RE: IEEE 802.3ah - EOAM - clause 57 - need clarification on the statements in section 57.2.11.4 & 57.2.11.6

Geetha,
 
I believe that you are asking questions that are related to the IEEE
802.3 standards, and not to the Ethernet MIB work that is being done in
the IETF. I suggest that you address your clarification questions to the
IEEE 802.3 Working Group. 
 
Best Regards,
 
Dan Romascanu
hubmib WG Chair
 
 
 
 
 


  _____  

	From: [email protected] [mailto:[email protected]]
On Behalf Of Geetha K
	Sent: Thursday, February 16, 2006 4:35 PM
	To: [email protected]
	Cc: [email protected]; [email protected];
[email protected]; [email protected]
	Subject: [Hubmib] IEEE 802.3ah - EOAM - clause 57 - need
clarification on the statements in section 57.2.11.4 & 57.2.11.6
	
	
	 
	Section 57.2.11.6:
	=============
	To ensure correct operation, the OAM client needs to, within one
second of 
	receiving a Loopback Control OAMPDU with the Enable OAM Remote
Loopback 
	command:
	a) Set its local_par_action parameter to LB and the
local_mux_action to DISCARD 
	    via OAM_CTL.request service primitive.
	b) Send an Information OAMPDU.  
	 
	 
	
	Section 57.2.11.4:
	=============
	Since Information OAMPDUs are continually sent to keep the OAM
Discovery process
	from re-starting, the occasional loss of an Information OAMPDU
should not adversely 
	impact the operation of OAM remote loopback mode. 
	 
	 
	The above 2 statements are conflicting: 
	- first statement insists on sending OAMPDU within one second to
ensure correct operation 
	- second statement says that loss os Information OAMPDU should
not adversely impact 
	   the operation of OAM ermote loopback mode.
	 
	 
	In Remote loopback mode, what will happen if the remote peer is
not responding with 
	an information OAMPDU within a second after sending a remote
loopback command? 
	This is critical as the Multiplexer at the local DTE will be put
in Discard state until an 
	information OAMPDU is received and all the frames from higher
layers will be dropped.
	 
	Clarification on this will be highly appreciated.
	 
	 
	Thank you.
	 
	Regards,
	Geetha.
	 
	
	
	
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