BIRD

[Ondrej Feela Filip]

On Thu, 6 Jul 2000, Xavier Lujan wrote:

> 
> Hello Martin, Libor, Pavel, and Filovy,

(Actally my name is Ondrej Filip) :-)

> 
> 
> Please help me, I'm desperate for a solution !!!

Dear Xavier,

> 
> 
> I'm using one of your creations, BIRD, as my Linux RedHat 6.2 
> routing daemon. Nice job !! I do, however, have a problem with 
> the latest version of BIRD.

Thank you.

> 
> 
> My 2 Linux boxes have 3 network cards each. The topology of my
> network is as follows:
> 
>            
>          eth0    eth1                       eth1    eth0 
>         -----BOX1-----------Internet------------BOX2----
>  10.14.14.0/24 | 42.220.20.1         42.220.22.1  | 10.12.12.0/24
>                |                                  |
>                |eth2                              |eth2
>                |                                  | 
>          10.122.32.1                         10.122.42.1  
> 
> 
> Based on the network above, I'm commanding BIRD to export the 
> routes from eth0 and eth2, and to restrict eth1.

OK.

> 
> My problem is that BIRD is using eth1 as the default route for 
> eth0 network.  I actually want BIRD to use eth2 as the gateway
> for eth0.  I'm able to do this with Merit-GATED, however, Merit-GATED
> is full of problems and basically unusable.
> 
> 
> The strange thing is that each box, BOX1 and BOX2, show up a different
> routing table when I execute the route command:
> 
> 
> ----------- route command output ------------
> 
> BOX1: (abbreviated)
> 
> Destination      Gateway       Iface
> 10.14.14.0/24    42.220.20.1   eth1 
> 
> 
> BOX2: (abbreviated)
> 
> Destination      Gateway       Iface
> 10.12.12.0/24    10.122.42.0   eth2 
                  ^^^^^^^^^^^^^
                  Should be 10.122.42.1, shoudln't?

> 
> ---------------------------------------------
> 
> 
> BOX2 routing is what I was expecting, and it is correct.  
> BOX1 routing is incorrect, not what I expected. I can't explain 
> why BOX1 has a different routing that BOX2; each BOX have identical
> builds and configuration files (with the obvious IP differences).
> 
> My question is:  How can I force BIRD to use eth2 as the Gateway
> for the network in eth0 ???  
> 
> Is this a bug in BIRD?, or is BIRD not capable of handling this

I don't think it's a bug in BIRD.

> interesting configuration. Yes, I do have a strange configuration
> that requires eth0 network to be routed to eth2, but that's another
> story.
> 
> 
> Here are the bird.conf files for BOX1 and BOX2, respectively:
> 

Change configuration like this:

> 
> BOX1:
> ---------------------------------------------------------- 
> protocol direct {
>         interface "*";
> }
>  
> protocol device {
>         scan time 10;
> }
>  
> protocol static{
>         route 0.0.0.0/0 via 42.220.20.1;
> }

? Here should be IP of some next hop.

>  
> protocol kernel {
>         learn;
>         persist;
>         scan time 20;
>         export all;
> }
>  
> protocol ospf {
>         area 0.0.0.0 {
>                 interface "*" {
>                         type broadcast;
>                         authentication simple;
>                         password "xavier";
>                 };
>         };
>         export all;
>         import all;
> }
> ----------------------------------------------------------

--- just OSPF: ---
	area 0 {
		interface "eth0", "eth1" {
			authentication simple;
			password "xavier";
		};
		interface "eth2" {
			authentication simple;
			password "xavier";
			cost 9;
		};
	};

---            ---

> 
> 
> BOX1:

Hope you mean BOX2.

> ---------------------------------------------------------- 
> protocol direct {
>         interface "*";
> }
>  
> protocol device {
>         scan time 10;
> }
>  
> protocol static{
>         route 0.0.0.0/0 via 42.220.22.1;
> }
>  
> protocol kernel {
>         learn;
>         persist;
>         scan time 20;
>         export all;
> }
>  
> protocol ospf {
>         area 0.0.0.0 {
>                 interface "*" {
>                         type broadcast;
>                         authentication simple;
>                         password "xavier";
>                 };
>         };
>         export all;
>         import all;
> }
> ---------------------------------------------------------
> 
> 
> 
> Pleae, I'm desperate for a solution. 
> 
> Please help :(

		Kind regards
				Fila

> 
>  
> 
> Xavier Lujan
> Software Engineer 
> xlujan at cityisp.net 
> 
> 
> 
> 
> 
> 
> 
> 
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> 
>       
> 

-- 
Ondrej Feela Filip