On Tue, Feb 28, 2017 at 10:18 PM, Hiroki Sato <h...@freebsd.org> wrote: > Warner Losh <i...@freebsd.org> wrote > in <201703010447.v214lm4c026...@repo.freebsd.org>: > > im> Author: imp > im> Date: Wed Mar 1 04:47:22 2017 > im> New Revision: 314471 > im> URL: https://svnweb.freebsd.org/changeset/base/314471 > im> > im> Log: > im> Fix VNET - DAD detected duplicate IPv6 address > im> > im> Assign a hopefully unique, locally administered etheraddr. - for > im> epairNa & epairNb > im> > im> Submitted by: Catalin <ssle...@users.noreply.github.com> > im> Pull Request: https://github.com/freebsd/freebsd/pull/92 > > This was discussed in D1858. epairNa and epairNb never have the same > L2 addr because eaddr[5] is unique. If the goal of this change is to > prevent a conflict of L2 addrs with epairNs created in another vnet > jail on the same system or on the same network, eaddr[5] of epairNa > (around l.839) must also be randomized at least. > > While I am still for a deterministic value because changing the L2 > addr every time when rebooting a vnet jail is annoying, but if we use > some random numbers for the vendor bits, I think eaddr[2] should be > initialized in the same way.
It's clear the consensus there was 'no go' and I don't wish to override it. I didn't know about that, so I'll revert. Warner _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
