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List:       freebsd-stable
Subject:    Re: ifconfig netmask problem
From:       des () des ! no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=)
Date:       2004-06-23 9:03:38
Message-ID: xzpsmcmodcl.fsf () dwp ! des ! no
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"Dan Piparo" <dan@danworld.net> writes:
> What I really want to know, what is the proper netmask for an alias IP
> address for the latest FreeBSD 4.10-STABLE version.  Did it change for some
> reason?

"it depends"

if the alias is on the same subnet as an existing address (whether on
that interface or another) it must have an all-bits-one netmask to
avoid routing ambiguity.

if it is on a different subnet, it should have the correct netmask for
that subnet.

DES
-- 
Dag-Erling Smørgrav - des@des.no
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