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From: seentr@at.encryp.ch
To: netfilter@vger.kernel.org
Cc: Dmitry <onyx@z-up.ru>
Subject: Re: NAT to multiple ranges
Date: Tue, 27 Jun 2023 20:34:39 +0000 (UTC)	[thread overview]
Message-ID: <a4ca1b1d-d1f1-42b7-aceb-72cc7e629f64@at.encryp.ch> (raw)
In-Reply-To: <5fc45938-1c10-a5fd-bf3d-0d358bbd02eb@z-up.ru>

You may try to use Load balancing features to use both of your rules: https://wiki.nftables.org/wiki-nftables/index.php/Load_balancing

2023-06-27T20:31:32Z Dmitry <onyx@z-up.ru>:

> Hello!
> 
> I have lan network like 10.10.0.0/16 and two sets of external addresses like 1.1.1.0/24 and 2.2.2.0/24. How to perform nat to use all my external addresses? Now i have rules like
> 
> add rule ip nat POSTROUTING oifname "vlan3" ip saddr 10.10.0.0/16 counter snat to 1.1.1.0-1.1.1.255 persistent
> 
> add rule ip nat POSTROUTING oifname "vlan3" ip saddr 10.10.0.0/16 counter snat to 2.2.2.1-2.2.2.255 persistent
> 
> But,as expected, only first rule works. I need something like this:
> 
> add rule ip nat POSTROUTING oifname "vlan3" ip saddr 10.10.0.0/16 counter snat to 1.1.1.0-1.1.1.255,2.2.2.1-2.2.2.255 persistent
> 
> But it is not supported.
> 
> Also, i've tried to use names sets like this:
> 
> add set ip nat ext_addr {type ipv4_addr;  flags interval; elements={1.1.1.0-1.1.1.255,2.2.2.1-2.2.2.255} ;}
> 
> But
> 
> nft 'add rule ip nat POSTROUTING oifname "vlan3" ip saddr 10.178.0.0/16 counter snat to @ext_addr persistent'
> Error: unknown raw payload base
> add rule ip nat POSTROUTING oifname "vlan3" ip saddr 10.178.0.0/16 counter snat to @ext_addr persistent
> 
> 
> With all respect!

      reply	other threads:[~2023-06-27 20:34 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-27 20:21 NAT to multiple ranges Dmitry
2023-06-27 20:34 ` seentr [this message]

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