Re: [Linuxptp-devel] [PATCH 1/4] Schedule announce TX timeout also when in slave-only mode

[Delio B. <dbr...@au...>]

On Dec 2, 2013, at 8:35 PM, Keller, Jacob E wrote:
> On Sun, 2013-12-01 at 10:57 +0100, Delio Brignoli wrote:
>> On Dec 1, 2013, at 7:48 AM, Richard Cochran <ric...@gm...> wrote:
>> 
>>> 2. What is the point of the slave only node's announce messages?
>>> 
>>> [ The announce messages will not affect the outcome of the peer's
>>> BMC election, except to make it slower. ]
>> 
>> 
>> Knowing the node exists and it is a slave I guess...
>> 
> 
> I believe it's in order to know that the node is asCapable.. I know at
> least one switch which will ignore a port unless it receives an announce
> from it that indicates it's asCapable...


According to the standard the peer delay messages exchange is used to establish if a peer is asCapable.

--
Delio