From: Joseph D. Phillips (josephdphillips@fastmail.us)
Date: Sun Sep 26 2004 - 11:13:21 GMT-3
Although the exam is results-oriented, "minimum configuration" means
just that. A route map, assigning tags, and referencing an access list
is not as compact as a single-line access-list and distribute-list
statement.
The distribute-list statement and access-list for this common
requirement -- filter out evens or odds -- is done in two lines.
On Sun, 26 Sep 2004 14:42:16 +0700, "Chalermchai Hoonpongsimanont"
<david.hoon@gmail.com> said:
> Hi,
>
> Please consider following question .. found many like this on practice
> labs ..
>
> =========================================================
> R1 -- RIP -- R2 -- OSPF -- R3
>
> Configure five loopback interfaces on R1. Give IP address of
> 192.168.x.0/24, where x=1,2,3,4,5. On R1, advertise all loopback into
> RIP domain. Make sure R2 has all five routes to these loopback
> addresses in routing table.
>
> On R2, redistribute RIP into OSPF. Make sure that R3 see only "odd"
> routes. Use minimum of configuration line on R2.
> =========================================================
>
> I understand that this kind of question has an objective to verify
> candidate's understanding of using access-list. The common answer to
> this question is to use access-list on R2. As expected, the lab answer
> use route-map, match ip address from access-list, and apply this
> route-map with redistribution command.
>
> However, using access-list won't use minimum configuration line on R2.
>
> What if I configured R1 to tag all routes I want R2 to redistribute to
> R3 (also use RIP version 2), then on R2, create a route-map to match
> only these tags. I will get the same result, with less configuration
> line.
>
> I heard that proctor use script to verify my configuration. As a
> script kiddy, I think their script will look for my access-list.
> Obviously, the script will not find any on R2.
>
> Will I get the point? If you have only five minutes left, and don't
> have a chance to ask the proctor anymore, which way you guys will use?
>
> Cheers,
> David
>
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