Re: QS: FIB and RIB: what is the difference

Yes and he did not even include one of those signature lines to advertise
his products like those other filthy vendors. That Narbik, he's scandalous.
He's surely got some mal intentions. We need to keep an eye on that
Armenian. The nerve of him making the other good guys look like they are
only in it for the advertising. Some of them just seem to get paid to post
replies and congratulations even.

On Fri, Sep 25, 2009 at 5:25 PM, Ernest McCaleb <emccaleb_at_gmail.com> wrote:

> How dare Narbik offer you any assistance! What a bogus unprofessional and
> underhanded way to promote his workbooks! My God, next thing you know one
> of those guys from INE may chime in!!
> :-)
>
> Ernest #21508
>
> On Fri, Sep 25, 2009 at 5:14 PM, Salah ElShekeil
> <salah.elshekeil_at_gmail.com>wrote:
>
> > Hi Narbik,
> >
> >
> >
> > As usual great reply
> >
> >
> >
> > keep it up boss :)
> >
> >
> >
> > On Fri, Sep 25, 2009 at 10:01 PM, Tony Varriale
> > <tvarriale_at_flamboyaninc.com>wrote:
> >
> > > It's actually very revelant as the info he is quoting is from systems
> > > that's have the capability to download fib onto hardware/linecard.
> > >
> > > What you described is more of the foundation and is more accurate in a
> > > base sense.
> > >
> > > You can't download fib to hardware that doesn't exist.
> > >
> > > Sent from my iPhone
> > >
> > > On Sep 25, 2009, at 12:30 PM, Narbik Kocharians <narbikk_at_gmail.com>
> > > wrote:
> > >
> > > > When you look at RIB and FIB you have to think of the 2 major and
> > > > most important components of routing:
> > > >
> > > > Control Plane
> > > > Data Plane
> > > > The control plane takes care of the routing information exchange,
> > > > and in MPLS environment, label exchange between adjacent devices.
> > > > What do we have and see in the control plane? Routing protocols,
> > > > exchange of routing information, RIB (Routing Information Table) and
> > > > once again in an MPLS environment you will also see a Label Exchange
> > > > Protocol such as LDP.
> > > >
> > > > So therefore control plane builds a routing table or RIB based on
> > > > the routing protocols.
> > > > The control plane builds/populates 2 forwarding tables: a FIB (Which
> > > > is built from the information in the RIB) and in MPLS networks an
> > > > LFIB (Label Forwarding Information Base). These (FIB and LFIB) exist
> > > > and work in the Data plane.
> > > >
> > > > The data Plane is simply a forwarding engine that is independent of
> > > > the routing protocol or Label exchange protocol type; this Plane
> > > > forwards packets to the appropriate interface based on the info
> > > > found in the FIB or LFIB.
> > > >
> > > > So the way I envision it:
> > > >
> > > > You use a routing protocol to advertise routes upstreamb&b&and if
> > > > any of the upstream routers need to connect to the advertised networ
> > > > ks, they connect downstream toward the destination.
> > > >
> > > > Now this is a very brief and basic explanation of the RIB, FIB and
> > > > LFIB.
> > > >
> > > > Now weather they are hardware based or software based I think is
> > > > irrelevant when you look at different platforms.
> > > >
> > > >
> > > > On Fri, Sep 25, 2009 at 9:24 AM, Tony Varriale <
> > > tvarriale_at_flamboyaninc.com
> > > > > wrote:
> > > > That's making a poor assumption that the device you are speaking
> > > > about is
> > > > hardware based.
> > > >
> > > > More than half of people won't come in contact with those devices
> > > > (with the
> > > > exception of a 6500).
> > > >
> > > > tv
> > > >
> > > > -----Original Message-----
> > > > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> > > > Of
> > > > Anthony Sequeira
> > > > Sent: Friday, September 25, 2009 10:13 AM
> > > > To: Syed Khalid Ali
> > > > Cc: ccielab_at_groupstudy.com
> > > > Subject: Re: QS: FIB and RIB: what is the difference
> > > >
> > > > The Routing Information Base is the copy of the routing table stored
> > > > in software on the Cisco device.
> > > >
> > > > The Forwarding Information Base is the copy of the routing table
> > > > stored in hardware on the Cisco device.
> > > >
> > > > Thanks to Cisco Express Forwarding (CEF) and its use of the FIB,
> > > > performance for Cisco routers is much improved.
> > > >
> > > > Warmest Regards,
> > > >
> > > > Anthony J. Sequeira, CCIE #15626
> > > > http://www.INE.com <http://www.ine.com/> <http://www.ine.com/> <
> http://www.ine.com/>
> > > >
> > > > Test your Core Knowledge today!
> > > > Q: What protocol supports load-balancing with first-hop redundancy?
> > > > A: gateway load balancing protocol
> > > > More Info:
> > > >
> > >
> > >
> >
> http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_glbp.html
> > > >
> > > >
> > > > On Sep 25, 2009, at 10:47 AM, Syed Khalid Ali wrote:
> > > >
> > > > > dear group,
> > > > >
> > > > > I just started to prepare for R&S track. While going through the
> "ip
> > > > > packet
> > > > > debug command" these two terms just popped up.
> > > > > What is the difference between these two?
> > > > >
> > > > > Thanks
> > > > > Khalid
> > > > >
> > > > >
> > > > >
> > > > > _________________________________________________________________
> > > > > Show them the way! Add maps and directions to your party invites.
> > > > > http://www.microsoft.com/windows/windowslive/products/events.aspx
> > > > >
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> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Narbik Kocharians
> > > > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> > > > www.MicronicsTraining.com <http://www.micronicstraining.com/> <
> http://www.micronicstraining.com/> <
> > http://www.micronicstraining.com/>
> > > > Sr. Technical Instructor
> > >
> > >
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> > >
> >
> >
> > --
> > Salah
> > CCIE #24207
> >
> >
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>
>
> --
> Ernest McCaleb
>
>
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Received on Fri Sep 25 2009 - 17:57:27 ART