Lee Johnston wrote:
Hi all,
We've just been allocated a /31 for a point-to-point over ethernet. Any
idea if FreeBSD supports 31-bit prefixes as per RFC 3021? All I'm
getting are:
arp: 00:02:4a:9c:b8:81 attempts to modify permanent entry for
xx.xx.xx.xx on em2.3211
It is likely that the /31 is not routed through your pppoe tunnel but
instead assigned to your pppoe tunnel. Probably they expect you to use
those two addresses in combination with NAT.
Routed operation is usually only possible (without trickery) on /30 or
larger. But perhaps your /31 falls neatly within a /30 and they did not
route the network/broadcast address?
Why not just ask your provider how you were thought to use these
addresses? You are the customer, you cannot be expected to be the
routing wiz on *their* network. I always ask anyway, the explanations
are sometimes colorful but often i hear "oh, wait a minute, this doesn't
make sense! hang on...".
--
Sten Daniel Soersdal
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