Re: OT: Loopback usages

Thanks Richard and Keegan !

Your point are valid, it has a little part played in almost every
protocol/technology/services.

Thinking of a router without loopback..will give the answer i guess..-:)

Best Regards,
Tharak Abraham Luke

On Wed, Aug 5, 2009 at 2:56 AM, <Keegan.Holley_at_sungard.com> wrote:

>
> I would say they are just there. They don't necessarily "do" anything.
> It's just a logical interface. It's there to help you "do" things, not to
> do things itself. You'll never list all of the uses for a loopback (in or
> out of the classroom). I think the best definition would be a simple one.
> Like "An interface that belongs to the router itself and not any particular
> network.". Then list the popular uses. Router-id's, nat's, tunnels,
> syslog, snmp...
>
> Have fun,
>
> Keegan
>
>
>
> From: "Abraham, Tharak" <tharakabraham_at_gmail.com>
> To: Cisco certification <ccielab_at_groupstudy.com> Date: 08/04/2009 04:24 PM
> Subject: OT: Loopback usages Sent by: nobody_at_groupstudy.com
> ------------------------------
>
>
>
> Hi All,
>
> While giving some short lectures on CCNA, my colleague asked me ..
>
> What are these loopbacks interfaces doing in Routers ?
>
> I tried my best...
> Stability for protocol functionality, BGP, OSPF blah blah..but it didnt
> make
> sense giving those examples..-:)
> Avoiding situations when/if physical interfaces go down...but then..
> Populating networks ..?
>
> I was not happy..:-(
>
> Is that all folks ?
>
>
> Best Regards,
> Tharak Abraham Luke
>
>
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Received on Wed Aug 05 2009 - 11:59:47 ART