From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Tue May 15 2007 - 17:30:38 ART
If you peered via the directly connected interfaces or via the loopbacks but
the lab doesn't care how you peered then it doesn't matter. Don't try to
apply real world best practices to the CCIE lab. You are not going to be
graded on "real world" best practices or design in the lab.
I've worked for a couple tier 1 ISPs over the years and I can tell you that
you can't make a blanket statement like "always peer iBGP using the loopback
interfaces". If someone makes that statement more than likely they don't
have a lot of real world ISP experience.
When given a task think about all of the options that meet the requirements
and implement the simplest option. That being said you may notice workbook
solutions that use "best practices" but it doesn't mean that other options
are incorrect.
HTH,
Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
bdennis@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 775-745-6404 (Outside the US and Canada)
On 5/15/07 12:35 PM, "premkumar somasundaram"
<premkumar.somasundaram@gmail.com> wrote:
> Group,
> I have seen lot of posts regarding the over configuration on the routers.
> CCIE gurus have always instructed that we should configure only what is
> asked. But I have seen two labs where in the question is asked to just
> configure BGP peering between R1 &R2. On the solution book, it is configured
> as peering between loopbacks. Is there any reason behind it ?? I agree that
> this is too subjective. Just curious whether any has come across this
> situation.
>
> Thanks
> Prem
>
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