Hi, Am Mittwoch, den 01.05.2013, 11:08 +0200 schrieb Philipp Kern: > On Mon, Mar 29, 2010 at 11:29:42AM +0200, Joachim Breitner wrote: > > With ipv6, does routing work just as with ipv4? I.e. I look through the > > routing table and pick the entry with a ::0 destination netmask? > > yes. However, there is a twist: The main use case of issuing > a »ping6 gateway.localhost« on the command-line can not be done > that easily with IPv6 and NSS. > > It would work with statically configured routes towards your gateway but > not with router advertisements (which are what DHCPv6 and SLAAC use). > These communicate a link-local address that would need a scope > identifier to denote the interface to use. However, even though it's > easy to fetch the scope from netlink, NSS does not allow to pass it > back to the application through gethostbyname_r. > > getaddrinfo returns a struct sockaddr, which does bear a scope field > in its IPv6 form (sin6_scope_id in sockaddr_in6). But I guess it is > not possible to get and answer these calls through NSS. > > So it will still work if you manually specify the interface (»ping6 -I > eth0 gateway.localhost«), but it is confusing if you have multiple > interfaces (like eth0 and wlan0). > > I've got code that's almost ready to submit. Maybe it will be still > be helpful.
thanks, looking forward to it. Greetings, Joachim -- Joachim "nomeata" Breitner Debian Developer nome...@debian.org | ICQ# 74513189 | GPG-Keyid: 4743206C JID: nome...@joachim-breitner.de | http://people.debian.org/~nomeata
signature.asc
Description: This is a digitally signed message part
