From: Adel Karim (adelkarim@gmail.com)
Date: Mon Mar 17 2008 - 10:49:38 ART
Hi Emil,
You should look for the default route in the routing table of the router
receiving the updates not the router originating the default route.
HTH
Adel Karim Mansour
On Mon, Mar 17, 2008 at 3:08 PM, YourPal <dearprudence28@gmail.com> wrote:
> Hi Group,
>
> Below is the link to the OSPF "default-information originate" command:
>
>
> http://www.cisco.com/en/US/docs/ios/12_3/iproute/command/reference/ip2_c1g.html#wp1038457
>
> My config is as follows:
>
> R1:
> !
> router ospf 1
> default-information originate route-map OSPF_COND_DEFAULT
> !
> route-map OSPF_COND_DEFAULT permit 10
> match ip address prefix-list VLAN501
> !
> ip prefix-list VLAN501 seq 5 permit 50.1.0.0/16
> !
>
> My understanding from DocCD is, without the "always" keyword the default
> network must reside in the routing table, and you must satisfy the
> route-map
> before the software generates a default route into the OSPF routing
> domain.
>
> In my config, I don't use the "always" keyword and I include a route-map
> which "tracks" int Lo501. The router doesn't have an existing default
> route.
> Contrary to my understanding, it generates a default route into OSPF.
>
> Results below:
>
> R1#sh ip ro 50.1.0.0
> Routing entry for 50.1.0.0/16
> Known via "connected", distance 0, metric 0 (connected, via interface)
> Redistributing via ospf 1
> Advertised by bgp 1
> Routing Descriptor Blocks:
> * directly connected, via Loopback501
> Route metric is 0, traffic share count is 1
>
> R1#sh ip ro 0.0.0.0
> % Network not in table
>
> R1#sh ip os da
> OSPF Router with ID (201.1.1.1) (Process ID 1)
>
> Type-5 AS External Link States
>
> Link ID ADV Router Age Seq# Checksum Tag
> 0.0.0.0 201.1.1.1 1021 0x80000001 0x000ED7 1
>
>
> I believe I understand the concept wrongly. Anyone kindly share your view?
>
>
> Thank you.
>
> BR,
> Emil
>
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-- Regards Adel Karim Mansour CCIE# 20147 R&S
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