From: Shamin (ccie.xpert@gmail.com)
Date: Tue Apr 25 2006 - 12:55:20 GMT-3
Thanx Felice,
I do not have access to CCO.
But I will re-read Halabi again. But I understood the issue from Brians.
Regards
shamin
On 4/25/06, Felice Russell <felicear@sbcglobal.net> wrote:
>
> HI Shamin,
> If you have a CCO login, check this link
>
>
http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186
a0080093f25.shtml
> It has a link to the ebgp multihop command which will help.
> Also, for a better understanding of BGP read Halabi. He is the master...I
> have both the 1st and 2nd edition books and they cram ALOT of info on each
> page.
> Good luck,
> Felice
>
>
> *Shamin <ccie.xpert@gmail.com>* wrote:
>
> Hi,
>
>
> <----- R6(AS100) -------RIP------------ R3 ------------OSPF----------
> R2(AS200) ----------->
> |
> I
> |___________________EBGP_________________________|
>
>
> - I am referring to the IEWB VER3.0 , LAB4 ,Task 5.3 .
>
> In the above scenario, R6 and R2 are EBGP peers. But they are connected
> through R3 ,who is not running BGP.
> The lab reuirements states something about "configure to ensure full
> connectivity" . I am sorry I dont have the workbook in front of me now. I
> can enter the exact wordings later.
> I went through the solution guide, It says as follows:
>
> "In order to provide transit services,it is necessary that all devices in
> the transit path have specific (or atleast default path) reachability
> information about the prefix in question. In the above case R3 is used as
> a
> transit between As100 and AS200.
> However R3 is not running BGP, Therefore from perspective of As200 and
> AS100 ,full reachability is possible. However, when packets are send
> across
> the network and reach R3 , they are black holed (dropped) ."
>
> I really did not understand the above statements about this scenario. I
> hope
> someone can clarify this to me.
> Thanks for all your inputs.
>
> Regards
> shamin
>
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