Re: Newbe question - Relevance of OSPF

Welcome my friend.

BTW, the process IDs can be different, and if they are different, you can
always use the "Domain-id" command to set the domain ids to match.

On Tue, May 3, 2011 at 5:12 PM, Larry Hadrava <larryh12203_at_gmail.com> wrote:

> Johnathan:
> You are in good company. We all learn something every day. If we don't then
> we are probably sleeping:-)
>
> Please make this question the first of many on your learning journey. After
> a little while you will find that you are answering more questions than you
> are asking!!!
>
>
> Thanks
> Larry Hadrava
> CCIE #12203
> Check Out MyBlog: http://ccie12203.wordpress.com/
>
>
>
>
> ----- Original Message -----
> From: "Jonathan Smitthers" <jsmitthers2011_at_gmail.com>
> To: "Paul Borghese" <pborghese_at_gmail.com>
> Cc: ccielab_at_groupstudy.com
> Sent: Tuesday, May 3, 2011 7:06:13 PM GMT -05:00 US/Canada Eastern
> Subject: Re: Newbe question - Relevance of OSPF
>
> Thanks to everyone who replied to my humble question. I still have a lot to
> learn.
>
> Jonathan
>
>
>
> On Tue, May 3, 2011 at 6:14 PM, Paul Borghese <pborghese_at_gmail.com> wrote:
>
> > Jonathan,
> >
> > Welcome to the list.
> >
> > I believe you are referring to the OSPF process ID on a CE router. If the
> > OSPF process IDs are different your routes may be injected back into OSPF
> > (from the MPLS network) as external routes instead of inter-area routes.
> >
> > There is an ok writeup at:
> >
> > https://learningnetwork.cisco.com/docs/DOC-8648
> >
> > By the way when the author says "unique" he means "the same" ?!?!?!
> >
> > Take care,
> >
> > Paul Borghese
> >
> > P.S. Try to avoid the same Router ID ... bad things may happen :-).
> >
> >
> >
> > On Tue, May 3, 2011 at 10:40 AM, Jonathan Smitthers <
> > jsmitthers2011_at_gmail.com> wrote:
> >
> >> My first post to the list and I screw it up!!!
> >>
> >> Yes I wanted to asked about the process ID, not router ID. See what
> >> happens
> >> when I don't have my coffee.
> >>
> >> /facepalm
> >>
> >> Do the process IDs need to be the same on an MPLS link?
> >>
> >> Thanks for the replies,
> >>
> >> Jonathan
> >>
> >> On Tue, May 3, 2011 at 10:35 AM, Michael Kiefer <mjkiefer_at_gmail.com>
> >> wrote:
> >>
> >> > Jonathan,
> >> >
> >> > It's never acceptable to have duplicate router-ids. It leads to
> database
> >> > problems, flood wars, and other nastiness. Process ids on the hand are
> >> > always locally significant.
> >> >
> >> >
> >> >
> >> > On Tue, May 3, 2011 at 9:33 AM, Jonathan Smitthers <
> >> > jsmitthers2011_at_gmail.com> wrote:
> >> >
> >> >> Hi,
> >> >>
> >> >> I am a new member so please excuse the question if it is too easy or
> >> >> already
> >> >> been answered 100's of times.
> >> >>
> >> >> Normally the OSPF router id is only locally significant. But I seem
> to
> >> >> recall reading that the router ID's must match through an MPLS
> >> connection.
> >> >> Why? That makes no sense at all! Is the router ID transmitted
> >> through
> >> >> MPLS?
> >> >>
> >> >> I appreciate the help and look forward to studying with all of you.
> >> Today
> >> >> is day 1 of a long journey!
> >> >>
> >> >> Jonathan Smitthers
>
>
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*Narbik Kocharians
*CCSI#30832, CCIE# 12410 (R&S, SP, Security)
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