Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.user > #256210

Re: debian server with two public IPs

Show all headers | View raw

On 20/3/23 16:39, Stanislav Vlasov wrote:
> 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).
>
> 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

I get the impression the problem is to send return traffic back out on 
the interface it came in on.

In that case I image connection tracking would be used but I'm not 
expert enough to suggest an optimal solution.

-- 
Jeremy
(Lists)

Back to linux.debian.user | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

debian server with two public IPs fh@dnsbed.com - 2023-03-20 08:40 +0100
  Re: debian server with two public IPs <tomas@tuxteam.de> - 2023-03-20 09:30 +0100
  Re: debian server with two public IPs Stanislav Vlasov <stanislav.v.v@gmail.com> - 2023-03-20 09:50 +0100
    Re: debian server with two public IPs Jeremy Ardley <jeremy@ardley.org> - 2023-03-20 10:20 +0100
      Re: debian server with two public IPs <tomas@tuxteam.de> - 2023-03-20 10:30 +0100
        Re: debian server with two public IPs Jeremy Ardley <jeremy@ardley.org> - 2023-03-20 10:50 +0100
    Re: debian server with two public IPs fh@dnsbed.com - 2023-03-21 01:00 +0100
  Re: debian server with two public IPs Tim Woodall <debianuser@woodall.me.uk> - 2023-03-20 11:30 +0100

csiph-web