Subject: Re: [PWE3] PW type identification

From: "Yaakov Stein" <[email-masked]>
Date: Mon, 12 May 2008 13:42:50 +0300

> The current (incomplete and heuristic) logic in wireshark is based on
the first nibble after the MPLS Label Stack, 
> treating the payload as IPv4 (if "4"), IPv6 (if "6"), PW-ACH (if "1")
and Ethernet without FCS the rest of the cases. 

Carlos, 

There seems to be a whole in this logic.
Although most MAC addresses will start with 0000,
there are MAC addresses that start with 0001 too
(and there is no reason that there will not be with 4 and 6 in the
future).

Y(J)S
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