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On Wed, 2 Feb 2011, Iljitsch van Beijnum wrote:
> Example: if you give administrators the option of putting a router
> address in a DHCP option, they will do so and some fraction of the time,
> this will be the wrong address and things don't work. If you let routers
> announce their presence, then it's virtually impossible that something
> goes wrong because routers know who they are. A clear win.
Counterexample: rogue RAs from Windows boxes running 6to4 or Teredo and
Internet Connection Sharing. This is a lot harder to fix than a
misconfigured DHCP server.
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7,
DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR
ROUGH. RAIN THEN FAIR. GOOD.