> I think the better argument here (rather than just focusing on '-') is
 > to talk about DNS requirements.  Obviously, IP isn't the only reason to
 > have datalinks, but it's an important one, and if people want to set the
 > datalink name to match the host name used as an address on that link,
 > then matching up the character set would be useful.

... are you envisioning that the customer would also append e.g. ".0" to
their interface/datalink name?  Short of that, '-' is not the main
stumbling block to having datalink names and hostnames match.

-- 
meem

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