[c-nsp] Cisco/OSPF/EIGRP/7206/routing

[Scott Altman]

The 10.1.0.0 route is being sourced from somewhere, perhaps not the
router in question?  When you do a 'show ip eigrp topo 10.1.0.0
255.255.255.0' what are the results?

On 4/14/06, Drew Weaver <drew.weaver at thenap.com> wrote:
>
> Observations:
>
> On the router that is exporting routes:
>
> core#sh ip route 10.1.0.0
> Routing entry for 10.1.0.0/24
>   Known via "static", distance 1, metric 0
>   Redistributing via eigrp 1, ospf 1
>   Advertised by eigrp 1 route-map FILTERDEFAULT
>                 ospf 1 subnets route-map FILTERDEFAULT
>   Routing Descriptor Blocks:
>   * 192.168.1.2
>       Route metric is 0, traffic share count is 1
>
> If I remove the redistribute static command from eigrp:
>
> core#sh ip route 10.1.0.0
> Routing entry for 10.1.0.0/24
>   Known via "static", distance 1, metric 0
>   Redistributing via eigrp 1, ospf 1
>   Advertised by ospf 1 subnets route-map FILTERDEFAULT
>   Routing Descriptor Blocks:
>   * 192.168.1.2
>       Route metric is 0, traffic share count is 1
>
> You can see that this router is redistributing this route into eigrp and
> ospf.
>
> On this router's neighbor:
>
> border#sh ip route eigrp | i 10.1.0.0
> D EX 10.1.0.0/24
>
> border#sh ip route ospf | i 10.1.0.0
> border#
>
> ^(this behaviour is expected because a route will only appear in a
> single protocol at a time).
>
> If I look in the ospf database:
>
> border#sh ip ospf database | i 10.1.0.0
> 10.1.0.0   192.168.1.1   885    0x80001707 0xF587   0
>
> The entry does appear.
>
> I suppose the question is:
>
> Why, when I remove the command: redistribute static from the eigrp
> config, on this 7206,
> does the route: 10.1.0.0/24 not appear in OSPF?
>
> Here is a little more background information incase it helps:
>
> 192.168.1.1 is Loopback4 on the 7206 it is used to bond multiple
> interfaces together (Serial).
>
> I have been through and through the configurations on both routers; and
> I wouldn't ask such a ridiculous question if I hadn't.
>
> Does anyone have any insight?
>
> Thanks,
> Andrew
>
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