Re: working group last call for PPP TRILL protocol control protocol [was Re: I-D Action:draft-ietf-pppext-trill-protocol-02.txt]

Donald Eastlake wrote:
> Hi James,
> 
> I think your position below is reasonable. The System ID of an IS-IS
> router is certainly not required to be any sort of MAC address, it
> just has to be a 48-bit quantity unique among the IS-IS routers whose
> link state entries need to be distinguished.
> 
> Perhaps Section 3, point 3, should be reworded to something like: "In
> the case of an RBridge with only PPP links, the practice of using the
> MAC address of an interface for the IS-IS System ID will not be
> available. The implementor will have to use other means, such as
> deriving a System ID from a MAC address allocated to the device as a
> whole, to assure that it has a campus-wide unique System ID."

That seems quite reasonable to me.  I just want to steer clear of
writing too much of the IS-IS requirements into this draft, as I think
the overall system design implications are out of scope.

-- 
James Carlson         42.703N 71.076W         <[email protected]>
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