netdev - Re: IPv6 multicast with VRF

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 21 Apr 2022 17:44:29 -0600
From:   David Ahern <dsahern@...il.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: IPv6 multicast with VRF

On 4/21/22 3:24 AM, Vladimir Oltean wrote:
>>>  ip -6 route get ff02::1%eth0
>>> Error: inet6 prefix is expected rather than "ff02::1%eth0".
>>
>> ip -6 ro get oif eth0 ff02::1
>>
>> (too many syntax differences between tools)
> 
> Could you explain why specifying the oif is needed here? If I don't do

multicast and linklocal are local to a device, so you need to specify
which interface to use.

> it, I still can't find the route. Either that, or what would an
> application need to do to find the route from the VRF FIB?

applications bind their sockets to a VRF device or a port device.