For what it’s worth, I’ve noticed Windows frequently will not grab IPv6 addresses via SLAAC.
If I disable IPv6 on the network interface and then re-enable it, then I will be assigned an IPv6 address. Jan Kalkus > On Dec 7, 2017, at 23:14, Claus Lensbøl <cl...@fab-it.dk> wrote: > > Do you know if the Windows box gets the RA from rtadvd? > If you have pf running you may need to allow it there. > > https://content.pivotal.io/blog/a-barebones-pf-ipv6-firewall-ruleset > > / Claus > > >> On 07-12-2017 23:18, Denis wrote: >> I've set up rtadvd, but Win7 still have no IPv6 address. Only Link local >> IPv6 address: fe80.... is present. >> >> ipconfig /all shows: >> >> Ethernet adapter Local Area Connection: >> >> Connection-specific DNS Suffix . : local >> Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Desktop Adapter >> Physical Address. . . . . . . . . : mac... >> DHCP Enabled. . . . . . . . . . . : Yes >> Autoconfiguration Enabled . . . . : Yes >> Link-local IPv6 Address . . . . . : fe80::c6:... (Preferred) >> IPv4 Address. . . . . . . . . . . : 192.168.1.125 (Preferred) >> Subnet Mask . . . . . . . . . . . : 255.255.255.0 >> Lease Obtained. . . . . . . . . . : Thursday, December 07, 2017 >> 3:46:37 PM >> Lease Expires . . . . . . . . . . : Thursday, December 07, 2017 >> 4:46:19 PM >> Default Gateway . . . . . . . . . : 192.168.1.1 >> DHCP Server . . . . . . . . . . . : 192.168.1.1 >> DHCPv6 IAID . . . . . . . . . . . : 235405873 >> DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-2F-22-3... >> DNS Servers . . . . . . . . . . . : 8.8.8.8 >> NetBIOS over Tcpip. . . . . . . . : Enabled >> >> I'm actively using PF for IPv4 filtering, what I have to set up to make >> IPv6 SLAAC working? Which port rtadvd is using to advertize the router >> on network? >> >> # cat /etc/hostname.em0 >> inet 192.168.1.1 255.255.255.0 media autoselect >> inet6 alias 2001:bd2:101::1 64 >> >> # cat /etc/rtadvd.conf >> em0:\ >> :addr="2001:bd2:101::":prefixlen#64:\ >> :rtprefix="2001:bd2:101::":\ >> :rdnss":"2001:bd2:101::1":\ >> :dnssl="local": >> >> # /etc/rc.d/rtadvd start >> tradvd (ok) >> >> # ndp -a >> 2001:bd2:101::1 mac... em0 permanent R l >> fe80::.... mac... em0 permanent R l >> >> Thanks for answer in advance. >> >> Denis >> >> >>> On 12/6/2017 3:28 PM, Claus Lensbøl wrote: >>> Hi Denis, >>> Do you specifically need a DHCP server for v6 or do you "just" need to >>> hand out addresses to your network(s)? For the second option you can >>> use the rtadvd service having the clients configure their own addresses >>> with SLAAC. >>> >>> If you need a DHCP server, you need rtadvd to hand off the requests to >>> the DHCP server in any case. Last time, which is some time ago, the >>> DHCP server distributed with OpenBSD wasn't capable of working with >>> IPv6, so you'll need the ISC version or perhaps the WIDE server that I >>> have not worked with. >>> >>> http://wide-dhcpv6.sourceforge.net/ >>> >>> I don't have a working DHCP config for you, but if you "just" need >>> SLAAC, I can provide you some, perhaps a bit, old examples. >>> Let me know. >>> >>> / Claus >>> >>> >>>> On 06-12-2017 15:14, Denis wrote: >>>> Hi All, >>>> >>>> I have working OpenBSD based IPv4 router, but now need to add IPv6 >>>> functionality to the same router box with keeping all IPv4 services. >>>> >>>> I've set aliases with IPv6 addresses for all the adapters in >>>> /etc/hostname.if and added filtering rules for IPv6 to PF. >>>> >>>> Stuck with IPv6 DHCP server piece of software. Which one do I need to >>>> have IPv6 DHCP server functionality? The best solution is to use >>>> implemented into OpenBSD, no packaged one. >>>> >>>> Please recommend some. Any examples will be useful too. >>>> >>>> Thank you. >>>> >>>> >>>> >>>> >>>> > > -- > Med venlig hilsen/Best regards > Claus Lensbøl > > Fab:IT ApS > Vesterbrogade 37, 2. th > DK-1620 København > Tlf: +45 70 202 407 > Main Site: www.fab-it.dk > VPS Product: vpsforce.eu >
