From: kevin gannon (kevin@gannons.net)
Date: Sun Oct 09 2005 - 08:46:34 GMT-3
If you need to get networks into ODR to the spokes then use
network statements under router odr on the hub router. Sometimes
its needed if ODR is in the middle of two other protocols and
a default is not allowed/required.
Regards
Kevin
On 10/9/05, Anh P Tran <anhtran81@optusnet.com.au> wrote:
> Hi Mike,
>
> With ODR, the spoke will automatically get the default route from the hub so
> you don't need to generate manually. All you need on the hub is to
> redistribute the odr into your IGP network to get full connectivity. I guess
> an lab would make it better.
>
> R3 is the hub and R1 is the spoke
>
> Rack1R3#show run int s1/2
> Building configuration...
>
> Current configuration : 106 bytes
> !
> interface Serial1/2
> ip address 158.1.13.3 255.255.255.0
> serial restart_delay 0
> clockrate 128000
> End
>
> Rack1R3#show run | inc odr|cdp
> router odr
> cdp timer 5 <<<< This to speed up the cdp
>
> Rack1R1#show run int s0/1
> Building configuration...
>
> Current configuration : 64 bytes
> !
> interface Serial0/1
> ip address 158.1.13.1 255.255.255.0
> End
>
> No special configuration on R1 other than CDP enable which is on by default
> for this interface
>
> Rack1R1#show ip route
> Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> E1 - OSPF external type 1, E2 - OSPF external type 2
> i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
> area
> * - candidate default, U - per-user static route, o - ODR
> P - periodic downloaded static route
>
> Gateway of last resort is 158.1.13.3 to network 0.0.0.0
>
> 158.1.0.0/24 is subnetted, 2 subnets
> C 158.1.13.0 is directly connected, Serial0/1
> C 158.1.1.0 is directly connected, FastEthernet0/0
> 150.1.0.0/24 is subnetted, 1 subnets
> C 150.1.1.0 is directly connected, Loopback0
> o* 0.0.0.0/0 [160/1] via 158.1.13.3, 00:00:01, Serial0/1 <<<< default
> route generated by the hub
>
>
> Rack1R3#show ip route odr
> 158.1.0.0/16 is variably subnetted, 16 subnets, 3 masks
> o 158.1.1.0/24 [160/1] via 158.1.13.1, 00:00:02, Serial1/2
> 150.1.0.0/16 is variably subnetted, 8 subnets, 2 masks
> o 150.1.1.0/24 [160/1] via 158.1.13.1, 00:00:02, Serial1/2 <<<< routes
> learned from the spoke
>
> Rack1R1#ping 150.1.3.3<<< R3 loopback
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 150.1.3.3, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 16/16/20 ms
>
>
> Hope this help, appreciated any comments on this
>
> Anh Tran
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> mikenoc@mindspring.com
> Sent: Sunday, 9 October 2005 6:00 PM
> To: ccielab@groupstudy.com
> Subject: Configuring ODR
>
> I have been playing around with ODR and have a question with this. When
> configuring ODR it looks like the hub gets all of the networks on the
> spokes, but the spokes do not get any networks from the hub. Are the usual
> options to configure a default route on the spoke or is it common to
> redistribute an IGP into the ODR router? I figure its probaby more common to
> just configure a default route on the spokes. Is there a way to send a
> default route to the spokes via the hub ? I didnt see a default information
> originate command.
>
> Thanks,
>
> Mike F.
>
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