Re: OSPF redistribution into eBGP

R1(config-router)#do show version | i IOS
Cisco IOS Software, 3600 Software (C3640-IK9O3S-M), Version 12.4(23),
RELEASE SOFTWARE (fc1)
R1(config-router)#

 i'm trying in Dynamips..

On Tue, Jan 25, 2011 at 3:59 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar>wrote:

> What version of IOS are you running @ R1 ?
> It used to be the case that the default route was filtered by default.
> You would need a network statement (BGP) to enable it, or a neighbor
> default-originate to clamp it.
> Default route can be tricky at times. Most protocols have special
> treatment one way or the other, for a reason.
> -Carlos
>
> Usha Rani @ 25/01/2011 04:49 -0300 dixit:
>
>> Hi,
>> I have a question on OSPF redistribution into BGP.
>>
>>
>> R2----ospf----R1---BGP-----R3
>>
>>
>>
>>
>>
>> 1. Configured OSPF between R1 and R2
>>
>> 2. Advertised R2 s loopback in OSPF also R2 is advertising
>> default-route always.
>>
>> 3. Configured eBGP between R1 and R3
>>
>> 4. In R1, Redistributed ospf routes into BGP (redistribute ospf 1
>> match internal external 1 external 2)
>>
>> 5. In R3, its observed that all the OSPF routes have been
>> redistributed into BGP, except the default-route.
>>
>>
>>
>> P.S: If I configure EIGRP between R1 and R3 and redistribute OSPF into
>> EIGRP, even the default-route is getting redistributed into EIGRP.
>>
>>
>>
>> *Is this the expected behavior?*
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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>>
>>
> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina

Blogs and organic groups at http://www.ccie.net
Received on Tue Jan 25 2011 - 16:02:29 ART