Linux Netfilter discussions
 help / color / mirror / Atom feed
From: "John A. Sullivan III" <john.sullivan@nexusmgmt.com>
To: Tomek Macioszek <tomekm@cea.pl>
Cc: Netfilter <netfilter@lists.netfilter.org>
Subject: Re: multiple mapping
Date: Wed, 01 Sep 2004 07:07:14 -0400	[thread overview]
Message-ID: <1094036834.2045.2.camel@localhost> (raw)
In-Reply-To: <006701c48ff9$9627b5b0$2a245cc2@cea05>

On Wed, 2004-09-01 at 03:59, Tomek Macioszek wrote:
> Hi
> I have my FIREWALL BOX with address 4.3.2.1 (eth0) and local address 192.168.10.0/24.
> Now I have SNAT:
> iptables -t nat -A POSTROUTING -s 192.168.10.0/24 -o eth1 -j SNAT --to 4.3.2.1
> I would like to make SNAT with i.e two external address.
> iptables -t nat -A POSTROUTING -s 192.168.10.0/28 -o eth1 -j SNAT --to 4.3.2.1
> iptables -t nat -A POSTROUTING -s 192.168.10.128/28 -o eth1 -j SNAT --to 4.3.2.2. It is good solution? Should I make alias for eth0 with address 4.3.2.2?
> Thanks for help and sorry for my English.
> Best regards
> T.  
Yes, that should work fine.  You will need to bind the address to eth0
so that it responds to ARP requests:
ip address add 4.3.2.2/?? dev eth0
Are you sure about the 28 bit mask for the subnets? It looks like you
want /25 unless you are hiding some of your addresses.  Good luck - John
-- 
John A. Sullivan III
Chief Technology Officer
Nexus Management
+1 207-985-7880
john.sullivan@nexusmgmt.com
---
If you are interested in helping to develop a GPL enterprise class
VPN/Firewall/Security device management console, please visit
http://iscs.sourceforge.net 



  reply	other threads:[~2004-09-01 11:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-01  7:59 multiple mapping Tomek Macioszek
2004-09-01 11:07 ` John A. Sullivan III [this message]
     [not found]   ` <007f01c49015$9544e610$2a245cc2@cea05>
2004-09-01 11:33     ` John A. Sullivan III
2004-09-01 16:44 ` Jose Maria Lopez

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1094036834.2045.2.camel@localhost \
    --to=john.sullivan@nexusmgmt.com \
    --cc=netfilter@lists.netfilter.org \
    --cc=tomekm@cea.pl \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox