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From: Stephane Ouellette <ouellettes@videotron.ca>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Problem routing packets using fwmark and netfilter
Date: Mon, 07 Oct 2002 22:21:52 +0000	[thread overview]
Message-ID: <marc-lartc-103402934912109@msgid-missing> (raw)
In-Reply-To: <marc-lartc-103400817319577@msgid-missing>

Ramin Alidousti wrote:
> On Mon, Oct 07, 2002 at 12:28:46PM -0400, Stephane Ouellette wrote:
> 
> 
>>MY PROBLEM
>>----------
>>
>>Suppose I want to do some policy routing using the fwmark as a routing 
>>key. I should have entered the following commands:
>>
>>iptables -t mangle -A OUTPUT -o eth0 -p icmp --icmp-type \
>>-d $TESTMACHINE1 -j MARK --set-mark 1
>>iptables -t mangle -A OUTPUT -o eth1 -p icmp --icmp-type \
>>-d $TESTMACHINE2 -j MARK --set-mark 2
> 
> 
> I'd remove the '-o' option as you don't know yet where the packets
> would be routed to.
> 
> Ramin
> PS. You forgot the --icmp-type argument. Did your linux box take
> these commands?
> 

Ramin,

   I mistyped the commands I entered. In fact, you should read:

iptables -t mangle -A OUTPUT -p icmp --icmp-type echo-request \
-d $TESTMACHINE1 -j MARK --set-mark 1
iptables -t mangle -A OUTPUT -p icmp --icmp-type echo-request \
-d $TESTMACHINE2 -j MARK --set-mark 2

Stephane


> 
> 
>>ip rule add fwmark 1 table lan1
>>ip rule add fwmark 2 table lan2
>>
>>Now, pinging $TESTMACHINE1 or $TESTMACHINE2 always uses the same 
>>gateway! The iptables rule counters increment as expected but it seems 
>>that the fwmark has no effect on routing !!!
>>
>>
>>MY CONFIGURATION
>>----------------
>>
>>RedHat 7.2 on i686
>>Kernel 2.4.20-pre9 (all options related to advanced routing are enabled)
>>Today's CVS snapshot of the Netfilter project
>>
>>
>>
>>Any suggestion would be greatly appreciated !!!
>>
>>Stephane.
>>
>>
>>_______________________________________________
>>LARTC mailing list / LARTC@mailman.ds9a.nl
>>http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
> 
> 



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http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

  parent reply	other threads:[~2002-10-07 22:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-07 16:28 [LARTC] Problem routing packets using fwmark and netfilter Stephane Ouellette
2002-10-07 17:11 ` Ramin Alidousti
2002-10-07 22:21 ` Stephane Ouellette [this message]
2002-10-07 23:51 ` Ramin Alidousti

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