From: CCOnlineLabs.com (tschaffran@cconlinelabs.com)
Date: Thu Dec 05 2002 - 16:46:58 GMT-3
What would be the purpose to use summary-address to inject a default route?
Is there some documentation somewhere that suggests this?
Tony Schaffran
CCOnlineLabs.com
http://www.cconlinelabs.com
----- Original Message -----
From: <rafael.valiente@bt.es>
To: <ccielab@groupstudy.com>
Sent: Thursday, December 05, 2002 10:01 AM
Subject: RIP-OSPF redistribute
> Hello
>
> I have one router running rip and ospf and I'would like to redistribute
rip
> into ospf but as summary to 0.0.0.0.
>
> Of course I have several rip routes into the routing table.
>
> Config used is:
>
> router ospf 1
> summary-address 0.0.0.0 0.0.0.0
> redistribute rip metric 40 subnets
> network 133.1.14.1 0.0.0.0 area 0
> default-information originate
>
>
> debug ip ospf adj show how the router generates a LSA for route 0.0.0.0/0:
>
> .Dec 5 18:42:13.338: OSPF: Generate external LSA 0.0.0.0, mask 0.0.0.0,
> type 5,
> age 0, metric 40, tag 0, metric-type 2, seq 0x80000001
>
>
> about 5 seconds later, another with infinity metric to remove it from the
> database:
>
> .Dec 5 18:42:19.318: OSPF: Generate external LSA 0.0.0.0, mask 0.0.0.0,
> type 5,
> age 3600, metric 16777215, tag 1, metric-type 2, seq 0x80000002
>
> Routing table show default route as ospf intra-area:
>
> O* 0.0.0.0/0 is a summary, 00:01:20, Null0
>
> And there is not a entry for 0.0.0.0/0 in the ospf database
>
> Type-5 AS External Link States
>
> Link ID ADV Router Age Seq# Checksum Tag
> 100.200.1.0 133.1.4.4 1508 0x80000003 0x6879 0
> 199.172.0.0 133.1.4.4 1509 0x80000003 0xB8E2 0
>
> I suppose that there is a conflict between summary and default-originate
> process, because summary is generating a 0.0.0.0/0 route as intra-area
type
> and default-originate is expecting a non ospf route. Anyone can confirm
this
> ?
>
> Any idea to get this type of redistribution/summary ?
>
> Thanks
>
> Rafa
>
>
>
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