[mario_morelli@xxxxxxxxxxx]

On SMB 200
- Source POrt=0
- Destination POrt=0

Packet sniffed on Ethereal

- Source Port=17512
- Destination Port=0

Thanks.



-- Messaggio originale --

>> I've linked PC with Ethereal to an hub to sniff UDP packets from a router.These
>> UDP packets are generated by a SmartBits 200. No UDP ports are setted
(Source
>> and Destination Port are 0)on SmartBits 200.
>> Two problems:
>>
>> 1)Viewing the Ethereal Logs, I see column "Protocol"  PGM (and not UDP)
>
>What are the source *and* destination port numbers of the packets?
>
>If either one is zero, they will be treated as PGM packets, because the
>PGM dissector doesn't really allow you to disable PGM dissection - the
>PGM-over-UDP encapsulation port number defaults to 0, but it doesn't
>treat that as an indication that it shouldn't make any UDP port act as
a
>PGM port, it treats it as an indication that it should make port 0 be
>the port for PGM.
>
>This is arguably a bug.
>
>> In the detail view of the packets I see correctly packets UDP but  Source
>> port is setted to 17512(instead of zero).
>
>Well, perhaps the source port of the packet, as it was put onto the
>network, *is* 17512, regardless of how the SmartBits 200 is configured.

>What is the destination port?
>