From: Scott Morris (smorris@ipexpert.com)
Date: Mon Jun 18 2007 - 13:31:56 ART
I didn't say it wasn't easier! I just said pick the easiest solution! In
real life we do simply that, the easy way. In the lab, we have to pay
attention to all the inane rules to make sure we pick the PROPER solution,
not just one that works!
Scott
-----Original Message-----
From: Salau, Yemi [mailto:yemi.salau@siemens.com]
Sent: Monday, June 18, 2007 12:17 PM
To: smorris@ipexpert.com; CCIE SG
Cc: Jason Guy (jguy); anthony.sequeira@thomson.com
Subject: RE: Meaning of advertise
I wonder Scott,
Personally, I hate that method, although I know it (I have a very good
senior colleague of mine who love it)
Certainly, it's not easier than network esp in situations where you want to
"activate" OSPF on multiple interfaces ... So you have to go round all of
them ... Consider a production environment where you've got 30 ospf
interfaces on a single router.
Also, if you made a mistake and want to correct it you will have to go round
all the interfaces ... This my friend, is not easier than network command in
this respect.
Many Thanks
Yemi Salau
-----Original Message-----
From: Scott Morris [mailto:smorris@ipexpert.com]
Sent: 18 June 2007 17:12
To: 'Jason Guy (jguy)'; Salau, Yemi; 'CCIE SG'
Subject: RE: Meaning of advertise
Why would that be any easier than "network x.x.x.x y.y.y.y area z" ? ;)
Lab Paranoia. Not uncommon!
Scott
-----Original Message-----
From: Jason Guy (jguy) [mailto:jguy@cisco.com]
Sent: Monday, June 18, 2007 12:07 PM
To: smorris@ipexpert.com; Salau, Yemi; CCIE SG
Subject: RE: Meaning of advertise
All very good points. :) I suppose I should have picked "advertise into
protocol X" as my examples... I was just messing around in ospf when I
thought of the question. :)
So they typically do not allow you to use the "ip ospf X area Y"
interface command? I guess that would be a little too easy. :)
Cheers,
Jason
> -----Original Message-----
> From: Scott Morris [mailto:smorris@ipexpert.com]
> Sent: Monday, June 18, 2007 11:59 AM
> To: 'Salau, Yemi'; Jason Guy (jguy); 'CCIE SG'
> Subject: RE: Meaning of advertise
>
> Not to belabor something you may find obvious... But if you
redistribute
> a
> route, it is not part of an area. :)
>
> So I'd look to the network statement, or the interface-based command
in
> 12.4.
>
> Don't spend too much time looking for random hidden issues.
Experience
> will
> let you know all the hidden things, which are typically related to
> inter-working of scenario questions, not any one single thing like
> advertising a route!
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
JNCIE
> #153, CISSP, et al.
> CCSI/JNCI-M/JNCI-J
> VP - Technical Training - IPexpert, Inc.
> IPexpert Sr. Technical Instructor
>
> A Cisco Learning Partner - We Accept Learning Credits!
>
> smorris@ipexpert.com
>
> Telephone: +1.810.326.1444
> Fax: +1.810.454.0130
> http://www.ipexpert.com
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Salau, Yemi
> Sent: Monday, June 18, 2007 11:16 AM
> To: Jason Guy (jguy); CCIE SG
> Subject: RE: Meaning of advertise
>
> Hiyah,
>
> I'm not a great fan of asking Proctor questions, From experience,
Proctors
> don't offer me what I never knew in the Lab. I've heard someone said a
> Proctor in far east told a candidate that the candidate has got a
better
> knowledge of English than himself.
>
> Now to the point of the question: When the question says advertise a
lo0
> into area x, I wouldn't waste much time as one of the ways to do this
> (Like we all know) is to activate OSPF on that lo0 {Although this
> comes into OSPF as /32 by default with an ospf network type of
> loopback ...
> Again like we all know)
>
> Another way to do this will be to redistribute connected into OSPF
with a
> route-map matching only this lo0 (yet again, like we all know)
>
> I know there are ways to go about this even if we're restricted not to
use
> the network/redistribution method. One of which will be the interface
> command "ip ospf <pid> area <areaid> ... Although you're almost
forbidden
> to
> use this command if there is no restriction. I'm also sure there are
other
> ways to advertise a network into ospf.
>
> Bottom Line:
> ADVERTISE: From my own point of view, the word advertise simply means,
let
> other non-directly connected OSPF routers see an OSPF Route in their
> routing table to get to the Lo0 of the Specific Router in question.
> (So,
you're
> advertising your lo0 to them!!!!)
>
> This could either be /32(default) or /24 (if required)
>
>
> With regards to Asking Proctor Questions in the Lab, this is my own
> opinion and I seriously believe there are so much nice proctors out
> there,
only
> that
> they are not allowed to give you a solution to questions, some give
clues
> and narrow down your options when questions don't specify, but you
know
> what? I'm yet to meet such a Proctor!!!
>
> Many Thanks
>
> Yemi Salau
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Jason Guy (jguy)
> Sent: 18 June 2007 15:40
> To: ccielab@groupstudy.com
> Subject: Meaning of advertise
>
> Hi group,
>
> This may be a dumb question but I will ask anyway. :)
>
> If a requirement/task/question uses the term "advertise", as in
advertise
> the loopback into area x, for example. Does "advertise" in this case
mean
> use any means necessary to get the address/prefix into the protocol
> (network statement, redistribute, etc)? Obviously if there are
> restrictions in
the
> lab, it limits the scope. I was just wondering if there is a right or
> wrong interpretation of this term when there are no restrictions. I
interpret
> it
> as bring the prefix into the routing protocol. Maybe this is a
proctor
> question if it comes up?
>
> Jason
>
>
This archive was generated by hypermail 2.1.4 : Sun Jul 01 2007 - 17:24:49 ART