Re: ip mroute considered a static route?

You might be restricted to the diagram or asked not to do anything more than
asked.

Expect things to be spelled out with the goal of ruling out the unwanted
options.

On Fri, Sep 4, 2009 at 8:23 AM, Robert Steeneken <r.steeneken_at_gmail.com>wrote:

> What's wrong with option 4, that it's not on the blueprint doesn't mean you
> can't use it?
>
> On Fri, Sep 4, 2009 at 2:11 PM, Scott Morris <smorris_at_ine.com> wrote:
>
> > Well... Consider what your options are. In case you have an RPF
> > failure...
> >
> > 1. Pick interfaces that don't cause an RPF failure (possible, but not
> > always within the parameters of your lab, they may require specific
> > interfaces)
> > 2. Use static mroute (hence our discussion, may not be allowed)
> > 3. Go change your IGP to avoid RPF failure (NOT recommended as you
> > already have your IGP points. Be VERY careful if going down this path)
> > 4. Use MBGP's ipv4 multicast address-family (Not part of the v3
> > blueprint, but entirely possible in v4)
> >
> > But just like Joe said, an "ip mroute" has NOTHING to do with static
> > routing. If I were told no, I would carefully consider #1 and #3 above
> > and then go challenge the proctor. (Nicely, of course)
> >
> > HTH,
> >
> >
> >
> >
> > *Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,
> >
> > JNCIE-M #153, JNCIS-ER, CISSP, et al.
> >
> > JNCI-M, JNCI-ER
> >
> > evil_at_ine.com
> >
> >
> > Internetwork Expert, Inc.
> >
> > http://www.InternetworkExpert.com <http://www.internetworkexpert.com/>
> >
> > Toll Free: 877-224-8987
> >
> > Outside US: 775-826-4344
> >
> >
> > Knowledge is power.
> >
> > Power corrupts.
> >
> > Study hard and be Eeeeviiiil......
> >
> >
> >
> >
> >
> > ALL From_NJ wrote:
> > > Interesting Joe ...
> > >
> > > Can we infer then, that if we need to use a static mroute, that our
> > routing
> > > is not correct / taking the wrong paths? Kind of sounds that way ... I
> > > suppose a trip to the proctor is in order.
> > >
> > > Thanks
> > >
> > >
> > >
> > > On Fri, Sep 4, 2009 at 12:22 AM, Joe Astorino <jastorino_at_ipexpert.com
> > >wrote:
> > >
> > >
> > >> Hey Martin,
> > >>
> > >> A static mroute is NOT a static route. They are two completely and
> > utterly
> > >> different things that look the same. With that being said, as far as
> I
> > am
> > >> aware the proctors have now banned the use of static mroute
> specifically
> > so
> > >> you will probably not be able to use them. IF I was in a situation
> > where
> > >> it
> > >> was not forbidden, I would double check with the proctor.
> > >>
> > >> On Fri, Sep 4, 2009 at 12:15 AM, Martin Hogan
> > >> <martin.john.hogan_at_gmail.com>wrote:
> > >>
> > >>
> > >>> Hi all,
> > >>>
> > >>> If you were in a lab situation and were given the rule that you
> aren't
> > >>> allowed to use static routes, yet you had an RPF issue which you
> could
> > >>> easiest resolve with ip mroute blah, would you consider that
> breaching
> > >>>
> > >> the
> > >>
> > >>> rule? Why? Why not?
> > >>>
> > >>> This is prompted by me doing IGP manipulation in order to resolve,
> > >>>
> > >> where-as
> > >>
> > >>> the solution guide just did the ip mroute.
> > >>>
> > >>> Apologies if this has been covered extensively in the past and im
> > >>>
> > >> rehashing
> > >>
> > >>> it however I was unable to find it in the archive. Hopefully im
> better
> > at
> > >>> browsing the Cisco docs :)
> > >>>
> > >>> Cheers for the thoughts.
> > >>>
> > >>> Martin
> > >>>
> > >>>
> > >>> Blogs and organic groups at http://www.ccie.net
> > >>>
> > >>>
> _______________________________________________________________________
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> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >> --
> > >> Regards,
> > >>
> > >> Joe Astorino - CCIE #24347 R&S
> > >> Technical Instructor - IPexpert, Inc.
> > >> Cell: +1.586.212.6107
> > >> Fax: +1.810.454.0130
> > >> Mailto: jastorino_at_ipexpert.com
> > >>
> > >>
> > >> Blogs and organic groups at http://www.ccie.net
> > >>
> > >>
> _______________________________________________________________________
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> >
> >
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>
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>
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-- 
Darby Weaver
Network Engineer
407-802-7394
darbyweaver_at_yahoo.com
Blogs and organic groups at http://www.ccie.net