From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Alexandru Dragoi Subject: Re: iptables -A OUTPUT --set-mark , routing Date: Thu, 22 Jul 2004 12:09:15 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <3063e504072203097839f9b1@mail.gmail.com> References: <40FE316C.50109@belkam.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <40FE316C.50109@belkam.com> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: netfilter@lists.netfilter.org First, for marks, use hexa numbers, like --set-mark 0x80 and .. fwmark 0x80 I don;t know what proto static nexthop is, i dont use them :) Make sure you did an ip route flush cache On Wed, 21 Jul 2004 14:03:40 +0500, Dmitry Melekhov wrote: > Hello! > > I need to route traffic to specific port from localhost to specific gateway. > > I'm testing this on icmp. > > I wrote rules: > > iptables -t mangle -A OUTPUT -p icmp -j MARK --set-mark 80 > ip rule add prio 221 table 221 fwmark 80 > ip route add default table 221 proto static nexthop via 192.168.22.221 > dev eth0 > > Then I try to ping something from different subnet: > > ping 10.1.1.1 > connect: Network is unreachable > > If I add rule > iptables -t mangle -A PREROUTING -p icmp -j MARK --set-mark 80 > > Then I can successefully ping 10.1.1.1 from another host (my host is > default gw for it, it's address is 192.168.22.229). > > Hmmm. > > How can I route marked packets from localhost? > > ping 10.1.1.1 > PING 10.1.1.1 (10.1.1.1) from 192.168.22.254 : 56(84) bytes of data. > From 192.168.22.229: icmp_seq=1 Redirect Host(New nexthop: 192.168.22.221) > >