Re: debian server with two public IPs

[Stanislav Vlasov <stanislav.v.v@gmail.com>]

пн, 20 мар. 2023 г. в 12:33, <fh@dnsbed.com>:

> I have a networking question that I can't understand for.
> I have the Debian 11 host with two ethernet cards.
> There is public IP and gateway for each ethernet card.
> (they are public IPs from two different net address blocks.)
[...]
> When clients from outside access eth1 ip (such as HTTP access), they can
> reach there.
> But, the returned packages from debian server to clients are always
> coming from eth0 gw.
> I expect the returned package also come from eth1 gw (since clients are
> accessing eth1 address).

> How can I setup this? Thanks for any hints.
>

https://lartc.org/ will help you.
Exactly https://lartc.org/howto/lartc.rpdb.multiple-links.html
In my same setup i was add some 'up ip rule add ...' lines into
/etc/network/interfaces

-- 
Stanislav