From: Jerry Hulbert (hulbertj@comcast.net)
Date: Sun Mar 06 2005 - 01:35:23 GMT-3
Just to add to this, make sure that if you add a real IP address to the
Tunnel interface, that you take into account not only IGP issues, but also
any Multicast and other Services/Security issues.
Jerry
----- Original Message -----
From: "Anthony Sequeira" <terry.francona@gmail.com>
To: "Golia, Jeff" <JGOLIA@twportanddistribution.com>
Cc: "Group Study (E-mail)" <ccielab@groupstudy.com>
Sent: Friday, March 04, 2005 10:16 AM
Subject: Re: Outside the box .... Or outside the directions?
> Hi Jeff!
>
> I have been informed from VERY reliable sources that it is just peachy
> to add IP addresses for tunnels when they are needed!
>
> IN FACT - you should find guidelines for doing so in the initial
> instructions of your actual lab.
>
> I think this was just a minor oversight on behalf of the IEWB authors.
>
>
> On Fri, 4 Mar 2005 09:06:39 -0500, Golia, Jeff
> <JGOLIA@twportanddistribution.com> wrote:
> > Hi all,
> >
> > This is a general question, about taking liberties or not following lab
exam
> > directions to the letter.
> >
> > I am currently working through IEWB-RS. All of the labs start out with
"Do
> > not add or change any IP address from the initial config unless
otherwise
> > specified". In lab 4 they want a virtual link through a NSSA (q5.10).
This
> > is resolved by making a GRE tunnel. The GRE Tunnel ints are assigned an
> > arbitrary IP address. OSPF Backbone area is then run across the
tunnel, to
> > eliminate the need for the virtual link.
> >
> > Is it OK to add an IP in this manner, for this purpose? I tried to do
it
> > with IP Unnumbered, but on the ABR which was originally not adjacent to
0,
> > there is no way to then put the gre tunnel int into area 0 (it goes into
the
> > same area that the borrowed IP is from).
> >
> > Similarly, we are extending area 0 here, which is differing from the
> > directions. Is that OK?
> >
> > Thanks and best of luck with your studies.
> >
> > Jeff Golia, CCNP MCSE
> > Network Administrator
> > Transworld Port and Distribution Services
> > Wilmington, Delaware
> >
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