OSPFv3 (IPv6) over OpenVPN IPv4 PTP connection.

Ondrej Zajicek santiago at crfreenet.org
Fri Nov 23 22:29:51 CET 2012

On Fri, Nov 23, 2012 at 04:39:31PM +0000, Paul Libert wrote:
> Hi List !

> I tracked it down to ospf_iface_stubby in proto/ospf/iface.c returning
> 1 because IA_HOST bit is set.
> IA_HOST bit is set because in sysdep/linux/netlink.c, in
> nl_parse_addr, ipa_equal(ifa.ip, addr) is true.
> I cannot add a peer IPv6 address on a OpenVPN tun interface (and I
> think that's what's make it work on IPv4 so the ip address output
> looks like:
> pfifo_fast state UNKNOWN qlen 100
>     link/none
>     inet peer scope global tun0
>     inet6 2001:470:e553:1::1/64 scope global
>        valid_lft forever preferred_lft forever
>     inet6 fe80::216:3eff:fe79:ed82/128 scope link
>        valid_lft forever preferred_lft forever

/128 link-local address is strange, why not use usual /64
(e.g. fe80::216:3eff:fe79:ed82/64 on this iface )?

Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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