0x0281, which indicates 
> MPLS Unicast. There are 4 bytes following this PPP header before I see the IP header. However, Wireshark has decoded 
> everything after the PPP header as Data.

What version of Wireshark are you using?

> I can't choose the "Decode As" option in this case, as it is greyed out. How can I force Wireshark to decode the 4 
> bytes after the PPP header as something else, say MPLS in this case?

Use the latest version of Wireshark, which appears to support dissecting packets with a PPP protocol value of 0x0281 as 
MPLS-over-PPP?
___________________________________________________________________________
Sent via:    Wireshark-users mailing list <wireshark-users () wireshark org>
Archives:    http://www.wireshark.org/lists/wireshark-users
Unsubscribe: https://wireshark.org/mailman/options/wireshark-users
             mailto:wireshark-users-request () wireshark org?subject=unsubscribe