[tcpdump-workers] New LINKTYPE_ for EPON

2014-04-18 Thread Philip Rosenberg-Watt
Hello: I apologize if this is a duplicate message. I sent a request on Monday but I have not received a response, so I'm trying again, this time as a member of the list. I also did not S/MIME sign this message in case that was the issue. CableLabs specifies Ethernet Passive Optical Network as the

Re: [tcpdump-workers] New LINKTYPE_ for EPON

2014-04-24 Thread Philip Rosenberg-Watt
>So is there any technical reason *not* to dissect the frame by: > > if that octet doesn't have the upper 6 bits as 010101, report it as an >error; > > if that octet is 0x55, show it as a preamble octet, and treat the frame >as not encrypted; > > if that octet is 0x54, report it

Re: [tcpdump-workers] New LINKTYPE_ for EPON

2014-04-25 Thread Philip Rosenberg-Watt
On 4/24/14 16:30 , "Guy Harris" wrote: > >On Apr 24, 2014, at 6:31 AM, Philip Rosenberg-Watt > wrote: > >> Then how are we to determine if the capture is 1G or 10G mode? Do we >> simply exclude the possibility of XX being 010101 for the MPCP LSB? >>O