netdev - Re: question about configuring multiple interfaces on a host within the same ipv6 sub-net

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 linux-cve-announce 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]

Message-ID: <2abd4f99-02d7-1415-aeb3-bca3e3b7be84@gmail.com>
Date:   Sat, 24 Jul 2021 19:32:54 -0700
From:   hui wang <huiwangforfbjob@...il.com>
To:     netdev@...r.kernel.org
Subject: Re: question about configuring multiple interfaces on a host within
 the same ipv6 sub-net

On 7/23/21 11:15 PM, hui wang wrote:
> Hi All
>
> I have an host (running centos8), it has multiple interfaces 
> connecting to the same IPv6 sub-net. Different IPv6 addresses are 
> statically assigned to these interfaces. All these interfaces are 
> assigned with the same gateway address.
>
> I'd like to config the routing policy so that:
>
>     All packets with source IP address specified goes out via the 
> interface where the source IP address was assigned to.
>     When source IP address is not specified by application. (ex. TCP 
> sync packet)

when connect() called without binding to an ip address

> , different interfaces' IP address is picked (as source IP address) 
> randomly (if the destination IP address is different).
>
> How do I config routing policy to achieve these in such an environment.
>
> Please let me know if there are more appropriate mail lists for my 
> question.
>
> Thanks,
>
> Hui
>