Set SRC PREF for routes when injecting routes to kernel

[Alexander Zubkov]

Hi,

You can set krt_prefsrc when exporting to kernel in Linux.

On Mon, Jan 15, 2018 at 8:49 AM, Michael Rack <mail at michaelrack.de> wrote:

> Hi all!
>
> Is it possible to set the SRC-Attribute on routes that will be inserted to
> kernel?
>
> I have private /31 networks to connect to other routers in my network and
> i don't want to see these private ip-addesses on a traceroute from a
> network with public ips. Every Router have a public IP-Address on his
> Loopback-Interface, so i can use that address for ICMP-Replies.
>
> Lets say 78.22.45.0/24 and 78.22.46.0/24 is my public network address
> space.
>
> router#1.lo = 78.22.46.1/32
> router#1.eth1 = 10.0.0.1/31
>  ----- eBGP -----
> router#2.eth1 = 10.0.0.2/31
> router#2.eth2 = 78.22.45.1/24
> router#1.lo = 78.22.46.2/32
>
> On traceroutes i like to reply from a specific ip-address. In case of
> router#1 with 78.22.46.1 and for router#2 with 78.22.46.2
>
> On Unix / Linux you can accomplish that feature with
> router#1# ip route add 78.22.45.0/24 via 10.0.0.2 src 78.22.46.1
>
> So how can i set "src" with bird on import route filtering process?
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://trubka.network.cz/pipermail/bird-users/attachments/20180115/f9be8ef4/attachment.html>