>> How goeth ipv6?
>
> IPv6 default route is lost somewhere on the way from kernel to zebra process
> (and not promoted by babeld respectively). I'll try looking at it tomorrow
> and also pulling together some thoughts on the rest of your message.
>
This seems to be caused by a difference in kernel behaviour between current
CeroWrt and, for example, my notebook (3.3.7-1.fc16.x86_64). Plugged into the
same network one after another, they end up with different default routes in
kernel:
(cero)
default via fe80::230:48ff:fed4:63e4 dev ge00 proto kernel metric 1024
expires 1797sec
(notebook)
default via fe80::230:48ff:fed4:63e4 dev em1 proto static metric 1
default via fe80::230:48ff:fed4:63e4 dev em1 proto kernel metric 1024
expires 1786sec
Note the kernel/static route protocol. The established practice of zebra
process used to be ignoring any RTPROT_KERNEL netlink messages. It is not clear
if RTPROT_BOOT/RTPROT_RA should be used for a RA-originated route, but
RTPROT_STATIC does the job in the latter case anyway and the default route
reaches zebra. In the former case the default route is effectively isolated
from zebra.
Does anybody know where this difference comes from?
--
Denis Ovsienko
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