[ipv6-wg] is use of IF-ID 0 "clean"
Andrew 👽 Yourtchenko ayourtch at gmail.com
Fri Jun 20 19:54:22 CEST 2014
On 6/20/14, Wilfried Woeber <Woeber at cc.univie.ac.at> wrote: > Dear WG-folks, > > out of curiosity and because I got asked this question, here we go: > > Is the use of "0" as the interface ID in an IPv6 network "clean"? > I haven't found any indication that "0" is reserved (as in IPv4), or > should not be used, but there's a lingering feeling that it may cause > trouble, somewhere, somehow. Using all-zero IID forms a subnet-router anycast address: http://tools.ietf.org/html/rfc4291#section-2.6.1 Also, I've read about linux hosts responding to fe80:: if it is configured on any link on the router (though reads like a clear bug to me, and maybe fixed already). --a > > Any input appreciated, tia, > Wilfried. > >
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