https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4943
--- Comment #8 from Bill Meier <wmeier@xxxxxxxxxxx> 2011-01-21 10:07:40 EST ---
(In reply to comment #7)
Some comments after doing a bit more research (see inline comments).
>
> That being said & following up on the info Chris provided I'm guessing that
> ISMP messages (and their possible payloads) are obsolete[1] and thus further
> resolving this issue is not necessary or useful.
Looking at the specs for several of the current Entersys switch products
(www.enterasys.com) I see that several of the switches support "Cabletron
Discovery Protocol". So: I guess the protocol is not actually obsolete.
>
> [1] For example: besides the spec Chris found for an ISMP "type 2" message I
> found another spec [RFC] for what appears to be a different format message
> with the same type.
The above is incorrect; I mis-interpreted RFC 2642.
-------
Also: The VLAN Hello (Version 4) message described in RFC 2641 appears to be
quite similar to the "Enterasys Discovery Protocol" message dissected by
packet-ismp.c (with different names for several of the fields and without the
"tuples").
In the attached capture the discovery protocol message has a version of 6.
There are references in Entersys Release Note documents to Cabletron Discovery
Protocol Version 6 but I was unable to find any specification of V6 of the
protocol.
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