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

Hello,

Pls. let me know the mailing group id to which I can
send my queries related to 802.3ah.

My subscription to "[email protected]" failed.

Thank you.

Best Regards,
Geetha.

> -----Original Message-----
> From: Romascanu, Dan (Dan) [mailto:[email protected]]
> Sent: Sunday, 19 February 2006 8:49 PM
> To: Dominique bastien; [email protected]; [email protected]
> Cc: [email protected]; [email protected];
> [email protected]; [email protected]
> Subject: RE: [Hubmib] IEEE 802.3ah - EOAM - clause 57 - need
> clarification onthe statements in section 57.2.11.4 & 57.2.11.6
> 
> 
> This discussion is slightly out of the scope of the Working 
> Group and of
> this list, which focuses on Ethernet MIBs. 
> 
> I suggest that you move it to the IEEE 802.3 Working Group 
> list, or any
> other list that specializes in Ethernet technology. 
> 
> Thanks and Regards,
> 
> Dan Romascanu 
> (Ethernet Interfaces and Hub MIB WG Chair)
> 
> 
>  
>  
> 
> > -----Original Message-----
> > From: [email protected] 
> > [mailto:[email protected]] On Behalf Of Dominique bastien
> > Sent: Friday, February 17, 2006 5:18 AM
> > To: [email protected]; [email protected]
> > Cc: [email protected]; [email protected]; 
> > [email protected]; [email protected]
> > Subject: Re: [Hubmib] IEEE 802.3ah - EOAM - clause 57 - need 
> > clarification onthe statements in section 57.2.11.4 & 57.2.11.6
> > 
> > Q: 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?
> > 
> > A: Few thing can happen, the local peer can resend the 
> > loopback command or wait an other second. In a network in 
> > trouble you maybe need to send few loopback command before 
> > receiving the Information TLV with the State octet set 
> > properly. When the state field (local_par_action parameter to 
> > LB and the local_mux_action to DISCARD) show you that you can 
> > begin to send test traffic, the test can begin. It's only a 
> > matter of resending message versus waiting for response.
> > 
> > 
> > Dominique
> > 
> > --- Geetha K <[email protected]> wrote:
> > 
> > > 
> > > 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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