[rbridge] Consensus Check: Egress processing of unicast not locally known

[Dinesh G Dutt]

Donald,

This is different from existing IEEE 802.1D bridges. I'm OK with it, as 
long as it is a MAY and not a MUST or a SHOULD. I'm worried that 
misconfigurations and such can cause silent packet drops which can be 
hard to debug.

Dinesh
Eastlake III Donald-LDE008 wrote:
> This is a check via the mailing list to confirm or refute an apparent
> consensus from the minutes of the Chicago meeting for a change from
> protocol draft -05:
>
>    Egress RBridges that receive a known unicast TRILL data frame whose
>    inner destination address is not known locally should send the
>    native form of the frame out on every link for which the RBridge
>    is DRB for the frame's VLAN unless it knows that an end station
>    with that MAC address could not be on that link. (For example,
>    there is a layer-2 registration procedure for end stations on that
>    link and the destination MAC address in question is not
>    registered.) This is a local decision. No "error" message will be
>    defined for this condition at this time.
>
> If no particular controversy arises over this in the next two weeks, we
> will declare it to be the working group consensus.
>
> Thanks,
> Donald & Erik
>
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>   

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