Kernel protocol and IPv6 route issue with Bird 2.0

Ondrej Zajicek santiago at crfreenet.org
Wed Sep 11 16:23:27 CEST 2019


On Wed, Sep 11, 2019 at 12:31:16PM +0000, Nigel Kukard wrote:
> Hi guys,
> 
> I'm having an issue where IPv6 routes from the kernel routing table
> don't appear to end up in my t_kernel6 table. Despite the next-hop being
> link-local and the interface being UP.
> ...
> Here is the error I'm getting in my logs and fc11::/64 is not being
> shown in my t _kernel6 table...
> 
> 2019-09-11 11:40:36.653 <ERR> KRT: Received route fc11::/64 with strange
> next-hop fc10::2
> ...
> Here is the kernel routing table 'ip -6 route'...
> 
>  fc00::/64 dev eth0 proto kernel metric 256 pref medium
>   fc10::/64 dev eth1 proto kernel metric 256 pref medium
>   *fc11::/64 via fc10::2 dev eth1 metric 1024 pref medium*
>   fe80::/64 dev eth0 proto kernel metric 256 pref medium
>   fe80::/64 dev eth1 proto kernel metric 256 pref medium

Hi

Works for me:

bird> show route  table t_kernel6
Table t_kernel6:
fc11::/64            unicast [kernel2 16:20:13.398] (10)
    via fc10::2 on eth0

What is your 'show interfaces' status?

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
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"To err is human -- to blame it on a computer is even more so."



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