[systemd-devel] [SPAM] Re: Custom options and passing options via command line.

[Kamil Jońca]

Kamil Jońca <kjonca at fastmail.com> writes:


> Let's see.
> from SYSTEMD.NETWORK(5)
> ...
> IPMasquerade=   
>            Configures IP masquerading for the network interface. If
>            enabled, packets forwarded from the network interface will be
>            appear as coming from the local host.
> ....
>
>
> I still do not know what mean "local host" here. I guess that this will
> be interface address.  :) 
>
> I still do not know if this is rather "snat" or rather "masquerade". How
> can I decide which to use. And what engine is used here.
>

Another question:
1. "partial nat"
   3 interfaces  qemu1 , qemu2, and eth
   I want to nat treffic from qemu1 via eth but not qemu2
   (NB this is the place, where I use mu custom option in
   /etc/network/interfaces which means "NAT this traffic" )

2. nat based on destination network.

I want to nat only traffic to say, 192.168.10.0/24, leaving rest
untouched. (This is case when I have ipsec tunnel and I want to nat only
traffic to other endpoint)

How to do it?

KJ


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