Date: Fri, 18 Mar 2011 16:27:10 +0100 (CET) From: Christian Kratzer <ck-lists@cksoft.de> To: "Eugene M. Zheganin" <eugene@zhegan.in> Cc: freebsd-net@freebsd.org Subject: Re: ipv6, stateful config and non-default prefixlen Message-ID: <alpine.BSF.2.00.1103181624340.95202@tapio.cksoft.de> In-Reply-To: <4D8370AB.1070000@zhegan.in> References: <4D8370AB.1070000@zhegan.in>
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Hi, On Fri, 18 Mar 2011, Eugene M. Zheganin wrote: > Hi. > > I'm trying to get a working freebsd workstation with an ipv6 network where > addresses are received from DHCP. > ATM my IPv6 setup copies the IPv4 layout with vlans and /24 masks, so I'm > using /120 prefixes. > Is that even possible ? > As the Handbook lacks any information about such setup, I decided to ask for > help here. why not just use /64 prefixes ? You have 16 bits in your /48 to each ipv4 /24 network to an ipv6 /64 network. Don't fight the system. Greetings Christian > > Currently I'm having problems with prefixes. > I'm using the net/isc-dhcp41-client port (as the dhclient from the base > system is unable to work with DHCPv6). > I have a working rtadvd on a router, and a working DHCPv6 setup. > But my client FreeBSD still gets 64 prefix length, with or without running > rtsold. > Since DHCPv6 doesn't advertise any routing information at all (including the > prefix information), and its only function is to provide the client with an > address, I assume that the prefix information has to be received from the > router advertisements. I am currently looking at the wireshark dump, and it > appears that my workstation is receiving such advertisements. However it > doesn't affect the 64 prefix displayed in ifconfig, and all operation > involving the nodes outside the actual link are simply not working. > > Also I want to say that other operating systems on the same link are working > properly (for example they can exchange with nodes in other networks). > > Thanks. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- Christian Kratzer CK Software GmbH Email: ck@cksoft.de Wildberger Weg 24/2 Phone: +49 7032 893 997 - 0 D-71126 Gaeufelden Fax: +49 7032 893 997 - 9 HRB 245288, Amtsgericht Stuttgart Web: http://www.cksoft.de/ Geschaeftsfuehrer: Christian Kratzer
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