Date: Mon, 20 Aug 2012 14:09:55 -0400 From: John Baldwin <jhb@freebsd.org> To: Andrey Chernov <ache@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r239356 - head/sbin/dhclient Message-ID: <201208201409.55544.jhb@freebsd.org> In-Reply-To: <20120818195724.GA74684@vniz.net> References: <201208171553.q7HFrhuf090457@svn.freebsd.org> <201208171507.07699.jhb@freebsd.org> <20120818195724.GA74684@vniz.net>
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On Saturday, August 18, 2012 3:57:24 pm Andrey Chernov wrote: > On Fri, Aug 17, 2012 at 03:07:07PM -0400, John Baldwin wrote: > > On Friday, August 17, 2012 2:25:12 pm Andrey Chernov wrote: > > > On Fri, Aug 17, 2012 at 03:53:43PM +0000, John Baldwin wrote: > > > > Author: jhb > > > > Date: Fri Aug 17 15:53:43 2012 > > > > New Revision: 239356 > > > > URL: http://svn.freebsd.org/changeset/base/239356 > > > > > > > > Log: > > > > Fix dhclient to properly exit and teardown the configured lease when > > > > link is lost. devd will start a new dhclient instance when link is > > > > restored. > > > > > > Is it any chance to teach dhclient IPv6 addresses in very basic parser > > > level, f.e. to replace nameserver it sniffs from router? Currently > > > dhcp-options(5) understands IPv4 addresses only and produce error on > > > 'supersede' IPv6 address. > > > > I think the RFC defines those to be IPv4, yes? Presumably DHCPv6 adds > > new option types that support IPv6 addresses? > > RFC 2131 (if you mean it) describes DHCP process itself, it does not > define contents of 'supersede' or other override options for dhclient. The supersede handling bits are all based on what the protocol can actually send, which the RFC defines as IPv4. > Moreover, current dhclient somewhow able to fetch my IPv6 tunnel DNS > address from the roiter (I don't look deeper, maybe it is router bug), but > I don't want IPv6 tunnel DNS, I want router fe80:... DNS instead. Eh? DHCP can't return an IPv6 address in the protocol. -- John Baldwin
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