Hi Tomasz, thank you for your reply. For the convenience of other users, the discussion that you've mentioned is: http://comments.gmane.org/gmane.os.openbsd.ipv6/337 Anyway, I've compiled 0.8.4RC1 downloaded from your website (tar.gz), uncommented low-level debug and the error is the same as it was (received data on address ... message ignored).
PfSense/BSD dev team: any idea when/if prefix assignment (delegation) for other interfaces will be available in BSD (PfSense) [Figure 4 page 18 dibbler-user manual] ? Best Slawomir Kosowski 2013/5/30 Tomasz Mrugalski <[email protected]>: > On 28.05.2013 16:13, Slawomir Kosowski wrote: >> Hi, >> >> we've been trying to set up dibbler-client to grab our PD from ISP on >> PfSense. >> Client.conf is as following: >> log-level 8 >> duid-type duid-ll >> iface em0 { >> pd >> option dns-server >> option domain >> } >> >> The problem is presented in the log: http://pastebin.com/uee1maWe >> Especially, line 123 and line 130. The SLAAC is fe80::250:56ff:fe00:113a >> but the socket is created for em0/1 fe80:1::250:56ff:fe00:113a (index of >> interface 1). >> Nailing down the problem, I've compiled the source with LOWLEVEL_DEBUG >> in dibbler-0.8.3/Port-bsd/lowlevel-bsd.c so that we can see low-level >> debug info. >> In the log we can clearly see that "aliases" are created for each >> interface. I'm not FreeBSD specialist, but this seems strange for me. >> >> Quick and dirty fix was to omit the full address checking. > That's a BSD kernel bug. It was reported previously for OpenBSD. I > couldn't find the details, but feel free to dig up around Dibbler and > OpenBSD archives. I remember that I got an answer from Simon Perreault. > > Here's brief summary. BSD kernel uses 3rd and 4th byte to keed scope-id > (or interface-id if you prefer) internally. That's ok. What is not ok is > that this data leaks out to user space when interface address are > obtained using getifaddrs(). > > If you take a look at the latest (0.8.4RC1 or git) source, there this > code in Port-bsd/lowlevel-bsd.c: > > #ifdef OPENBSD > // this is ugly. OpenBSD returns interface index on the 4th byte. > // Link-local addresses are supposed to be in format fe80:[6 zeros > // here]:EUI-64 > memset(ptr+2, 0, 6); > #endif > > Make no mistake - this code is a workaround for kernel bug. Apparently > it should be extended to cover whatever kernel pfSense is running. For > now I've extended it to cover all BSDs (and Mac OS). It should do no > harm, except masking the issue. Can you check that the latest code from > git does work for you? It if does, it will be released in 0.8.4 soon. > > Can someone familiar with FreeBSD (and possibly pfSense) bug handling > process could report this issue to the appropriate developers, please? > > Tomek > _______________________________________________ List mailing list [email protected] http://lists.pfsense.org/mailman/listinfo/list
