Re: [LARTC] RTNETLINK Problems <ip route> don't work as expected. (I think)

From: Ramin Alidousti <ramin@UU.NET>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] RTNETLINK Problems <ip route> don't work as expected. (I think)
Date: Thu, 28 Jun 2001 23:51:43 +0000	[thread overview]
Message-ID: <marc-lartc-99377234408270@msgid-missing> (raw)
In-Reply-To: <marc-lartc-99376172107487@msgid-missing>

Do you have a route (no default) to that destination? It should work
if you do.

Ramin

On Thu, Jun 28, 2001 at 05:52:33PM -0300, Theo Cabrerizo Diem wrote:

> Hi,
> 
> I have one firewall with 3 ethernet cards, 2 internet links, one cisco 
> 2920 and one problem in RTNETLINK ;o)
> 
> Let me explain my network :
> 
> |             *** Internet Link 1 ***                  *** Internet Link 
> 2 ***
>                 10.1.0.1|        Serial              Serial      | 10.2.0.1
> ||||                         +--------------+            +------------+ 
>      
>                                        |            |
> ||                                       +------------+
>                                10.1.0.2|    CISCO   | 10.2.0.2
>                                        +------+-----+
>                                   192.168.1.1 / 192.168.2.1
>                                               |
>                                 eth2 192.168.1.2/ 192.168.2.1
>                                        +------------+
>                                           FIREWALL
>                                        +-+--------+-+
>                           10.20.0.0  eth0|        |eth1 10.30.0.0
>                                          |        |
>                                  MY DMZ NET      MY CORPORATE NET
> 
> I used reserved IPs for security reasons .. <sorry :o( >
> What I'm trying to do:
> I don't want to use my cisco default route, because I will do some 
> filtering, based on source address, at my firewall to choose wich link 
> to use, so I must add (at my firewall) a default route using my ISP 1 
> end <10.1.0.1> at one routing table, and other default route using my 
> ISP 2 end <10.2.0.1> at another routing table, and do trafic control 
> using iptables/iproute <as described in Advanced Routing how-to>.
> 
> the problem is ... RTNETLINK says Unreachable Network when I try to add 
> a route, using a gateway wich isn't directly connected to my firewall 
> :o(  this is the line I'm trying to use :
> <I know I'm not writing on a specific routing table to do traffic control>
> 
> ip route add default via 10.1.0.1|
> RTNETLINK answers: Network is unreachable
> 
> So ..  I've tried
> ip route add default via 10.1.0.1 nexthop via 192.168.1.1
> RTNETLINK answers: Invalid argument
> 
> Can anyone help me ? If someone need more info, ask me ...  <please 
> reply me at theoc@spread.com.br but I will check this list every day ;o) >
> 
> []'s

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