I do not read lab when I answer
Summary-external means " any external routes to any protocol"
If they belong to same supernet, does any of your internal subnet falls within
the range if you summarize the external routes ? If not then summarize
Date: Sun, 30 Aug 2009 09:17:04 -0700
Subject: Re: [OSL | CCIE_RS] Volume 3 - Lab 5, redistribution
From: [email protected]
To: [email protected]; [email protected]; [email protected]
Prakash,
Thanks for your reply! Yes, they do belong to the same supernet. In addition
to, “summary-external” would be applicable to the redistribution into OSPF, not
EIGRP. In this case EIGRP domain receives the more specific routes.
Cheers,
Stan
On 8/30/09 9:01 AM, "prakash patel" <[email protected]> wrote:
If they belong to the same super net , then you should worry and ask. But if
not , then do "summary-external"
Date: Sun, 30 Aug 2009 08:56:38 -0700
From: [email protected]
To: [email protected]
Subject: [OSL | CCIE_RS] Volume 3 - Lab 5, redistribution
Hi everybody!
I am sure I am probably overreading the Volume 3 - Lab 5 questions, but here is
the dilemma:
1.) Task 3.6: redistribution as needed to ensure all interfaces are reachable
from all devices - PG and Video walktrhough both solve it by enabling mutual
redistribution on R4, R5,R8. However this will bring all more specific networks
from BB2 into the topology. Task 3.3 (OSPF), does asks us to summarize those
same BB3 networks in such a way that : the rest of the topology sees a single
route for the networks from the backbone". Now if the question was " the rest
of the OSPF domain" or something similar, no problem there.
How do we approach such a discrepancy at exam time? Would that be a legit
proctor question?
2.) I simply solved it to both cover Task 3.3 and Task 3.6 by not
redistributing OPSF into EIGRP on R5. Reachability is still maintained (yes,
suboptimal routing), but BB2 networks are only seen as a single summary
throughout the topology. Since there is no requirement for redundancy, I think
this should be a valid solution or am I missing something?
Any thoughts would be appreciated.
Thanks,
Stan
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